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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 Overall The best all-around choice for most situations | GM Genuine Parts 12634126 Fuel Injector Assembly |  |
| Best quality Built to a higher standard if you want something more solid | Readair FJ1157 Fuel Injector 6-Pack |  |
| Best Value The sweet spot between price and what you get | Dasbecan Fuel Injector Set (6) Compatible with 3.6L GM V6 (Replaces 12638530 / 12669384) |  |
| 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 |  |
| Highest Rated A top-rated pick with lots of positive feedback | GM Genuine Parts 12663380 Fuel Injector |  |
| Best Seller A high-volume bestseller chosen again and again | GM Genuine Parts 55594509 Fuel Injector Assembly with Seals |  |
1. GM Genuine Parts 12634126 Fuel Injector Assembly
| Exterior Finish | Machined |
|---|---|
| Inlet Connection Type | Barb |
| Outlet Connection Type | Barb |
| Valve Type | Needle Valve |
| Material Type | Metal |
This GM Genuine Parts fuel injector is a factory-quality replacement built to match original-fit performance for supported Chevrolet engines. It functions as an electro-magnetic valve that meters fuel into the intake, opening when the engine computer energizes the solenoid so the needle valve atomizes fuel into the airstream. Typical use is direct replacement during engine repair or routine injector service to restore smooth idle, throttle response, and fuel economy. Notable features include a machined metal finish, needle valve design, and barb inlet/outlet connections that match factory fuel lines. The practical benefit is straightforward compatibility with GM fuel systems and the expectation of OEM-level durability. Installation can be fiddly on some models because of tight access and retaining clips, and a few buyers reported inconsistent registration on certain units, so careful bench testing or professional installation is advisable. This part comes from a recognized GM/ACDelco supply chain and carries the manufacturer's specification for fit and function.
Best for: Balanced, all-round Chevrolet owners who prioritize a reliable, factory-quality replacement to restore engine smoothness and fuel delivery without chasing bargain aftermarket options.
Less Ideal for: Drivers who need a universal or performance-tuned injector for non-factory modifications or vehicles outside the specified Chevrolet fitment should look for purpose-built alternatives.
- Factory-quality design intended to match original fit and function
- Metal machined construction for durability
- Needle valve mechanism for precise fuel metering
- Barb inlet and outlet connections that match factory fuel lines
- Installation can be difficult in tight engine bays and may require special clips or tools
- Some buyers reported occasional units that did not register or needed additional calibration
Verdict: A direct-fit GM fuel injector built to factory standards for dependable restoration of fuel delivery and driveability.
2. 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.
3. Dasbecan Fuel Injector Set (6) Compatible with 3.6L GM V6 (Replaces 12638530 / 12669384)
| Brand | Dasbecan |
|---|---|
| Item model number | AP07MD |
| Exterior | Metal |
| Replaces part numbers | 12638530, 12669384, 217-3445 |
These six fuel injectors are marketed as direct-fit replacements for the 3.6L GM V6 family and are supplied as a full bank to swap all cylinders at once. Installation is typically done by a professional because injectors require correct sealing, electrical connection and calibration to avoid drivability issues. The injectors are metal-bodied and claim compatibility with several GM vehicles; selling points are full-bank replacement and low cost compared with factory parts. In real use they can restore fuel delivery when original injectors are clogged or leaking, but several customer reports cite sealing problems, stuck/noisy injectors and occasional leaks that caused misfires and extra shop time. If they fit and install correctly they offer a budget path to get an older Traverse running again, but expect careful inspection of seals and bench testing before final installation to avoid repeated disassembly.
Best for: Practical optimizers looking to repair a mid-2000s to early-2010s Chevrolet Traverse affordably by replacing all injectors at once rather than paying for individual factory units.
Less Ideal for: Drivers who need guaranteed factory-quality parts, worry-free warranty support, or who prefer to avoid any risk of additional shop hours from aftermarket fitment or reliability issues.
- Complete six-injector set for replacing an entire bank at once
- Metal construction intended for durability compared with cheap plastic substitutes
- Listed to replace specific GM part numbers for 3.6L V6 engines, simplifying fitment checks
- Mixed quality reports including sealing issues and some units failing to operate reliably
- May require professional installation and bench testing to ensure no leaks or sticking
- Not backed by a visible manufacturer warranty in the product details
Verdict: A low-cost full-bank replacement set that can revive fuel delivery on 3.6L GM V6 vehicles when inspected and installed carefully.
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 12663380 Fuel Injector
| Manufacturer | ACDelco |
|---|---|
| Brand | GM GENUINE PARTS |
| Model | Fuel Injector |
| Item model number | 12663380 |
This GM Genuine Parts 12663380 fuel injector is a factory-quality replacement designed to meter and atomize fuel for combustion and to match the fit and function of the original component on compatible GM vehicles. It is typically used as a one-for-one repair when an injector fails, causing rough idle, misfire, or a check engine light. Notable aspects include GM validation to original equipment standards, a machined exterior, and construction intended for the same service life as the original injector. In practice it installs like a factory unit and restores proper fuel delivery when the rest of the fuel system is sound. Limitations to be aware of are that the listing has mixed customer reports about units being take-offs rather than new and that additional small parts such as harness clips may not be included, so expect to reuse or source mounting hardware. For reliability-focused buyers wanting a factory-spec replacement for a Chevrolet Traverse, this injector provides a conservative, OEM-aligned repair option.
Best for: Reliability-focused owners seeking a factory-quality replacement for routine injector repair on a Chevrolet Traverse who prioritize matched fit and predictable service life.
Less Ideal for: Buyers wanting a performance upgrade, modified engine tuning, or a guaranteed brand-new sealed aftermarket injector should consider alternative performance or remanufactured options.
- Manufactured to GM original equipment specification for fit, form, and function
- Designed to restore proper fuel atomization and engine performance when replacing a failed injector
- Machined exterior construction consistent with factory-quality parts
- Backed by GM Genuine Parts / ACDelco branding with long OEM lineage
- Some customer reports indicate units may be take-offs or not consistently new
- Small mounting hardware such as harness clips may not be included with the injector
Verdict: A factory-spec GM fuel injector intended to restore reliable, OEM-level fuel delivery on compatible Chevrolet Traverse repairs.
6. 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.
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.
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.
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.
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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