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Replacing or upgrading a Nissan Pathfinder fuel injector can make a noticeable difference in how your vehicle runs, from smoother idling to more consistent fuel delivery under load. Choosing the right injector matters because fitment, flow rate, and spray pattern all affect engine performance and emissions. This guide shortlists the top options for the Nissan Pathfinder and explains the factors we considered, including flow consistency and spray characteristics. Read on to see which injectors meet our standards and why those technical details matter for daily driving.
Looking for other parts? See all Nissan Pathfinder parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | NECATUO Set of 6 Fuel Injectors (Replacement for 0280158007) |  |
| Most Popular A crowd favorite that many people choose with confidence | HiSport Fuel Injector 0280158007 Replacement (8-pack) |  |
| Best Quality Built to a higher standard if you want something more solid | ProXlex 6-Pack Fuel Injectors Compatible with Nissan Pathfinder 3.5L |  |
| Best Budget The cheapest option that still gets the job done reliably | GPMMWPG Fuel Injectors Set (16600-JK20A) — Set of 6 |  |
| Most Sold A high-volume bestseller chosen again and again | SONAKY Fuel Injector Kit for Nissan Pathfinder / Infiniti QX60 (3.5L) |  |
| Best Value for Money The sweet spot between price and what you get | BDFHYK Fuel Injector Set of 8 for Nissan 5.6L V8 |  |
| Best Overall The best all-around choice for most situations | A-Premium Fuel Injector Compatible with Nissan Pathfinder 4.0L / 5.6L |  |
1. NECATUO Set of 6 Fuel Injectors (Replacement for 0280158007)
| Manufacturer | NECATUO |
|---|---|
| Manufacturer Part Number | NEC-PYZ2-6P-FJ750 |
| OEM Part Number | 0280158007 FJ750 166007S000 166007S00A 1571082Z00 62640 842-12298 |
These NECATUO injectors are sold as a six-piece replacement set intended to match the referenced part numbers for Nissan Pathfinder applications. They function as direct-fit fuel injectors to address symptoms like rough idle, poor acceleration, or loss of power by restoring proper fuel atomization and delivery to each cylinder. The listing highlights corrosion-resistant composite construction and high-temperature Viton O-rings, which suggest durability against heat and fuel exposure. Installation is the typical dealer-or DIY procedure of removing the rail and swapping injectors one bank at a time; using them can bring back smooth idle and throttle response when original injectors are worn. The kit is offered with a one-year warranty and has user feedback reporting successful fitment and engine improvement. Important limitations are that compatibility must be confirmed for the specific Pathfinder engine and model year before purchase and that aftermarket injectors may not match long-term longevity of premium factory replacements under heavy duty use.
Best for: Practical, reliability-focused buyers who prioritize restoring factory-like drivability on a Nissan Pathfinder without paying for dealer parts and who prefer replacing all injectors at once to avoid staggered failures.
Less Ideal for: Owners seeking a long-term performance upgrade or motorsport-level injectors should consider higher-spec aftermarket or dealer replacements instead.
- Sold as a complete set of six to replace all injectors at once for balanced performance
- Constructed with corrosion-resistant composite material for improved durability
- High-temperature Viton O-rings to resist fuel and heat degradation
- Designed to match referenced factory part numbers for direct-fit installation
- Compatibility varies by engine year and trim so verification against the vehicle is required
- Aftermarket longevity under heavy use may be shorter than higher-end factory-quality injectors
Verdict A budget-minded six-injector replacement kit that restores fuel delivery and drivability for compatible Nissan Pathfinder engines, provided you confirm fitment first.
2. HiSport Fuel Injector 0280158007 Replacement (8-pack)
| Item model number | 0280158007 |
|---|---|
| Manufacturer Part Number | HSFI58007-8 |
| OEM Part Number | 0280158007 16600-7S000 16600-7S00A |
| Pack quantity | 8 PCS |
These HiSport injectors are sold as an 8-piece pack intended to replace factory units on Nissan V8 and V6 engines that use part number 0280158007 or OEM equivalents. In practice they are swapped into the fuel rail to restore proper spray and resolve rough idle, misfires, or fuel leaks caused by failing injectors. The listing emphasizes a metal-and-plastic construction, multiple test checks before shipment, and internal seals designed to resist fuel exposure for longer life. Buyers report straightforward installation and restored drivability when fitted as a matched set. However, user feedback is mixed on fueling calibration with some reports of richer running and negative long-term fuel trims when compared with factory injectors, so careful verification of fit and fuel trims after installation is recommended. For a convenience-focused buyer replacing all injectors at once, the pack approach simplifies sourcing, but those seeking exact OEM flow matching or tuning precision may want calibration or flow-testing support after installation.
Best for: Convenience-driven buyers who want a single, ready-to-install injector set to replace all injectors on a Nissan Pathfinder without sourcing individual pieces separately.
Less Ideal for: Those who prioritize exact OEM flow matching, dyno-verified injectors, or professional fuel calibration after installation should consider alternatives or plan for tuning.
- Sold as an 8-piece pack which simplifies replacing every injector on a V8 at once
- Constructed from metal and composite plastic with internal seals to resist fuel exposure
- 100% tested in the warehouse before shipment according to the product description
- Compatible with Nissan part number 0280158007 and listed OEM cross-references for Pathfinder fitment
- Several user reports indicate richer-than-stock fueling and negative long-term fuel trims after installation
- No factory calibration or measured flow data provided, so matching to OEM flow rates is not guaranteed
Verdict A convenient eight-pack replacement that simplifies injector swaps on the Nissan Pathfinder but may require fuel-trim checks or tuning to match factory fueling.
3. ProXlex 6-Pack Fuel Injectors Compatible with Nissan Pathfinder 3.5L
| Brand | ProXlex |
|---|---|
| Material | Metal |
| Inlet Connection Type | O-ring |
| Outlet Connection Type | O-ring |
| Number Of Pieces | 6 |
These ProXlex fuel injectors are sold as a complete six-piece set intended as direct replacements for the 3.5L Nissan Pathfinder (2016–2020) and equivalent Infiniti models. They mount using O-ring inlet and outlet connections and are machined metal units designed to match factory fit and flow characteristics. In typical use they replace worn or leaking injectors to restore consistent fuel spray, idle stability, throttle response, and fuel economy. The included six injectors make it convenient to service the whole bank at once and reduce variability between cylinders. Practical benefits include factory-style connections for an easier swap and a packaged set that avoids pairing old and new injectors. Limitations are that this is an aftermarket replacement rather than a branded dealer part and long-term durability beyond the first year warranty depends on installation and fuel quality. Buyers should also check for any required calibration or ECU procedures after installation.
Best for: Performance-oriented owners who prioritize restoring engine response and balanced cylinder fueling will appreciate a matched six-pack replacement to regain throttle sharpness and consistent performance.
Less Ideal for: Buyers seeking an OEM-branded dealer part or a long-term factory-certified warranty should consider dealer replacements instead.
- Six injectors sold together for consistent flow across the engine and one-step replacement
- Machined metal construction with O-ring inlet and outlet for factory-style sealing
- Direct-replacement fit designed specifically for 3.5L Nissan Pathfinder 2016–2020 applications
- Aftermarket unit with a one-year warranty so long-term reliability beyond warranty is not guaranteed
- May require professional installation or ECU checks to ensure proper calibration after replacement
Verdict A matched six-pack of aftermarket, machined metal injectors aimed at restoring factory-like fueling and throttle response on the 3.5L Nissan Pathfinder without buying dealer parts.
4. GPMMWPG Fuel Injectors Set (16600-JK20A) — Set of 6
| Brand | GPMMWPG |
|---|---|
| Model | 16600-JK20A |
| Quantity | Set of 6 |
| Vehicle fitment note | Compatible with Nissan Pathfinder and other Nissan/Infiniti 3.5L V6 models |
This six-piece injector set is a direct-fit replacement engineered to plug into the factory fuel rail on compatible Nissan 3.5L V6 engines. Intended for use when worn or leaking injectors cause rough idle, hesitation, or reduced fuel economy, the kit ships with pre-installed seals to simplify swap-out and reduce leak risk during installation. In practice these injectors restore smoother idle and improved throttle response on vehicles where fitment matches, and reviewers report straightforward installation and immediate drivability gains. The construction claims corrosion-resistant bodies and durable internals for many cycles, which is promising for long-term service, but long-term durability is not yet proven beyond early user reports. As a budget option the set offers strong value compared with dealer replacements, though buyers who need manufacturer-certified parts or extended proven longevity may prefer higher-cost branded injectors. Expect easy DIY replacement for mechanically comfortable owners and a cost-effective route to recover lost engine performance on compatible Nissan models.
Best for: Budget-conscious owners who prioritize restoring drivability and fuel economy on their Nissan 3.5L V6 without paying dealer prices, and who are comfortable performing or supervising a straightforward injector swap.
Less Ideal for: Buyers who require factory-certified parts, extended proven longevity, or professional warranty-backed service should consider OEM or premium aftermarket injectors instead.
- Direct OEM-style fit for compatible Nissan 3.5L V6 engines for simpler installation
- Pre-installed seals reduce chance of leaks and speed up replacement
- Notable improvement in idle smoothness and throttle response reported after install
- Long-term durability and service life are not yet well documented compared with OE-brand injectors
- Set covers only the specific 3.5L V6 injector reference numbers and is not universal across other engines
Verdict A cost-effective, direct-fit six-injector replacement that restores drivability on Nissan 3.5L V6 engines but lacks long-term proven longevity compared with premium OEM options.
5. SONAKY Fuel Injector Kit for Nissan Pathfinder / Infiniti QX60 (3.5L)
| Compatible Vehicles | Nissan Pathfinder 3.5L 2017-2020; Infiniti QX60 3.5L 2017-2019 |
|---|---|
| Replaces Part Number | 16600-6KA0A |
| Quantity | 6 fuel injectors |
| Brand | SONAKY |
This SONAKY fuel injector kit supplies six direct-replacement injectors intended for the 3.5L Nissan Pathfinder (2017–2020) and Infiniti QX60 (2017–2019). It replaces part number 16600-6KA0A and is sold as a complete set so you can swap all injectors at once during a service. The listing highlights factory-style fitment and says components are manufactured to stable performance standards for consistent fuel delivery under typical driving conditions. Installation is described as straightforward and suitable for a shop or experienced DIYer who can handle fuel-rail removal and injector electrical connections. Practical benefits include restoring idle smoothness and fuel metering when original injectors are worn, and replacing all six at once reduces mismatch issues. Limitations are that compatibility must be double-checked against the vehicle's part number before purchase and long-term durability claims rely on the generic manufacturer's process rather than a vehicle maker warranty. Expect the usual precautions around handling fuel system parts and professional tuning if you have any drivability concerns after replacement.
Best for: A risk-averse mainstream buyer looking to restore factory-like drivability by replacing all injectors at once rather than chasing individual units; suited to owners who prefer a straightforward repair approach and professional installation.
Less Ideal for: Not a good choice for buyers who need an injector with a manufacturer-backed warranty or for those seeking performance-tuned injectors with altered spray characteristics.
- Sold as a complete six-injector kit for full bank replacement to avoid flow imbalance
- Marketed as direct-fit for specified Nissan Pathfinder and Infiniti QX60 3.5L engines
- Promotes consistent fuel delivery and smoother idle when replacing worn injectors
- Manufacturer is a third-party brand so long-term reliability depends on their process rather than manufacturer-backed warranty
- Requires verification that the part number matches the vehicle before installation
Verdict A convenient six-piece direct-replacement injector kit for restoring stock fuel delivery on 3.5L Nissan Pathfinder and Infiniti QX60 engines, but verify the part number and accept third-party sourcing.
6. BDFHYK Fuel Injector Set of 8 for Nissan 5.6L V8
| Compatible engine | Nissan 5.6L V8 |
|---|---|
| Nozzle design | 12-hole |
| Injection angle | 20° |
| Quantity | Set of 8 |
These BDFHYK injectors are sold as an eight-piece replacement set intended for the 5.6L V8 used in certain Nissan applications. They use a 12-hole nozzle with a 20 degree spray angle to promote finer atomization and more even fuel distribution, which can reduce rough idle and improve combustion when compared with worn injectors. Construction notes emphasize alloy steel bodies and high-density fluororubber seals to resist high temperatures and reduce leakage risk. Expect them to be installed as direct factory-replacement parts under professional guidance and used to restore engine smoothness, lower engine vibration, and help limit carbon buildup when functioning properly. The main limitations are variable quality control and consistency across the set reported by some users, so you should bench-test or flow-match injectors before installation and be prepared to replace any faulty units individually. These are a budget-focused aftermarket option rather than a branded OEM unit, so long-term durability may differ from factory-quality injectors.
Best for: Practical optimizers who want an affordable way to restore engine smoothness and combustion efficiency on a Nissan 5.6L V8 without paying for dealer parts.
Less Ideal for: Drivers seeking guaranteed long-term OEM-level durability or those unwilling to bench-test and replace individual injectors should consider factory-quality replacements instead.
- Sold as a complete eight-injector kit to service the entire 5.6L V8 bank at once
- 12-hole nozzle and 20° spray angle promote finer atomization and more even fuel distribution
- Seals specified as high-density fluororubber for improved temperature resistance and leak protection
- Reported variability in unit reliability means some injectors may need replacement or testing before fitment
- Aftermarket construction may not match long-term durability of factory-quality injectors
Verdict A budget-friendly full-bank replacement that can restore smoothness and fuel atomization on Nissan 5.6L V8 engines but may require pre-install testing due to variable unit consistency.
7. A-Premium Fuel Injector Compatible with Nissan Pathfinder 4.0L / 5.6L
| Fuel Type | Gas/Flex |
|---|---|
| Inlet Connection Type | Male Threaded Connection |
| Outlet Connection Type | Male Threaded Connection |
| Terminal Type | Blade |
| Static flow | 148 ml/30s |
This A-Premium fuel injector is a direct-fit replacement for a range of Nissan V6 and V8 engines including Pathfinder 4.0L and 5.6L applications. It installs into the factory rail and uses male threaded inlet/outlet connections and standard blade terminals, so installation is straightforward for a DIY mechanic or shop technician familiar with injector replacement. The listing specifies static and dynamic flow measurements and says the nozzle is designed to improve fuel atomization, which can help restore smooth idling and engine response when an original injector is clogged or leaking. Practical benefits include wide vehicle fitment across Nissan platforms and an included one-year unlimited-mileage guarantee. Important limitations: some buyers reported fitment inconsistencies and differences from factory injectors that affected starting or required swaps, so careful verification of part numbers and test-fitting one injector before committing to a full set is prudent.
Best for: Balanced buyers who want a cost-effective, compatible replacement to restore drivability on a Nissan Pathfinder and value a practical mix of fitment and reassurance.
Less Ideal for: Someone seeking an exact factory-spec performance injector or a precision flow-matched upgrade for tuning should consider higher-end, vehicle-specific options instead.
- Designed to match factory fitment for many Nissan 4.0L and 5.6L engines
- Manufacturer-published static and dynamic flow values for better compatibility checks
- Uses standard male threaded fuel connections and blade terminals for straightforward installation
- Backed by a one-year unlimited-mileage guarantee from the maker
- Some units differ slightly from factory injector design which caused hard-starting for a small number of users
- Fitment accuracy varies by vehicle year and requires confirming reference/OEM part numbers before purchase
Verdict A practical, affordable replacement injector for Nissan Pathfinder engines that restores fuel delivery for most owners but requires careful part-number checks to avoid occasional fitment or flow differences.
Choosing the Right Nissan Pathfinder Fuel Injector: Key Factors to Consider
Flow Rate and Calibration
Flow rate determines how much fuel an injector delivers at a given pulse width and system pressure. Matching the injector flow to the engine's requirements is essential for maintaining the correct air-fuel ratio across operating conditions.
If flow rates vary between injectors, the engine control unit may not be able to compensate fully, which can lead to rough idling, elevated emissions, or poor fuel economy. For performance upgrades, precise calibration or tuning may be required to make the most of higher-flow injectors.
Spray Pattern and Atomization
The spray pattern affects how fuel mixes with incoming air in the intake tract and combustion chamber. Evenly atomized fuel and an appropriate spray angle promote complete combustion and reduce deposits.
Poor atomization or a mismatched spray pattern can cause uneven cylinder filling, misfires, or increased soot and carbon buildup over time. Choose injectors whose spray characteristics suit the Pathfinder's intake geometry for best results.
Electrical Compatibility and Connector Fit
Injector electrical connectors and impedance must match the vehicle's wiring harness and driver circuitry. Using an injector with the wrong connector type or electrical characteristics can lead to poor injector response or even damage to the engine control unit.
Confirming pin spacing, connector style, and resistance values helps avoid installation issues and ensures predictable fuel control behavior without requiring wiring adapters or ECU changes.
Durability and Material Quality
Materials used in the injector body, pintle, and seals determine resistance to fuel contaminants, heat, and mechanical wear. Robust materials help maintain tight tolerances and consistent flow over the injector's service life.
Higher-quality internal components and corrosion-resistant finishes reduce the likelihood of leaks, sticking pintles, and premature failure. Durability is particularly important if the vehicle sees extended idling, frequent short trips, or variable fuel qualities.
Resistance to Clogging and Ease of Maintenance
Some injector designs and internal filters are more tolerant of particulates and varnish buildup. An injector that resists clogging will sustain better atomization and flow for longer periods between services.
Consider how easy injectors are to access, remove, and clean during routine maintenance. Designs that allow cleaning without extensive disassembly can lower long-term ownership effort and help maintain consistent engine performance.
Fitment and Installation Simplicity
Physical dimensions, O-ring sizes, and mounting interface must align with the Nissan Pathfinder's fuel rail and intake manifold. Proper fitment avoids leaks and reduces installation time.
Choosing injectors that match factory mechanical specifications minimizes the need for adapters or machining. This lowers the risk of installation errors and helps ensure reliable sealing and alignment with the intake ports.
FAQ
What are common symptoms of a failing fuel injector on a Nissan Pathfinder?
Common signs often include rough idling, misfires under load, and reduced fuel economy. You may notice uneven acceleration, a check engine light related to cylinder misfires, or increased exhaust smell. These symptoms usually indicate inconsistent fuel delivery or partial blockage.
How can I test whether a fuel injector is working correctly?
Basic testing often starts with electrical checks for proper resistance and connector integrity, followed by listening for injector clicking with the engine running. More diagnostic methods include fuel pressure testing and flow testing with specialized equipment to compare volume and spray pattern. Professional diagnostic tools provide the most reliable results.
Is fuel injector cleaning effective for restoring performance?
Cleaning can help when injectors are partially clogged by deposits, restoring better atomization and flow in many cases. Results depend on the type and extent of contamination; severely damaged or worn injectors may not respond to cleaning. Periodic maintenance cleaning can help prolong injector life.
When should I consider replacing rather than cleaning an injector?
Replacement is usually appropriate if an injector has internal mechanical damage, persistent electrical faults, or flow measurements that are significantly out of specification after cleaning. Frequent failures or leaking injectors that compromise sealing also warrant replacement rather than repeat cleaning attempts.
Do fuel injector leak symptoms differ from other fuel system leaks?
Leak symptoms can include fuel odor, visible dampness around the injector or fuel rail, and poor engine performance due to altered fuel pressure. Unlike larger fuel line leaks, injector leaks are often localized near the intake port and may produce varied running conditions across cylinders.
Will upgrading injectors always improve performance?
Upgrading to higher-flow injectors can support increased power only when the rest of the engine and fueling system are matched to the change. Without proper tuning and complementary modifications, upgrades may cause poor drivability or lean/rich conditions. Effective upgrades usually require calibration and a systems-level approach.
How We Chose the Best Nissan Pathfinder Fuel Injector
We focused on technical fitment and functional performance specific to the Nissan Pathfinder, prioritizing parts that match factory connectors and mounting dimensions. Key evaluation criteria included flow rate accuracy, spray pattern uniformity, electrical connector compatibility, and durability under typical engine temperatures and fuel types. We also considered material quality of critical components, resistance to clogging, and ease of installation for common maintenance tasks. Excluded items included generic or universal injectors without clear Pathfinder-specific fitment data, components lacking measured flow specifications, and parts with unclear electrical pinouts. Our selection favors injectors with documented specifications and design details that align with the vehicle's fuel delivery requirements, while omitting options that require extensive modification or have insufficient performance data.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize matching injector flow and spray characteristics to the Nissan Pathfinder's engine requirements while ensuring electrical and mechanical compatibility. Balance durability and resistance to clogging against any performance goals to avoid frequent service. When choosing an injector, focus on documented specifications, proper fitment, and the likely maintenance needs for your driving pattern. That approach helps you pick an option that delivers reliable fuel delivery and consistent engine behavior over time.
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