Choosing the right jeep cherokee fuel injectors is easier when the most important differences are clear before you compare individual models.
My first choice is Gledewen Fuel Injector 4 Holes 6pcs. Choosing replacement injectors can be surprisingly difficult because a Jeep Cherokee may use different injector designs across engine sizes and model years. The best jeep cherokee fuel injectors are not simply the ones with the most holes or the highest claimed performance; they must match the engine, connector, fuel rail, seals, and original part number.
My second choice is YZHIDIANF YZHIDIANF 4.0L Fuel Injectors. My alternative is YZHIDIANF 0280155710 4.0L Fuel Injectors for 1989-1998 Jeep Cherokee. It covers many of the same classic Jeep applications and adds a two-year warranty, making it appealing to buyers who place extra value on after-sales coverage and a direct-fit replacement approach.
In the rest of this guide, I compare the selected jeep cherokee fuel injectors options, explain the buying factors that matter, and cover practical setup, use, compatibility, maintenance, longevity, safety, troubleshooting, storage, and common mistakes when those topics are relevant.
5 Best Jeep Cherokee Fuel Injectors
I selected these products by comparing their stated vehicle coverage, replacement numbers, injector design, sealing details, warranty terms, and available customer-feedback evidence. Brand variety was also considered when a different option served a distinct Jeep generation or engine, rather than ranking every similar-looking set together.
| # | Image | Product | Price on Amazon |
|---|---|---|---|
| 1 |  |
Gledewen Fuel Injector 4 Holes 6pcs | Check Price |
| 2 |  |
YZHIDIANF YZHIDIANF 4.0L Fuel Injectors | Check Price |
| 3 |  |
SeyPon Set of 6 Upgraded 4 Holes Fuel Injectors | Check Price |
| 4 |  |
HiSport 0280158313 Fuel Injectors | Check Price |
| 5 |  |
A Plus Auto A Plus Auto Fuel Injector 6PCS 4.0L | Check Price |
Gledewen Fuel Injector 4 Holes 6pcs
Gledewen earns the top position because it combines broad classic-Jeep fitment with the most complete set of supporting details in this group. The six-piece set is listed for 1989-1998 Cherokee 4.0L, 1987-1992 Comanche 4.0L, 1993-1998 Grand Cherokee 4.0L, and 1991-1998 Wrangler 4.0L. That makes it a practical candidate for owners of several closely related AMC/Jeep inline-six applications, provided the original number and connector match.
The four-hole design is intended to improve fuel atomization and promote more balanced delivery among the cylinders. In everyday terms, a correct replacement may help address rough running, inconsistent throttle response, or poor fuel economy caused by aging, dirty, or leaking injectors. The listing also identifies replacement numbers 0280155703, 0280155710, 0280155700, and M02710X6, giving buyers several useful references for cross-checking.
Gledewen says the injectors undergo checks for leakage, blockage, atomization, injection angle, and nozzle uniformity at different speeds. Those claims cannot replace checking the application yourself, but they provide more useful quality context than a bare part number. Composite construction is intended to resist corrosion, while high-temperature Viton O-rings support sealing around a hot engine.
The 12-month replacement-or-refund warranty adds useful protection for a budget-conscious owner. This is best suited to a classic 4.0L Jeep that falls inside the listed years; it is not a universal choice for newer Cherokee engines or non-4.0L applications.
Pros
- Broad coverage for several 4.0L Jeep models from the late 1980s and 1990s
- Four-hole design and multiple OE-number references
- High-temperature Viton O-rings and stated leakage and atomization checks
- 12-month replacement-or-refund warranty
Cons
- Only intended for the listed older 4.0L applications
- Fitment still needs to be confirmed by year, engine, connector, and original number
My Opinion
This is the strongest all-around pick for a classic Jeep 4.0L owner who wants broad application coverage and helpful replacement references without moving to a more specialized product. I would place exact fitment ahead of the four-hole design, but the warranty and stated quality checks make Gledewen the most balanced choice here.
YZHIDIANF YZHIDIANF 4.0L Fuel Injectors
YZHIDIANF is a close alternative to the Gledewen set because it targets much of the same classic Jeep territory. The listed applications include the 1989-1998 Cherokee 4.0L, 1993-1998 Grand Cherokee 4.0L, 1991-1998 Wrangler 4.0L, and 1987-1992 Comanche 4.0L. It also references 0280155710, 0280155700, M02710X6, and 0280155703, which helps buyers compare the replacement against the number on the old injector or service paperwork.
The supplier describes the injector as a direct-fit OE-specification replacement that changes liquid fuel into a mist for delivery into the cylinder. That explanation matters for beginners because an injector is not just an on-and-off valve; its spray pattern and delivery consistency affect how evenly each cylinder receives fuel. A matching set may therefore be more useful than replacing one questionable injector with a mismatched design.
Composite construction is promoted as a way to reduce corrosion risk, and the high-temperature rubber rings are intended to maintain a seal in the engine bay. The stated goal is smoother operation, better mixture control, and reduced maintenance risk. Those are reasonable benefits to look for in a replacement, but they depend on correct fuel pressure, electrical control, ignition condition, and a clean fuel system.
Its biggest distinction is the two-year warranty, which is longer than the 12-month coverage supplied with the top-ranked option. The trade-off is that the available customer-feedback sample is smaller, so there is less public evidence to weigh. This set suits a buyer who has verified the 0280155710 family and values longer stated warranty coverage.
Pros
- Fits several widely owned Jeep 4.0L applications from 1987 through 1998
- Lists four useful replacement-number references
- High-temperature sealing rings and corrosion-resistant composite construction
- Two-year warranty provides added ownership coverage
Cons
- Smaller available customer-feedback sample than the top-ranked set
- Not intended for 1999-and-newer 4.0L applications listed for other products
My Opinion
YZHIDIANF is a sensible second choice for an older Cherokee, Wrangler, Comanche, or Grand Cherokee when the part-number match is clear. I would choose it over Gledewen mainly when the two-year warranty matters more than the broader evidence and slightly more established customer-feedback volume.
SeyPon Set of 6 Upgraded 4 Holes Fuel Injectors
SeyPon fills an important gap in this list by covering later 4.0L Jeep applications rather than concentrating on the earlier injector family. It is listed for the 1999-2004 Cherokee 4.0L, 1999-2001 Wrangler 4.0L, and 1999-2004 Grand Cherokee 4.0L. It also covers selected Dodge Ram and Ram Van applications, although Jeep owners should focus first on their own vehicle’s exact application and part number.
The supplied replacement references are 0280155784, 280155784, 4667938, RL669938AB, FJ570, and FJ454. This broader number list can be helpful when an owner is working from a repair manual, an original injector label, or a parts-store lookup. SeyPon specifically tells shoppers to use Amazon’s vehicle-fit tool before ordering, a worthwhile step because the transition between model years can create confusing visual similarities.
Its four-hole layout is presented as a way to control the amount of fuel more accurately and support improved economy Even spray distribution can be useful when all six injectors are replaced as a matched set especially if the old units have different wear levels Still upgraded should.
The supplier emphasizes strict manufacturing quality control and offers customer support with a stated response target of eight hours. It also recommends cleaning at intervals of roughly 40,000 to 60,000 kilometers under good operating and fuel conditions. That maintenance guidance is general rather than a substitute for diagnosing a fault, but it reinforces the value of keeping contamination out of the system.
Pros
- Targets important 1999-2004 Jeep 4.0L applications
- Four-hole design and several cross-reference numbers
- Six injectors support replacing the complete engine set together
- Supplier provides fitment guidance and stated customer support
Cons
- Does not cover the older 1987-1998 applications listed above
- “Upgraded” does not by itself prove more power or universal compatibility
- Buyers must pay close attention to the Amazon fitment confirmation
My Opinion
SeyPon is the most relevant choice here for a 1999-2004 Jeep 4.0L owner who wants a complete six-injector replacement. Its ranking reflects excellent generation-specific relevance, but it should not be selected for an earlier Jeep merely because both engines are labeled 4.0L.
HiSport 0280158313 Fuel Injectors
HiSport is the specialist option for a very different Cherokee application: the 2014-2017 Jeep Cherokee with the 3.2L V6. That distinction makes this product valuable for the right owner and completely unsuitable for someone shopping for a classic 4.0L inline-six. The stated OE references are 0280158313 and 4627794AA, so both the engine size and one of those numbers should be confirmed before purchase.
The package is described as an eight-piece injector set with four-hole injectors metal and plastic construction and O-rings Even if a vehicle does not need all eight pieces for its engine the listing language should prompt a careful check of the actual package contents and the intended service arrangement The most important.
HiSport presents the injectors as a direct-install replacement designed to distribute fuel evenly for smooth operation and efficiency. That can make sense for a Cherokee suffering from a confirmed injector problem, but it should not be used as a shortcut for diagnosing an ignition coil, vacuum leak, wiring fault, fuel-pressure issue, or mechanical problem. A new injector cannot correct a fault elsewhere in the engine.
The listing strongly recommends comparing the pictures and details and using Amazon’s part finder. That warning is especially important because later Cherokee parts can look similar while differing in electrical and physical fitment. This product ranks fourth only because its application is narrow, not because the supplied details are weak.
Pros
- Specific coverage for the 2014-2017 Cherokee 3.2L V6
- Clear OE references: 0280158313 and 4627794AA
- Four-hole design and included O-rings are intended to support even delivery and sealing
- Direct-install format may simplify replacement when fitment is confirmed
Cons
- Not compatible with the older 4.0L Cherokee applications in this guide
- Package and engine-cylinder requirements should be clarified before ordering
- Fitment depends heavily on matching the physical details and part number
My Opinion
HiSport deserves consideration when the vehicle is specifically a 2014-2017 Cherokee 3.2L V6 and the OE number matches. It is not a broad Jeep injector choice, but its focused application can be an advantage when a buyer verifies every fitment detail before checkout.
A Plus Auto A Plus Auto Fuel Injector 6PCS 4.0L
A Plus Auto provides another option for older Jeep 4.0L inline-six vehicles. Its listed coverage includes the 1989-1998 Cherokee, 1987-1992 Comanche, 1993-1998 Grand Cherokee, and selected 1991-1998 Wrangler years. The supplied replacement numbers are 0280155710 and 280155703, so this set belongs with the earlier 4.0L group rather than the later 1999-2004 application covered by SeyPon.
The product identifies a four-hole nozzle, pre-installed O-rings, a male two-terminal blade connector, and an inlet basket filter. These details are useful because they address several installation concerns at once: the injector should have the correct electrical connection, the included rings may reduce the need to source seals separately, and the inlet filter is intended to help screen contamination before fuel reaches the injector body.
A Plus Auto also supplies traffic figures and says the injectors are checked for leakage blockage atomization injection angle and nozzle uniformity at different speeds The presence of these stated specifications gives a more technical buyer something to compare but the blank coil-resistance field means the published information is not completely filled out Anyone diagnosing an electrical issue.
The company promotes smoother operation, improved response, and fuel efficiency through precision four-hole atomization. It also offers a one-year, unlimited-mile warranty, which may appeal to owners who drive frequently. The set ranks fifth because its public customer-feedback sample is smaller and its listed application details are slightly less broad than the highest-ranked alternatives, although it remains a credible match when the numbers and connector agree.
Pros
- Fits several older Jeep 4.0L inline-six applications
- Pre-installed O-rings and inlet basket filters are convenient
- Four-hole nozzle and stated atomization and leakage checks
- One-year, unlimited-mile warranty
Cons
- Published coil-resistance specification is incomplete
- Smaller available customer-feedback sample
- Fitment must be separated from the later 1999-2004 4.0L generation
My Opinion
A Plus Auto is a useful fallback for an older 4.0L Jeep when its two listed replacement numbers, connector style, and model-year coverage line up. The pre-installed seals and inlet filters are practical touches, but I would still place Gledewen or YZHIDIANF ahead of it for a broader, more thoroughly supported buying decision.
How I Selected These Jeep Cherokee Fuel Injectors
The selection focused first on application accuracy, because a fuel injector is a precision component rather than a universal accessory. I compared the listed Jeep model years, engine sizes, cylinder layouts, OE or replacement numbers, connector information, seal details, and whether the set was intended to replace all injectors in a typical engine.
I also considered the usefulness of the manufacturer information. Statements about nozzle holes, atomization, corrosion resistance, filters, O-rings, and simulated checks were treated as decision details, not as proof that every vehicle will gain power or economy. Warranty length and support information received weight because injector problems often become apparent only after installation and heat cycling.
Customer-feedback volume was another factor, but not the only factor. A product with many ratings may still be wrong for a particular engine, while a newer listing may be the proper match for a later Cherokee. That is why the 3.2L V6 product remains in the comparison even though it serves a much narrower audience.
Fitment and the original injector number matter more than a “performance” label or the number of spray holes.
The rankings are therefore practical rather than laboratory-based. They do not represent hands-on installation or independent flow-bench results. Instead, they organize the supplied fitment, design, warranty, and customer-feedback evidence so a buyer can make a more informed part-number comparison.
How to Choose Jeep Cherokee Fuel Injectors
Start with the vehicle identification details before comparing claims about economy or throttle response. The year, model, engine, injector connector, physical dimensions, and original part number should all agree. A visually similar injector can still have a different flow behavior, electrical specification, or body length.
- Match the engine: Separate a classic 4.0L inline-six from a 1999-2004 4.0L application and from the 2014-2017 3.2L V6.
- Check the original number: Compare the installed injector or service record with every replacement number supplied by the seller.
- Confirm the connector: Terminal style, pin arrangement, and connector position must match the vehicle harness.
- Inspect the seals: Verify that O-rings are included, undamaged, and intended for the fuel rail and manifold temperatures.
- Buy a complete matching set: Replacing all six injectors together can make delivery more consistent than mixing old and new units.
Engine and model-year compatibility
“Jeep Cherokee” covers multiple generations and engine configurations, so the name alone is not enough. The products in this comparison divide into three broad groups: older 4.0L Jeeps from the late 1980s through the 1990s, later 4.0L models from 1999 through 2004, and the 3.2L V6 Cherokee from 2014 through 2017.
Even within a shared engine family, a production change can alter the injector connector, spray arrangement, rail fitment, or control strategy. Use the Amazon fitment tool as a starting point, then compare it with the seller’s application list and the number on the original part. If those sources disagree, pause and confirm with a Jeep parts catalog or qualified parts supplier.
Replacement numbers and physical comparison
Replacement numbers are often the fastest way to narrow a choice, but they should not be used alone. Compare the injector’s overall length, upper and lower O-ring locations, connector orientation, nozzle tip, retaining features, and electrical terminal design with the old unit.
Photographs can expose obvious differences, yet a picture cannot confirm internal flow behavior. When possible, keep one original injector available during installation so you can compare the replacement before removing all of the old parts.
Four-hole designs and fuel economy claims
A four-hole nozzle can divide the spray into multiple streams and may support useful atomization when the injector is correctly matched to the engine. However, hole count does not automatically mean more horsepower, lower fuel consumption, or better drivability. Fuel pressure, pulse width, spray angle, engine condition, and calibration all influence the final result.
Think of a new injector as a way to restore proper delivery when the old component is worn, leaking, restricted, or electrically unreliable. If the existing injectors are already functioning correctly, a replacement set may not create a dramatic performance change.
Warranty and support
Warranty coverage is particularly useful when purchasing aftermarket fuel-system parts. Gledewen lists 12 months, YZHIDIANF lists two years, SeyPon provides stated after-sales support, and A Plus Auto lists a one-year unlimited-mile warranty. HiSport’s supplied product data does not provide a warranty term, so buyers should check the current listing before ordering.
Save the order information and document the part numbers before installation. If a problem occurs, clear photos of the injector, connector, seals, packaging, and vehicle fitment can make a support request easier to resolve.
How to Verify Fitment Before Ordering
A few minutes of verification can prevent an expensive and frustrating fuel-system job. Begin with the vehicle identification number, engine displacement, model year, and transmission if the parts catalog asks for it. Then compare that information with the complete seller application list.
- Record the exact model year and engine size.
- Locate the original injector number if it is visible.
- Compare the connector and terminal arrangement.
- Check the number of injectors required by the engine.
- Confirm whether the package includes the correct O-rings and retaining hardware.
- Save screenshots of the fitment information and warranty before purchase.
Do not assume that a 4.0L label makes every 4.0L injector interchangeable. The SeyPon set is aimed at later 4.0L Jeeps, while the Gledewen, YZHIDIANF, and A Plus Auto products list earlier 4.0L applications. The HiSport option is for a 3.2L V6 and belongs in a separate compatibility category.
What to Prepare for Installation
Replacing injectors exposes the fuel rail and fuel lines, so preparation matters. Work on a cool engine in a well-ventilated area away from cigarettes, heaters, sparks, and other ignition sources. Have approved containers and absorbent materials ready for the small amount of fuel that may escape.
Useful preparation usually includes clean rags, suitable hand tools, a small amount of clean engine oil for lubricating new O-rings, and a way to relieve fuel pressure according to the Jeep’s service procedure. Never use a damaged or dry O-ring simply because the original seal appears difficult to remove.
Clean the area around the rail before opening the system. Dirt that falls into an injector bore or fuel rail can create a new restriction and undermine the purpose of the replacement. Photograph hose routing and electrical connector placement before disassembly, especially if several components must be moved aside.
O-ring handling
O-rings should be clean, properly seated, and lightly lubricated with a fuel-system-safe lubricant or clean engine oil when the service instructions allow it. Do not twist, cut, pinch, or force an injector into place. A damaged seal can cause a fuel leak that may not be obvious until the rail is pressurized.
Because the supplied products use high-temperature or replacement O-rings, inspect them before installation even when they arrive pre-installed. Storage, shipping, or an accidental scrape can compromise a seal.
Safe First Start After Replacement
After the injectors are installed, reconnect every electrical plug and fuel connection before restoring pressure. Cycle the ignition as appropriate for the vehicle without immediately starting the engine, then inspect the rail, injector bases, and fuel connections for dampness or an active leak.
If the system remains dry, start the engine and let it idle while continuing to watch for leakage. A strong fuel smell, wetness, hard starting, misfire, or abnormal idle is a reason to shut the engine off and investigate rather than continue driving.
Do not assume that a check-engine light means the new injectors are defective. Scan for diagnostic codes and consider wiring, vacuum leaks, fuel pressure, ignition components, and installation errors. A code that was present before the repair may need to be cleared only after its cause has been addressed.
Never road-test a Jeep with a suspected fuel leak. Stop, depressurize the system safely, and correct the sealing or connection problem first.
How to Diagnose Symptoms Before Buying
Rough running and poor fuel economy can come from many causes. A restricted injector is one possibility, but worn spark plugs, ignition faults, vacuum leaks, low fuel pressure, sensor problems, and mechanical issues can create similar symptoms.
Signs that may point toward an injector problem
- A cylinder-specific misfire that follows the injector when components are swapped during proper diagnosis
- Uneven idle or hesitation combined with evidence of inconsistent fuel delivery
- Fuel odor or visible leakage around an injector seal
- An injector electrical code or open circuit confirmed with appropriate testing
- Hard starting associated with a suspected leaking injector
These signs are not proof by themselves. A professional scan tool, fuel-pressure test, electrical checks, and cylinder-specific diagnosis can prevent replacing an entire set when the real fault lies elsewhere.
Replacing all six injectors can make sense when the set is old and contamination or wear affects multiple cylinders. It may be unnecessary when one damaged connector or one failed seal is the actual problem. Use the vehicle’s service information to determine what testing should come first.
Maintenance and Long-Term Ownership
Fuel quality and contamination have a direct effect on injector life. Keep the fuel cap and filler area clean, replace the fuel filter when the vehicle’s maintenance schedule calls for it, and avoid allowing the tank to run nearly empty if doing so regularly increases the chance of drawing sediment into the system.
Injector-cleaning additives should not be treated as a cure for every drivability problem. They may be useful as part of normal fuel-system care when the product is appropriate for the vehicle, but they cannot repair a cracked body, failed coil, damaged connector, or badly worn seal.
SeyPon’s supplied guidance suggests cleaning around every 40,000 to 60,000 kilometers when the car is in good condition and fuel quality is good. That is a general interval, not a universal Jeep requirement. Follow the maintenance schedule and diagnostic evidence for the specific vehicle.
Keeping replacement injectors reliable
- Use clean tools and protect open fuel-rail parts from dust.
- Do not reuse visibly flattened, cut, or hardened O-rings.
- Keep electrical connectors dry and fully latched.
- Address fuel leaks immediately.
- Use the correct fuel filter and avoid contaminated fuel.
- Do not mix injectors with unknown flow behavior in the same set when consistency matters.
Common Mistakes When Replacing Jeep Injectors
Most avoidable problems come from incorrect identification or rushed installation rather than from the basic idea of replacing a worn injector. The following mistakes are worth avoiding before opening the fuel system.
- Shopping by vehicle name alone: Cherokee generations and engines use different injector families.
- Ignoring model-year transitions: A 1998 application may not match a 1999 application even when both use a 4.0L engine.
- Trusting hole count as proof: Four holes do not guarantee the correct flow rate or spray angle.
- Installing dry O-rings: Dry seals can tear or pinch during insertion.
- Skipping a leak check: Fuel leaks must be found before the Jeep is driven.
- Blaming injectors for every misfire: Ignition, vacuum, wiring, and mechanical problems can look similar.
- Mixing old and new parts without a reason: Uneven wear can leave the cylinders with inconsistent delivery.
When the part number, engine, connector, and physical dimensions do not all agree, do not force the injector to fit.
When Should Jeep Cherokee Injectors Be Replaced?
There is no single mileage number that guarantees replacement. Injector life depends on fuel quality, contamination, heat exposure, electrical condition, maintenance, and whether the vehicle has experienced a leaking seal or damaged fuel rail.
Replacement becomes more reasonable when testing confirms poor delivery, a stuck or leaking injector, an internal electrical failure, or multiple worn units in an aging set. If the Jeep is running normally and there is no diagnostic evidence of injector trouble, preventive replacement may offer little benefit.
For a high-mileage vehicle, replacing the full set can be attractive when labor access is difficult and several injectors show similar wear. For a newer or well-maintained vehicle, targeted diagnosis may avoid unnecessary expense. Keep the old components until the repair is confirmed in case a comparison or warranty claim becomes necessary.
FAQS About Jeep Cherokee Fuel Injectors
How many injectors does a Jeep Cherokee 4.0L need?
The inline-six 4.0L engine normally uses six fuel injectors, which is why the products aimed at those applications are commonly sold as six-piece sets. Confirm the engine configuration before ordering because a 3.2L V6 application belongs to a different injector family.
Are 1989-1998 and 1999-2004 Cherokee injectors interchangeable?
They should not be assumed interchangeable. The products in this comparison list different replacement numbers and application ranges for those periods. Match the original number, connector, dimensions, and vehicle fitment rather than relying only on the shared 4.0L displacement.
What does a four-hole fuel injector do?
A four-hole injector divides the fuel spray through multiple openings, which may support more even atomization when the injector is designed for the specific engine. The hole count alone does not establish compatibility, flow rate, or guaranteed horsepower gains.
Should all six Jeep Cherokee injectors be replaced at once?
Replacing all six can provide a consistent new set when the original injectors are old, contaminated, or showing similar wear. If diagnosis identifies only a damaged seal, connector, or single failed injector, a complete-set replacement may not be necessary.
Do new injectors improve fuel economy?
They may restore fuel economy that was reduced by leaking, restricted, or poorly metering old injectors. They are unlikely to create a major improvement when the original injectors already work correctly, and economy also depends on tire pressure, sensors, ignition condition, driving habits, and engine health.
Can a fuel injector cause a Jeep Cherokee misfire?
Yes. An injector that is electrically open, restricted, stuck, or leaking can contribute to a cylinder-specific misfire. Because ignition and mechanical faults can cause the same symptom, confirm the cause with appropriate diagnostic testing before purchasing parts.
How often should Jeep fuel injectors be cleaned?
Cleaning intervals vary with vehicle condition and fuel quality. One supplied product suggests approximately 40,000 to 60,000 kilometers under favorable conditions, but that is general guidance rather than a universal requirement. Follow the vehicle maintenance schedule and clean the system when diagnosis or service history supports it.
Final Thoughts
For most owners of a classic 4.0L Jeep, Gledewen Fuel Injector 4 Holes 6Pcs for 1987-1998 Jeep Wrangler Cherokee Grand Cherokee Comanche 4.0 is the best-balanced choice because of its broad fitment, multiple replacement numbers, stated sealing and quality details, and 12-month warranty. YZHIDIANF 0280155710 4.0L Fuel Injectors for 1989-1998 Jeep Cherokee is the strongest alternative for buyers who verify the same application and prefer its two-year warranty. The right jeep cherokee fuel injectors are ultimately the ones that match the exact engine, year, connector, and original part number.
For the final decision, my first two recommendations are Gledewen Fuel Injector 4 Holes 6pcs and YZHIDIANF YZHIDIANF 4.0L Fuel Injectors. They are the two options I would compare first based on the ranking and buying factors covered above.