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Picking the right Chevrolet Traverse fuel injector matters because injectors directly affect drivability, fuel economy, and engine responsiveness. If an injector delivers inconsistent spray, leaks, or poor atomization, you can notice rough idling, reduced power, or increased emissions. This guide covers seven shortlisted fuel injectors chosen for their suitability for the Traverse and highlights the practical factors that matter to owners. Below you will find the top picks and concise notes on why each one made the list, followed by guidance on what to check before you buy.
Looking for other parts? See all Chevrolet Traverse parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium Fuel Injector Set of 8 Compatible with Chevrolet Silverado 1500 (1999-2000) — Replace# 17113582 |  |
| Most Popular A crowd favorite that many people choose with confidence | NEWZQ Fuel Spider Injector Assembly with Bracket for Chevy (4.3L V6) |  |
| Best Quality Built to a higher standard if you want something more solid | Readair FJ1157 Fuel Injector 6-Pack |  |
| Best Budget The cheapest option that still gets the job done reliably | RIGAO Replacement Fuel Injectors (Set of 6) for Chevy Traverse 3.6L V6 |  |
| Most Sold A high-volume bestseller chosen again and again | GM Genuine Parts 55594509 Fuel Injector Assembly with Seals |  |
| Best Value for Money The sweet spot between price and what you get | GM Genuine Parts 55577403 Fuel Injector |  |
| Best Overall The best all-around choice for most situations | ACDelco Professional Throttle Body Fuel Injector 217-2280 |  |
1. A-Premium Fuel Injector Set of 8 Compatible with Chevrolet Silverado 1500 (1999-2000) — Replace# 17113582
| Compatible engines | Chevrolet Silverado 1500 1999-2000 V8 4.8L/5.3L; GMC Sierra 1500/2500 1999-2000 V8 |
|---|---|
| Hole quantity | 4 holes |
| Static flow | 95 ml/30s |
| Dynamic flow | 10.1 ml/30s |
These A-Premium fuel injectors are sold as an eight-piece kit intended as direct replacements for specific late 1999–2000 GM small-block V8 applications. They are typically used to replace leaking or clogged injectors to recover smooth idle, consistent fueling, and reasonable drivability. Notable features from the listing include preinstalled O-rings, a metal and composite plastic construction, a four-hole nozzle design for finer atomization, and stated static and dynamic flow figures. In practice the four-hole pattern and factory-style fit can help restore throttle response and economy compared with worn injectors, and the included O-rings simplify installation. Limitations are typical of aftermarket multi-packs: quality and long-term durability can vary, some users report intermittent check-engine lights or lean-running episodes, and fine calibration for peak efficiency may not match factory injectors. For a reliability-focused buyer this kit can be a cost-effective route to get an aging truck back on the road, but it is best paired with proper cleaning, testing, and tuning after installation.
Best for: A reliability-focused buyer who prioritizes restoring drivability on an older vehicle without paying dealer prices and is willing to follow up with basic testing and tune-up after installation.
Less Ideal for: Buyers seeking a guaranteed factory-identical long-term replacement or those who need a pre-calibrated high-precision injector for performance builds should consider OEM or matched-flow options instead.
- Sold as a complete set of eight for full-bank replacement or to keep spares on hand
- Preinstalled O-rings simplify installation and reduce the chance of fuel leaks
- Four-hole nozzle design promotes finer fuel atomization for improved combustion
- Includes factory-compatible terminal and pin configuration for direct fit
- Aftermarket quality can vary and some users report intermittent check-engine lights
- May not match factory injectors exactly in flow characteristics, affecting long-term calibration
Verdict A budget-friendly full-bank injector kit that can reliably restore fueling on supported 1999–2000 GM V8 trucks if paired with post-install testing and tuning.
2. NEWZQ Fuel Spider Injector Assembly with Bracket for Chevy (4.3L V6)
| Material | Stainless Steel Or Brass |
|---|---|
| Inlet Connection Type | Push-In |
| Inlet Connection Size | 0.25 Inches |
| Number of Ports | 2 |
This fuel spider injector assembly replaces the factory multiport spider on 4.3L V6 Chevrolet engines and is supplied with a mounting bracket for a straightforward swap. It is typically used when the factory spider is leaking, clogged, or has failed puppet valves that stop delivering fuel to all ports. The unit lists stainless steel or brass construction and standard push-in 0.25 inch fuel connections, which make it compatible with the factory fuel lines and allow a basic plug-and-play installation for mechanically inclined owners. Practical benefits include replacing multiple failing internal components at once and restoring smooth idle and drivability without needing to replace individual injectors. Limitations to expect are fitment sensitivity to the manifold cover and minor differences from factory parts that may require gasket or minor alignment changes during installation. Buyers should verify manifold clearance and OEM part numbers before ordering to avoid fit issues.
Best for: Convenience-driven owners seeking a single, ready-to-install replacement to get a 4.3L V6 Chevrolet back on the road quickly without diagnosing individual injectors.
Less Ideal for: Anyone who prefers exact factory-matched parts or needs to repair a single injector rather than replace the whole spider should consider alternative options.
- Direct replacement for the 4.3L V6 spider assembly designed to restore fuel delivery to multiple ports at once
- Includes mounting bracket for easier installation and alignment
- Push-in 0.25 inch connections match common factory fuel lines for straightforward hookup
- Stainless steel or brass components resist corrosion compared with cheaper alloys
- May not fit perfectly under the original manifold cover on every vehicle and can require minor adjustments or gasket changes
- Not a single-injector repair so it replaces the entire spider even if only one port is faulty
Verdict A practical, bracketed replacement spider assembly for convenience-focused Chevy 4.3L V6 owners who want a quick repair, but check manifold fitment before buying.
3. Readair FJ1157 Fuel Injector 6-Pack
| Brand | Readair |
|---|---|
| Model | FB-10024 |
| Manufacturer | Readair |
| Manufacturer Part Number | injectorFJ115_3 |
These Readair FJ1157 injectors are a direct-replacement six-pack intended for Chevrolet Traverse V6 engines and other GM models that use the FJ1157 family. They deliver fuel in a fine spray pattern for more complete vaporization and are built with improved sealing rings to reduce sticking and help reliable cold starts down to very low temperatures. Typical use is to replace clogged or leaking factory injectors to restore smooth idle, consistent throttle response, and proper fuel economy. The kit is supplied as six matched injectors so all cylinders receive similar flow, which matters when you are restoring performance on a V6. Practical benefits include straightforward installation when replacing the intake-mounted injectors and the potential to reduce misfires and emissions caused by fouled injectors. Limitations are that this is an aftermarket replacement so fit and connector details must be verified against your existing parts before installation, and professional flow testing or calibration may still be required for precision tuning on performance builds.
Best for: Performance-oriented owners seeking a factory-replacement style injector to restore or maintain smooth power delivery and throttle response on a Chevrolet Traverse V6.
Less Ideal for: Drivers who prefer dealer-sourced OEM parts or those unwilling to verify fitment and perform or pay for injector flow testing should consider other options.
- Sold as a matched six-pack for even cylinder fueling on V6 engines.
- Designed spray pattern aimed at efficient vaporization and smoother idle.
- Improved internal seals to reduce sticking and support cold starts.
- Direct-replacement fit for models using the FJ1157 injector family.
- Aftermarket unit that may require verification of electrical connector and installation details before fitting.
- May need bench flow/testing or calibration for exact flow matching in high-performance tuning.
Verdict A matched six-pack of aftermarket FJ1157 injectors aimed at restoring V6 performance on the Chevrolet Traverse, but confirm fitment and consider flow testing for precision results.
4. RIGAO Replacement Fuel Injectors (Set of 6) for Chevy Traverse 3.6L V6
| Fitment | Chevy Traverse 3.6L V6 2009-2011 |
|---|---|
| Manufacturer Part Number | 12638530 |
| Quantity | Set of 6 |
| Manufacturer | RIGAO |
These RIGAO replacement fuel injectors are a budget-oriented direct-replacement option for the 3.6L V6 Chevrolet Traverse (2009–2011). Sold as a complete set of six, they install into the factory fuel rail and are intended to restore spray pattern and fuel delivery when original injectors wear or clog. The listing notes machined exterior components, included O-rings, and a multi-hole nozzle design aimed at good atomization for smoother idle and improved fuel economy. In practice this type of kit is useful for owners doing a full-bank replacement to eliminate misfires or rough running without the cost of dealer units. Expect a straightforward swap if you have basic mechanical skills, proper tools, and follow torque and electrical connector precautions. These are aftermarket parts so fit and long-term durability can vary compared with factory-quality components, and you should verify electrical connector and part-number compatibility before installation. For a budget repair they offer a complete set and reasonable functional claims, but they are not a guaranteed lifetime solution for high-mileage or performance-focused engines.
Best for: Budget-conscious owners focused on restoring smooth operation and stopping misfires on a 2009–2011 Chevrolet Traverse 3.6L V6 without paying for dealer or premium aftermarket injectors.
Less Ideal for: Drivers seeking a long-term performance upgrade or guaranteed OEM-level longevity should consider higher-end or factory-quality replacement injectors instead.
- Sold as a full set of six for complete bank replacement
- Includes O-rings for sealing and direct-fit installation intent
- Multi-hole nozzle and machined exterior aimed at improved fuel atomization
- Budget-friendly alternative to factory-quality injectors
- Aftermarket component so long-term durability and exact fit can be variable
- May require verification of electrical connector compatibility before installation
Verdict A complete, low-cost set that can quickly remedy misfires and rough running on a 2009–2011 Traverse but may not match OEM durability.
5. GM Genuine Parts 55594509 Fuel Injector Assembly with Seals
| Material | Metal Alloy |
|---|---|
| Outlet Connection Type | Compression |
| Number of Ports | 1 |
| Outlet Connection Size | 0.31 Inches |
| Specification Met | oe |
This GM Genuine Parts fuel injector is a direct-fit replacement intended to restore the fuel metering function in GM engines. It is an electromagnetic valve that atomizes fuel into the intake for combustion and is used when an original injector is leaking, clogged, or electrically failing. The part is manufactured to GM specifications for fit, form, and function and includes seals for installation, which simplifies swapping a worn injector with a factory-style unit. For routine engine repair it provides the expected durability and compatibility of a factory replacement and helps return idle quality and drivability to normal. Limitations are that you must confirm exact fitment for your Traverse engine variant and have the electrical connectors and fuel rail access to install it; professional installation or proper diagnostic testing is recommended to ensure the injector is the root cause of driveability issues.
Best for: Risk-averse buyers who prioritize factory-spec replacements and want a dependable, manufacturer-backed injector to maintain Chevrolet Traverse reliability and original performance.
Less Ideal for: Buyers looking for performance-upgrade injectors or universal aftermarket options should consider alternatives designed specifically for increased flow or modified engines.
- Factory-quality design built to GM specifications for fit and function
- Includes seals to simplify installation and reduce the need for additional parts
- Engineered to restore proper fuel atomization and improve idle and throttle response
- Requires verification of exact engine fitment and proper connectors before purchase
- Installation often requires moderate mechanical skill or professional service
Verdict A factory-quality, drop-in fuel injector for owners who want a reliable, GM-specified replacement to restore Traverse drivability.
6. GM Genuine Parts 55577403 Fuel Injector
| Material | Metal |
|---|---|
| Inlet Connection Type | Flange |
| Outlet Connection Type | Flange |
| Number of Ports | 2 |
| Manufacturer | ACDelco |
This GM Genuine Parts 55577403 fuel injector is a direct replacement injector built to the same fit and function standards recommended for GM vehicles. It meters and atomizes fuel under computer control, so it is used when replacing a worn or failed injector to restore smooth idle, fuel economy, and throttle response. The part is metal-bodied with flange inlet and outlet connections and two ports, which helps ensure a secure connection in the fuel rail and consistent spray characteristics. Buyers report it installs like the factory unit and brings engines back to normal operation when the original injector has leaked or clogged. One limitation is the need to confirm exact Traverse engine fitment before purchase since injectors are engine-specific, and a small number of customers reported receiving incorrect or used items from some sellers. Expect standard installation steps such as rail removal, seal replacement, and leak checks; professional installation is recommended if you are not comfortable working with the fuel system.
Best for: Practical owners who want a factory-replacement injector to restore reliability and drivability on a Chevrolet Traverse without overspending.
Less Ideal for: Drivers seeking universal or multi-vehicle aftermarket injectors or those who need custom high-performance tuning parts should look elsewhere.
- Factory-quality design meant to match original GM fit and function
- Metal construction and machined finish for durability and consistent sealing
- Flanged inlet and outlet for straightforward connection to the fuel rail
- Widely available replacement with many buyers reporting reliable real-world performance
- Must verify fitment for the specific Chevrolet Traverse engine variant before ordering
- A minority of purchasers reported packaging or fulfillment errors resulting in wrong or used parts
Verdict A practical, factory-spec replacement injector for Chevrolet Traverse owners who prioritize reliable, OEM-like repairs.
7. ACDelco Professional Throttle Body Fuel Injector 217-2280
| Material | Aluminum |
|---|---|
| Inlet Connection Type | Flare |
| Outlet Connection Type | Barb |
| Number of Ports | 2 |
| OEM Part Number | 19110532 |
This ACDelco Professional throttle-body fuel injector is a premium aftermarket replacement intended to restore proper fuel metering in vehicles that use this injector design. It installs into the throttle body where an electromagnetic valve opens to atomize fuel into the intake airstream under computer control. In service it provides consistent spray pattern and fitment aimed at matching factory function, making it useful when a Traverse has rough idle, poor fuel economy, or failed injector symptoms. Notable features include a machined aluminum body, two-port inlet/outlet setup, and standard flare and barb connections for fuel lines. The practical benefits are improved fuel atomization and dependable, factory-quality operation without major modification. Limitations are that fitment is specific to vehicles and engine variants that accept this part number, so confirm compatibility with the Chevrolet Traverse model and engine before buying, and some older or rare Traverse configurations may require a different injector or rebuilt assemblies.
Best for: Balanced all-round buyers who want a factory-quality replacement to restore normal operation without chasing the cheapest option, and who prioritize reliability and long-term drivability for their Chevrolet Traverse.
Less Ideal for: If you need an injector for a nonstandard or highly modified fuel system, or your Traverse requires a vehicle-specific assembled throttle body, consider a dedicated OEM assembly or a specialist part instead.
- Designed to meet factory-style fit, form, and function for compatible applications
- Machined aluminum body for durability and consistent performance
- Two-port design with standard inlet and outlet connections simplifies installation
- Professional aftermarket build intended to restore proper spray pattern and engine response
- Compatibility is part-number specific so it will not fit every Traverse engine or year
- Not a direct solution for throttle bodies or injectors that require a factory-specific assembly or unique connector
Verdict A factory-quality aftermarket injector that restores proper fuel atomization for compatible Chevrolet Traverse engines, provided you verify fitment before purchase.
Choosing the Right Chevrolet Traverse Fuel Injector: Key Factors to Consider
Flow Rate and Calibration
Flow rate determines how much fuel the injector delivers at given operating conditions. Accurate and consistent flow across all injectors is important to maintain balanced cylinder fueling, avoid lean or rich cylinders, and preserve smooth idle and even power delivery.
Calibration is also relevant because the engine control system expects injectors within a tolerable flow range. If you replace one injector with a unit of different flow, it can create imbalance unless the engine management is recalibrated or matched injector sets are used.
Spray Pattern and Atomization
The spray pattern affects how fuel mixes with incoming air and how evenly it reaches the combustion chamber. Good atomization creates a fine mist that burns more completely, improving throttle response and reducing unburned hydrocarbons.
Different nozzle designs can favor fuel distribution for particular intake geometries. Choosing an injector with the appropriate spray characteristics helps maintain efficiency and reduces the likelihood of misfires under light-load or transient conditions.
Fitment and Electrical Compatibility
Exact-fit mounting and matching electrical connectors minimize installation time and reduce the risk of wiring or sealing issues. Injector housings, O-ring sizes, and electrical pinouts must match the vehicle harness and fuel rail to ensure a reliable mechanical and electrical connection.
Failing to confirm compatibility can lead to fuel leaks, connector stress, or intermittent signals. When replacing multiple injectors, using matched parts that align with factory specifications simplifies troubleshooting and helps preserve emission control function.
Materials, Coating, and Resistance to Deposits
Fuel injectors are exposed to fuel additives, heat, and contaminants that can cause build-up on internal components. Corrosion-resistant materials and anti-fouling coatings help maintain nozzle orifice integrity and prevent flow degradation over time.
Choosing injectors with proven resistance to deposits reduces the need for frequent cleaning and helps retain original performance. Consider the expected fuel quality and whether the design facilitates periodic maintenance or cleaning if deposits become an issue.
Durability and Vibration Resistance
Injectors operate in a high-vibration, high-temperature environment. Robust internal components, secure electrical connections, and solid mounting features reduce the chances of premature failure from fatigue or loosening.
Durability affects long-term reliability and ownership cost. Look for designs tested to endure typical engine cycling and heat cycles so that performance stays consistent across years of service.
Serviceability and Documentation
Clear documentation, replacement part numbers, and accessible service guidance matter when you need to diagnose or replace injectors. Availability of repair kits, service O-rings, and wiring diagrams can simplify maintenance and reduce downtime.
Serviceability also covers whether the injector can be bench-tested or cleaned without specialized tools. Good documentation helps independent technicians and DIY owners confirm correct installation and troubleshoot issues efficiently.
FAQ
What are common symptoms of a failing fuel injector on a Chevrolet Traverse?
Common indicators often include rough idling, reduced engine power, hesitation during acceleration, or uneven running at low speeds. You may also notice an increase in fuel consumption or occasional misfires. Some symptoms overlap with ignition or vacuum issues, so diagnosis often requires targeted testing.
Can I clean a clogged fuel injector, and when is cleaning worthwhile?
Cleaning can restore spray pattern and flow for injectors with mild to moderate deposits. Professional ultrasonic cleaning or dedicated cleaning kits can help, and short-term improvement is common. However, if internal wear or corroded components exist, cleaning will not fully restore original performance and replacement may be more reliable.
How do mechanics test fuel injectors for proper operation?
Technicians commonly test injectors using flow benches to measure delivered fuel volume, and with electrical testers to check coil resistance and pulse response. On-vehicle diagnostics may include listening for injector clicks, checking fuel trim data, and using scan tools to command injectors while monitoring engine response. Multiple tests help separate electrical faults from hydraulic problems.
What causes fuel injector leaks and what are the symptoms?
Leaks often stem from damaged O-rings, poor seating at the fuel rail or intake manifold, or cracked housings. Symptoms include the smell of fuel, visible wetness around the injector area, poor start behavior, or a rich-running condition indicated by black smoke or strong fuel odor. Promptly addressing leaks is important for safety and emissions.
Is replacing a single injector usually enough, or should matched sets be used?
Replacing a single injector can resolve an isolated failure, but mismatched flow characteristics between new and older units can lead to imbalance. For consistent fueling and to minimize calibration needs, many technicians recommend replacing all injectors on the bank or the full set when multiple units show age-related wear.
Will upgraded injectors improve engine performance on a Chevrolet Traverse?
Upgraded injectors designed for higher flow can support power modifications that increase fuel demand, but they must be matched to the engine management strategy. Without proper tuning, larger injectors may cause drivability issues. For stock engines, gains are usually limited and upgrades should focus on maintaining correct atomization and fit.
How We Chose the Best Chevrolet Traverse Fuel Injector
We focused on criteria that directly affect performance and long-term reliability for Chevrolet Traverse fuel injectors. Key evaluation points included flow rate accuracy and consistency, which determine proper air-fuel mixture; nozzle spray pattern and atomization, which influence combustion efficiency; OEM or exact-fit mounting and electrical connector compatibility to simplify installation; materials and coating quality to resist deposits and corrosion; and durability under typical temperature and vibration conditions. We also looked at ease of maintenance, serviceability, and support documentation such as connector pinouts and installation notes. Units that required significant modification, non-standard adapters, or that lacked clear fitment information were excluded. We did not include injectors intended for other vehicle families or performance-only units that sacrifice drivability for peak power. The result is a set of injectors selected for correct fit, reliable operation, and realistic service life for the Traverse.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing Chevrolet Traverse fuel injectors, prioritize correct flow rate, spray pattern, and exact fitment to preserve drivability and emissions control. Durable materials and resistance to deposits reduce long-term maintenance and help maintain consistent performance. Balance your needs between repair versus full-set replacement, and factor in serviceability and testing options when planning maintenance. Focusing on these criteria will help you pick injectors that deliver reliable operation and predictable engine behavior.
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