Part #: 904-127

Dorman 904-127 Fuel Injector Line

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16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500
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Overview of Dorman Fuel Injector Line 904-127

The Dorman 904-127 fuel injector line is engineered for reliable fuel delivery in heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500, this stainless steel fuel injector line ensures durability and precise fitment.

  • Constructed from corrosion-resistant stainless steel for long-lasting performance
  • 10-inch length with a 0.117-inch inside diameter and 0.313-inch outside diameter
  • Equipped with female metric fine fittings (M14-1.50) on both inlet and outlet ends
  • Rated for a maximum pressure of 40,000 psi to handle demanding fuel injection systems
  • Includes fuel injector return line and clips for secure installation

Detailed Product Features and Specifications

The Dorman 904-127 fuel injector line is crafted from stainless steel, providing excellent resistance to corrosion and wear, which is critical for maintaining fuel system integrity. Measuring 10 inches in length, it features a precise inside diameter of 0.117 inches and an outside diameter of 0.313 inches, ensuring optimal fuel flow. Both inlet and outlet fittings are female with metric fine threads sized M14-1.50, allowing for secure connections compatible with the fuel injection systems of Chevrolet and GMC heavy-duty trucks. The line is rated to withstand pressures up to 40,000 psi, making it suitable for high-pressure fuel injection applications. This product includes the fuel injector return line and necessary clips for proper mounting.

Compatible Vehicles and Applications

This fuel injector line is compatible with the following vehicles:

  • Chevrolet Sierra 2500 HD
  • Chevrolet Sierra 3500
  • Chevrolet Silverado 2500 HD
  • Chevrolet Silverado 3500
  • GMC Sierra 2500 HD
  • GMC Sierra 3500

It is designed to replace worn or damaged fuel injector lines in these models, ensuring consistent fuel delivery and engine performance.

Common Issues Addressed by This Fuel Injector Line

  • Fuel leaks caused by cracked or corroded injector lines
  • Reduced fuel pressure affecting engine performance
  • Fuel injector line damage from wear or impact
  • Corrosion-related failures in older fuel lines
  • Improper fitment leading to fuel system inefficiencies

Installation Notes and Tips

When installing the Dorman 904-127 fuel injector line, ensure the following:

  • Verify compatibility with your specific Chevrolet or GMC model and engine configuration
  • Use appropriate tools to avoid damaging the metric fine thread fittings (M14-1.50)
  • Inspect and clean connection points before installation to prevent leaks
  • Secure the line using the included clips to prevent vibration and movement
  • Check for fuel leaks after installation and before engine startup

Quality Assurance and Warranty Information

Dorman manufactures the 904-127 fuel injector line to meet or exceed OEM standards for fit, form, and function. The stainless steel construction ensures durability under high-pressure conditions typical of fuel injection systems in heavy-duty trucks. While specific warranty details may vary, Dorman products generally come with a limited warranty covering defects in material and workmanship. Refer to Dorman's official warranty policy for complete information.

BrandDorman
Part Number904-127
ColorSilver
Fitting Inlet GenderFemale
Fitting Inlet Thread SizeM14-1.50
Fitting Inlet Thread TypeMetric Fine
Fitting MaterialStainless Steel
Fitting Outlet GenderFemale
Fitting Outlet Thread SizeM14-1.50
Fitting Outlet Thread TypeMetric Fine
Gauge PortNo
Hose/Line Maximum Pressure (psi)40000
Inside Diameter0.117
Length10
MaterialStainless Steel
Outlet Quantity1
Outside Diameter0.313
Package ContentsFuel Injector Return Line and Clips
Wall Thickness (in)0.196 in

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ChevroletSilverado 2500 HD6.6LV8N/ACylinders 4 and 5
2004ChevroletSilverado 35006.6LV8N/ACylinders 4 and 5
2004GMCSierra 2500 HD6.6LV8N/ACylinders 4 and 5
2004GMCSierra 35006.6LV8N/ACylinders 4 and 5
2003ChevroletSilverado 2500 HD6.6LV8N/ACylinders 4 and 5
2003ChevroletSilverado 35006.6LV8N/ACylinders 4 and 5
2003GMCSierra 2500 HD6.6LV8N/ACylinders 4 and 5
2003GMCSierra 35006.6LV8N/ACylinders 4 and 5
2002ChevroletSilverado 2500 HD6.6LV8N/ACylinders 4 and 5
2002ChevroletSilverado 35006.6LV8N/ACylinders 4 and 5
2002GMCSierra 2500 HD6.6LV8N/ACylinders 4 and 5
2002GMCSierra 35006.6LV8N/ACylinders 4 and 5
2001ChevroletSilverado 2500 HD6.6LV8N/ACylinders 4 and 5
2001ChevroletSilverado 35006.6LV8N/ACylinders 4 and 5
2001GMCSierra 2500 HD6.6LV8N/ACylinders 4 and 5
2001GMCSierra 35006.6LV8N/ACylinders 4 and 5

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

700897188722DIL3SK902009

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.