Factory GM Fuel Injectors

55506244 - : High Pressure Diesel Fuel Injector Assembly for GM Image

High Pressure Diesel Fuel Injector Assembly

Silverado, sierra. 3.0l diesel. Atomizes fuel into the engine's intake manifold or cylinders, as part of the fuel and engine management...
$215.88
MSRP $394.30
Save $178.42
45.2% Off
12690533 - : Driver Side Fuel Injector Wiring Harness for GM Image

Driver Side Fuel Injector Wiring Harness

$45.94
MSRP $70.69
Save $24.75
35% Off
12690531 - : Driver Side Fuel Injector Wiring Harness for GM Image

Driver Side Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$104.70
MSRP $165.46
Save $60.76
36.7% Off
12621095 - : Driver Side Fuel Injector Wiring Harness for GM Image

Driver Side Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$163.33
MSRP $298.32
Save $134.99
45.3% Off
12707881 - : Passenger Side Fuel Injector Wiring Harness for GM Image

Passenger Side Fuel Injector Wiring Harness

6.6L gas, injector. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$39.64
MSRP $61.00
Save $21.36
35% Off
12664869 - : Driver Side Fuel Injector Wiring Harness for GM Image

Driver Side Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$124.48
MSRP $199.44
Save $74.96
37.6% Off
12642952 - : Driver Side Fuel Injector Wiring Harness for GM Image

Driver Side Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$94.04
MSRP $148.64
Save $54.60
36.7% Off
12621096 - : Passenger Side Fuel Injector Wiring Harness for GM Image

Passenger Side Fuel Injector Wiring Harness

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$102.63
MSRP $162.19
Save $59.56
36.7% Off
12669637 - : Direct Fuel Injector Hold Down Clamp for GM Image

Direct Fuel Injector Hold Down Clamp

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.32
MSRP $7.78
Save $2.46
31.6% Off
17113695 - : Passenger Side Multi-Port Fuel Injector Rail for GM Image

Passenger Side Multi-Port Fuel Injector Rail

All. Express, savana. 6.0l. Right. Express, savana. 4.8l. 5.3l. Hummer H2. SSR. This part requires programming and/or special setup...
$179.30
MSRP $327.45
Save $148.15
45.2% Off
55489645 - : Direct Fuel Injector Hold Down Clamp for GM Image

Direct Fuel Injector Hold Down Clamp

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$22.98
MSRP $38.30
Save $15.32
40% Off
89017372 - : Fuel Injector Retainer Kit with Clips for GM Image

Fuel Injector Retainer Kit with Clips

Kit Serivces Qty.8 Fuel Injectors. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$23.83
MSRP $41.80
Save $17.97
43% Off

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Why Fuel Injectors Are Critical For Performance

A properly functioning injector is responsible for delivering precise amounts of fuel to your engine, ensuring smooth performance and efficiency. When an injector clogs or fails, drivers notice reduced power, poor fuel economy, and sometimes misfires. Addressing these issues early prevents costly damage to related components.

What Causes Fuel Injectors to Fail?

Fuel injectors face heavy use, and over time, carbon deposits, dirt, or fuel impurities can block their nozzles. Electrical issues may also prevent them from opening or closing properly. Common symptoms include rough idling and inconsistent acceleration in vehicles like the GMC Acadia. Regular maintenance is key to ensuring injectors deliver the right spray pattern.

Signs You Need Replacement

  • Check engine light comes on.
  • Noticeable drop in miles per gallon.
  • Unusual engine vibration during idle.
  • Increased exhaust emissions.

How Do OEM Fuel Injectors Compare to Aftermarket Options?

Choosing genuine GM injectors guarantees compatibility, durability, and accurate fuel delivery. Aftermarket versions may fit loosely, causing leaks or inefficient combustion. OEM replacements also work seamlessly with other vital parts such as spark plugs, reducing long-term repair risks.

Steps for Better Engine Care

  1. Use high-quality fuel.
  2. Replace filters regularly.
  3. Schedule injector cleaning services.
  4. Choose OEM components for reliability.

Order genuine GM parts from Capitaland Motors GM Parts for exclusive discounts. Contact our team today to keep your vehicle performing at its best.