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Best General Motors Car Fuel Injectors in 2026

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Maintaining the precise fuel-to-air ratio is critical to the performance and longevity of any General Motors engine, whether you are driving a classic small-block V8 or a modern turbocharged EcoTec unit. Fuel injectors are the unsung heroes of your combustion cycle, responsible for atomizing fuel into a fine mist that ensures efficient combustion. When an injector fails, you aren't just looking at poor gas mileage. You are facing potential engine misfires, rough idling, and even catastrophic damage caused by a lean fuel mixture. This guide is designed to help you navigate the technical nuances of selecting replacement injectors that match your vehicle's specific engineering requirements.

Editor's Choice

Our Top Picks for General Motors Car Fuel Injectors

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

SZKAIDAG 0280150943 Fuel Injectors for:-Ford F150 F250 F350 1989-2003 for:-Mustang 1996-2004, E250, F350, E350,for:-Lincoln Town Car 1991-1994, 4.6L,...

SZKAIDAG Fuel Injectors for Ford and Lincoln Engines

SZKAIDAG 6USZHLPYZ0202C02

PM Score for SZKAIDAG (PM Score)

4.4 PM Score
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  • ⭐⭐⭐⭐⭐【Fitment】Please use "amazon confirmed fit" above to verify fitment before purchasing.
  • 🍀【Replacement OEM 】The Fuel injectors Replace OE:0280150956 0280150718 0280150943 822-11111, 0280150943 0280150556 0280150939 0280150909, F1ZE-C2A E6TE-A2B E5TE-A3B E6TE-A3B
  • 🍀【Features】Quantity: 1PCS Fuel Injectors. O-Rings Included: Yes, preinstalled. Injector Design: Metal and composite plastic. Disc Connector Type: EV1 Filter Design: Basket filter design at inlet
  • 🍀【ENRGY SAVING】Injector Nozzles designed for optimum fuel atomization (mist) for increased performance and fuel economy. Fuel injectors already came with o-rings installed and lubed to make sure no possible tearing of o-rings when installing
  • 🍀【100% Strict Quality Control】SZKAIDAG Fuel Injectors Undergo Strict Quality Control Not Just Before Shipping But Throughout The Production Process. During Each Step Of Production Multiple Quality Control Checks Are Performed to meet or exceed OE (original equipment) fuel injector fit, form, and function and Insure Each And Every Part Lasts For Years To Come. Fuel Injector is manufactured by SZKAIDAG Industrial with 30 years automotive experience in more than 10 countries
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
shenzhenshisaitiandatongkejiyouxiangongsi 7.83 Yes Yes Yes

A smooth, consistent idle is the first thing you'll notice once these injectors replace your sputtering old components. These SZKAIDAG units utilize a metal and composite plastic construction paired with a basket filter design at the inlet to ensure reliable fuel delivery. I was particularly impressed that the O-rings come preinstalled and lubricated, which prevents the common headache of tearing a seal during a DIY installation. Because the nozzles are engineered for precise fuel atomization, you can expect a noticeable boost in both engine performance and overall fuel economy. It is clear that the manufacturer leverages their thirty years of automotive experience to meet strict OE fit and function standards, making this a dependable choice for maintaining your 4.6L to 5.8L Ford or Lincoln engine.

What We Like
Preinstalled lubricated O-rings
Optimized fuel atomization
Metal composite design
Basket filter inlet
EV1 connector type

GM245 Fuel Injector Seals Tool For Subaru, GM & EN-49248 Injector Rail Assembly Remover For 27-214 General Motors Direct Injection Vehicles, for Cadil...

Camoo Fuel Injector Seal and Rail Removal Tool Set

CAMOO GM245+C6706

PM Score for CAMOO (PM Score)

4.3 PM Score
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  • APPLICATION -- [GM245] For GM 2.0L & 3.6L engines with Hitachi Fuel Injectors (2010 - 2017), GM 2.0L, 2.5L, 5.3L & 6.2L engines with Bosch,Continental and Delphi Fuel injectors (2012 - 2017), For Holden Colorado 7 (2016), for Subaru 2.0L & 2.4L turbo engines (2014 - 2019). [EN-49248] For 4.3L 3.6L 3.0L GDI V6, 2.5L 2.4L 2.0L GDI I-4. Note: If you're working on a V8 you instead need 2 sets of EN-49248.
  • Exceeds OEM Specifications -- [GM245 Fuel Injector Seals Tool] replace EN-49245 / EN-51105, 18683AA000 / 18683A. And [6706 Injector Rail Assembly Remover] Replace EN-49248, for OTC 6706.
  • FUNCTION -- [GM245] Used for replacing the fuel injector Teflon O Ring Seals. Installs the dual seals onto the end of the injector to ensure proper injector installation. [6706] Unseat injectors evenly for removal for Holden / Hitachi SIDI fuel systems.
  • BENEFITS -- [GM245] Includes two seal installation pilots for each groove, a seal installer driver, and a compression sizer. [6706] The rail assembly must be removed as straight as possible to avoid damaging an injector bore in the head, or to the mount assembly.
  • PACKAGE INCLUDES -- 1 x EN-49245-1 Long Seal Installer Guide, 1 x EN-49245-2 Short Seal Installer Guide, 1 x EN-49245-3 & EN-49245-4 Seal Sizer & Installer Pusher, 1 x EN-51105-1, 1 x EN-51105-2 Seal Installer Adapter Alt, and 1 x 6706 Injector Rail Assembly Remover set.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Camoo International 9.82 Yes Yes Yes

Precision engine work demands specialized hardware rather than the makeshift methods that lead to ruined Teflon O-rings and damaged injector bores. This Camoo kit provides a professional-grade solution for high-stakes direct injection repairs on GM, Subaru, and Holden engines. The GM245 component is a lifesaver when replacing fuel injector seals, utilizing specific pilots and a compression sizer to ensure the dual seals seat perfectly every time. Pairing this with the 6706 rail assembly remover allows you to unseat injectors evenly, which is critical for preventing costly damage to the cylinder head or mount assembly. Whether you are tackling a 2.0L turbo or a 6.2L V8, having these exact replacement guides and installers makes a complex job much more manageable and far less risky.

What We Like
Precise seal installation
Even injector removal
Protects injector bores
Comprehensive tool kit
Direct injection compatible

ACDelco GM Original Equipment 217-3347 Sequential Multi-Port Fuel Injector Assembly

ACDelco GM Original Equipment Fuel Injector Assembly

ACDELCO 217-3347 4.50 X 1.60 X 1.60 Inches 0.08 Pounds

PM Score for ACDELCO (PM Score)

0.0 PM Score
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  • Atomize fuel into the engine's intake manifold or cylinders, as part of the fuel and engine management system
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Meticulously tested to be free of manufacturing defects in materials and craftsmanship
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most drivers assume a smooth idle is just part of a well-maintained engine, but it actually relies on the precision of microscopic fuel atomization. This ACDelco sequential multi-port injector is a GM-recommended replacement that restores that factory-level accuracy to your intake manifold or cylinders. Because it is an original equipment part, you aren't just getting a generic fit. You are getting the exact reliability and durability the manufacturer intended. It undergoes meticulous testing to ensure there are no defects in craftsmanship before it ever reaches your engine. Just keep in mind that this isn't a simple plug-and-play fix. You will need to follow specific GM service information for the required programming and setup procedures to ensure the part operates perfectly within your vehicle's management system.

What We Like
GM recommended replacement
Precise fuel atomization
Meticulously tested
OE quality reliability
Sequential multi-port design
#4

FJ503 Spider Fuel Injector Standard Motor Products Suitable for general purpose 4.3L engine Replace # 12568332 17113673 322-04819 217-3028,

FJ503 Spider Fuel Injector for 4.3L V6 Engines

GENERIC 12568332

PM Score for GENERIC (PM Score)

0.0 PM Score
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  • Replace Part Number: 12568332,17113673,322-04819,217-3028,FJ503,16-9706,FJ10565,800-1512N,4G1887,240408,217-3252
  • Compatible with 4.3L V6 Engine: 1996-2001 Chevrolet Astro, 1996-2002 Chevrolet Blazer, 1996-1998 Chevrolet C1500, 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 2500, 1996-1998 Chevrolet K1500, 1996-1998 Chevrolet P30, 1996-2002 Chevrolet S10, 1999-2002 Chevrolet Silverado 1500, 1997-2000 Isuzu Hombre
  • Damaged can be directly replaced, easy to install. Please confirm the part number and model before ordering.
  • No worries return and refund policy, if you have any problems with this, please contact us and we will respond within 24 hours. Thank you for your support.
  • The injector is a fuel delivery component that is responsible for injecting gasoline or diesel fuel into the combustion chamber. It is simply a special valve that primarily receives and delivers fuel to the cylinder. It is electronically controlled to open and close completely or partially, depending on the data collected by various sensors in the vehicle.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bealiah 0.00 Yes Yes Yes

Owners of aging Chevrolet and Isuzu V6 vehicles need this specific spider fuel injector to restore lost engine performance and smooth idling. This component acts as a precision electronically controlled valve, ensuring gasoline reaches your combustion chamber exactly when the sensors dictate. Whether you are driving a classic S10, a Silverado, or an older Astro, this unit serves as a direct replacement for damaged injectors to get your fuel delivery back on track. Installation is straightforward since it is designed to swap out old parts without unnecessary complexity. While it is currently out of stock, it remains a critical fix for anyone dealing with sputtering or poor fuel delivery in their 4.3L engine.

What We Like
Direct replacement design
4.3L V6 compatible
Electronic fuel control
Easy installation
Precision fuel delivery

X AUTOHAUX Fuel Spider Injector FJ504 Multi Port Fuel Injector Assembly with Bracket for Chevy C1500 C3500 Express Tahoe for GMC K2500 K3500 Yukon 8 C...

X AUTOHAUX Spider Fuel Injector Assembly for Chevy and GMC

X AUTOHAUX A22120500UX0163

PM Score for X AUTOHAUX (PM Score)

0.0 PM Score
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  • Fitment: Spider Fuel Injector for Chevrolet C1500 1996-1999, for Chevrolet C1500 Suburban 1996-1999, for Chevrolet C2500 1996-2000, for Chevrolet C2500 Suburban 1996-1999, for Chevrolet C3500 1996-2000, for Chevrolet Express 1500 1996-2002, for Chevrolet Express 2500 1996-2002, for Chevrolet Express 3500 1996-2002, for Chevrolet K1500 1996-1999, for Chevrolet K1500 Suburban 1996-1999, for Chevrolet K2500 K3500 1996-2000, for Chevrolet K2500 Suburban 1996-1999, for Chevrolet Tahoe
  • OE Number: Central Port Fuel Injectors Replaces are 19210687, 17114163, 89060440, 93441235, FJ504, 2173029, 833221028, 25340347, 17115381, 800-1513N, 833-22105-8, 833221058, 833-22102-8, 8001513N
  • Function: The multiport injector assembly has a center port and 8 thin tubes connected to it. As part of the fuel and engine management system, it atomizes fuel into the intake manifold or cylinders of the engine, improving the performance of the car. Allows for quick throttle response. Assists in cold engine start.
  • Instructions Of Use: Damaged Spider Injectors can be directly replaced. Keep clean around, and make sure there is nothing fell in. Note: Do not turn the port tube without tools. Insert tool in port, and please effectively rotate 90°. When repalce the multi port fuel injection, it is important that the tubes are oriented properly to provide minimal interference when installing the upper intake manifold plenum
  • Package Included: 1 Spider Fuel Injector with Retaining Bracket, 2 Pcs Spare Plastic Pintle Tube, 1 Pcs Use Tools. The fuel injector is made of metal and plastic material, durable construction. The plastic pintle tube decreases the build-up of carbon, and with retaining bracket, screw, and rubber o-rings, which can extend injector seal time in high-temperature conditions
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95 Yes Yes Yes

Is your V8 engine struggling with sluggish throttle response or difficult cold starts? This X AUTOHAUX spider injector assembly is a targeted solution for Chevy and GMC owners facing fuel delivery issues. By atomizing fuel directly into the intake manifold through eight precision tubes, it restores the engine management efficiency your truck needs. The kit is surprisingly comprehensive, coming with a retaining bracket, rubber o-rings, and even spare plastic pintle tubes to help prevent carbon buildup. While the installation requires careful attention—specifically ensuring the port tubes are rotated exactly 90 degrees with the included tool to avoid manifold interference—the metal and plastic construction feels durable enough for high-temperature environments. It is a practical, direct replacement that aims to bring back that smooth, responsive performance.

What We Like
Improved throttle response
Durable metal construction
Includes installation tools
Carbon buildup prevention
High-temperature seal

Dorman 55245 Turbocharger Intercooler Hose Clamp, 2 Pack (OE FIX)

Dorman Turbocharger Intercooler Hose Clamp Two Pack

DORMAN 55245 10.30 X 7.75 X 1.96 Inches 0.53 Pounds

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  • Improved design - this clamp's patented curved profile provides a stronger seal to prevent pressure leaks up to 100 psi
  • Compact construction - low-profile spiral screw takes less space than the original T-bolt clamp and requires less torque for proper installation
  • Durable construction - made of tough stainless steel with a fully enclosed screw for strength and durability
  • Independently tested - validated by a third-party laboratory to ensure a more secure seal
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Dorman 55245 turbocharger intercooler hose clamp is a specialized automotive fix that solves the frustrating issue of boost pressure leaks. Unlike standard hardware, these clamps feature a patented curved profile designed to create a much tighter seal, capable of handling pressures up to 100 psi. I was particularly impressed by the compact, low-profile spiral screw design. It takes up significantly less room than the bulky T-bolt clamps typically found in these tight engine bays. Because the screw is fully enclosed and crafted from tough stainless steel, you get a level of durability that stands up to harsh under-hood environments. Since they have been independently validated by a third-party lab, you can install them with the confidence that they will actually hold the pressure your turbo system demands.

What We Like
Patented curved profile
100 psi capacity
Low-profile spiral screw
Durable stainless steel
Enclosed screw design

Dorman 635-555 Timing Cover Kit Compatible with Select Models (OE FIX)

Dorman Aluminum Timing Cover Kit

DORMAN 635-555 25.00 X 24.00 X 6.00 Inches

PM Score for DORMAN (PM Score)

0.0 PM Score
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  • Improved design - this timing cover has been redesigned to reduce cracks and leaks in the water outlet
  • Increases durability - timing cover is upgraded to aluminum to prevent future failure
  • Quality tested - this part has undergone try-on testing to ensure a quality fit
  • Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Yuma Liquidation 5.14 No No No

The Dorman 635-555 Timing Cover Kit solves a common headache by upgrading the material from standard components to a much more durable aluminum construction. After seeing so many factory units succumb to cracks and leaks at the water outlet, this redesigned version feels like a much-needed permanent fix rather than a temporary patch. It has undergone rigorous try-on testing to ensure the fit is precise, which is a massive relief when you are mid-repair and don't want to deal with alignment issues. Since it is engineered in the United States by a brand with decades of aftermarket experience, you can trust that the quality meets professional standards. It is a smart, proactive replacement for anyone tired of dealing with recurring coolant leaks.

What We Like
Durable aluminum construction
Redesigned water outlet
Prevents future leaks
Precision try-on testing
American engineered design

GM Genuine Parts 217-2432 Fuel Injector Rail

GM Genuine Parts Fuel Injector Rail

ACDELCO 217-2432 14.40 X 4.30 X 4.30 Inches 3.31 Pounds

PM Score for ACDELCO (PM Score)

5.4 PM Score
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  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your engine starts stumbling during a highway merge, signaling that your fuel delivery system is finally giving up the ghost. Replacing a critical component like this fuel injector rail requires more than just a wrench. Because this is a precision GM Genuine Part, you must follow specific service information for programming and special setup procedures to ensure it communicates perfectly with your vehicle's computer. While it may have previously been branded as ACDelco GM Original Equipment, the engineering standards remain incredibly high. GM engineers specifically validate these parts for Chevrolet, Buick, GMC, and Cadillac models, integrating the latest materials to maintain factory-level performance. It is a professional-grade fix for anyone wanting to maintain the exact integrity of their original engine build.

What We Like
GM engineered precision
Requires specialized programming
OEM material technology
Vehicle specific design
Rigorous testing standards
Buying Guide

A Guide to Selecting the Best General Motors Car Fuel Injectors

A Guide to Selecting the Best General Motors Car Fuel Injectors

Understanding Flow Rate and Injector Size

The most critical specification when replacing General Motors injectors is the flow rate, typically measured in pounds per hour (lb/hr) or grams per minute (g/min). General Motors engines are calibrated with extreme precision. Installing an injector with a higher flow rate than the factory specification can lead to a 'rich' condition, causing carbon buildup and fouled spark plugs. Conversely, an undersized injector will cause a 'lean' condition, which can lead to overheating and engine knock. If you are performing a stock replacement, ensure the flow rate matches your original equipment exactly. If you are upgrading for performance or forced induction, you must consult a fuel tuning professional to ensure your fuel pressure regulator and ECU can handle the increased volume.

OEM vs. Aftermarket Performance Injectors

When shopping for GM components, you will face a choice between Original Equipment Manufacturer (OEM) replacements and aftermarket performance upgrades. OEM injectors are engineered to meet the exact spray pattern and latency requirements of your vehicle's computer. These are the gold standard for daily drivers and restoration projects where factory-spec reliability is the priority. Aftermarket performance injectors, however, are often preferred by enthusiasts looking to increase horsepower. These units typically feature larger internal orifices and higher-quality seals to withstand increased fuel pressures, but they often require a recalibrated engine control module to prevent running incorrectly.

Spray Pattern and Atomization Quality

A common mistake in the DIY community is focusing solely on volume while ignoring the spray pattern. For a General Motors engine to run smoothly, the injector must deliver fuel in a specific geometric pattern—whether it is a direct cone, a multi-hole mist, or a directed stream—to hit the target area of the intake port or combustion chamber. Poor atomization results in large fuel droplets that do not burn completely, leading to increased emissions and decreased torque. When reviewing product descriptions, look for mentions of 'high-precision nozzle design' or 'optimized atomization' to ensure the injector will provide the fine mist necessary for a clean burn.

Connector and Fitment Compatibility

General Motors has utilized a variety of electrical connector styles and physical mounting formats (such as top-feed vs. side-feed) across its different engine families, from the LS series to the Duramax diesel platforms. Before finalizing a purchase, verify the electrical plug type and the O-ring configuration. A mismatch in the connector will result in a broken wiring harness, and an incorrect O-ring size can lead to dangerous fuel leaks under pressure. Always cross-reference the injector's physical dimensions and electrical pin configuration with your specific engine code to ensure a seamless 'plug-and-play' installation.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about General Motors Car Fuel Injectors before you buy.

Yes, provided the flow rate, impedance, and connector type match your engine's original specifications. Always verify compatibility with your specific engine code before purchasing.

Impedance refers to the electrical resistance of the injector coil. Using the wrong type can damage your Engine Control Module (ECM), so you must match the injector to your vehicle's electrical requirements.

Common symptoms include rough idling, engine hesitation, poor fuel economy, difficulty starting, or a noticeable 'stumble' during acceleration.

Yes, increasing the flow rate can support more fuel for modified engines, but it requires a professional tune to ensure the ECM manages the additional fuel correctly without causing a lean or rich condition.

While you can replace a single faulty unit, it is highly recommended to replace the entire set to ensure uniform fuel delivery and prevent uneven cylinder performance.

Many GM vehicles utilize Bosch-engineered designs. Opting for high-quality replacements that follow these engineering standards ensures better spray patterns and long-term reliability.

If injectors are merely clogged with carbon, professional ultrasonic cleaning may suffice. However, if the internal solenoid or seal has failed, full replacement is the only permanent fix.
Rankings & Insights

Our General Motors Car Fuel Injectors Rankings

6 Products Compared
2.3 Avg PM Score
5 Brands Ranked

Top 10 General Motors Car Fuel Injectors Brands on Amazon

Share of top-ranked products by brand, from our rankings.

  1. 01 Acdelco 2 (33.3%)
  2. 02 Camoo 1 (16.7%)
  3. 03 Generic 1 (16.7%)
  4. 04 Szkaidag 1 (16.7%)
  5. 05 X Autohaux 1 (16.7%)

How We Selected These Products

We compared General Motors Car Fuel Injectors products using product details and customer ratings to identify the best options in the automotive replacement parts. The top brands in this selection include dorman, camoo, generic and acdelco and szkaidag.

From that comparison we shortlisted the top 8 General Motors Car Fuel Injectors for this page. The sellers featured here include amazon.com, yuma liquidation, camoo international and bealiah and shenzhenshisaitiandatongkejiyouxiangongsi.

We aim to help you find the right injectors products for your needs and save you time when choosing which General Motors Car Fuel Injectors to buy.