HomeIgnition > Secondary IgnitionDorman 904-109 Diesel Glow Plug Power Strap
Part #: 904-109

Dorman 904-109 Diesel Glow Plug Power Strap

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⚙️ 16 vehicles fit this part
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Select your vehicle to confirm fitment
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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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Reliable Diesel Glow Plug Power Strap for Chevrolet and GMC

The Dorman 904-109 Diesel Glow Plug Power Strap is designed specifically for heavy-duty diesel trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 3500. This replacement part ensures consistent electrical connectivity for your vehicle's glow plugs, supporting efficient cold starts and engine performance.

  • Length: 14 inches for optimal reach and fit
  • Width: 0.25 inches for precise electrical contact
  • Height: 2.17 inches to accommodate engine compartment space
  • Standard replacement grade for dependable durability
  • Package includes 2 glow plug power straps for dual installation

Durable Design and Specific Fitment for Heavy-Duty Trucks

The Dorman 904-109 power strap is engineered as a specific fit replacement part for select Chevrolet and GMC diesel models, including the Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500. Its dimensions—14 inches in length, 0.25 inches in width, and 2.17 inches in height—are tailored to fit the engine layout of these trucks, ensuring secure and reliable electrical connections to the glow plugs. This component is essential for maintaining the glow plug circuit integrity, which is critical for cold engine starts in diesel vehicles.

Common Applications and Problem Resolution

  • Restores power delivery to diesel glow plugs for improved cold start performance
  • Replaces worn or damaged glow plug power straps causing intermittent glow plug operation
  • Addresses electrical connection issues that can lead to extended engine cranking times
  • Prevents glow plug circuit failures that may trigger engine warning lights
  • Supports consistent engine starting in low-temperature conditions

Installation Notes and Tips

Installation of the Dorman 904-109 Diesel Glow Plug Power Strap requires basic mechanical skills and tools. Ensure the vehicle is turned off and cooled before beginning. Remove the old power strap carefully to avoid damaging surrounding components. Verify the new strap’s dimensions match the original part for proper fitment. Tighten all electrical connections securely to prevent voltage drops. It is recommended to inspect related glow plug components during installation for comprehensive maintenance.

Quality Assurance and Warranty Information

Dorman manufactures the 904-109 power strap to meet standard replacement quality, providing reliable performance for Chevrolet Silverado 2500 HD and GMC Sierra 3500 diesel trucks. This part undergoes quality checks to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties on replacement ignition components to cover manufacturing defects.

BrandDorman
Part Number904-109
Height2.17 in
Item GradeStandard Replacement
Length14
Package Contents2 Glow Plug Straps
Universal Or Specific FitSpecific
Width0.25

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ChevroletSilverado 2500 HD6.6LV8N/A
2004ChevroletSilverado 35006.6LV8N/A
2004GMCSierra 2500 HD6.6LV8N/A
2004GMCSierra 35006.6LV8N/A
2003ChevroletSilverado 2500 HD6.6LV8N/A
2003ChevroletSilverado 35006.6LV8N/A
2003GMCSierra 2500 HD6.6LV8N/A
2003GMCSierra 35006.6LV8N/A
2002ChevroletSilverado 2500 HD6.6LV8N/A
2002ChevroletSilverado 35006.6LV8N/A
2002GMCSierra 2500 HD6.6LV8N/A
2002GMCSierra 35006.6LV8N/A
2001ChevroletSilverado 2500 HD6.6LV8N/A
2001ChevroletSilverado 35006.6LV8N/A
2001GMCSierra 2500 HD6.6LV8N/A
2001GMCSierra 35006.6LV8N/A

* 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:

25101904-10997209343GPC101HTP120-11B1

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