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8973037511 Genuine GM Fuel Injection Control Module
8973037511 Genuine GM Fuel Injection Control Module
8973037511 Genuine GM Fuel Injection Control Module

8973037511 Genuine GM Fuel Injection Control Module

P/N: 8973037511 Manufactured by: GM
$1,589.00 - $1,589.00
$1,589.00
$1,589.00 - $1,589.00
$1,589.00
1 in Stock
Condition: New
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Product Overview

The 8973037511 is a genuine GM fuel injection control module designed for the specified 6.6L diesel Chevrolet, GMC, and Hummer applications. It controls injector timing and injection duration within the diesel fuel system.Β 

Vehicle Compatibility

Year Vehicle Engine Trims
2006 Hummer H1 6.6L Duramax LLY V8 turbo diesel Alpha Sport Utility 4-Door
2005 Chevrolet C4500 Kodiak 6.6L Duramax LLY V8 turbo diesel C4C042/C4C044: conventional 2-door cab & chassis; C4E042: crew cab & chassis; C4E044: conventional 2-door cab & chassis; C4U042; C4V042: cutaway cab & chassis
2005 Chevrolet C5500 Kodiak 6.6L Duramax LLY V8 turbo diesel C5C042/C5C044: conventional 2-door cab & chassis; C5E042: crew cab & chassis; C5E044: conventional 2-door or crew cab & chassis; C5U042: motorhome cutaway; C5V042: cutaway cab & chassis
2005 Chevrolet Silverado 2500 HD 6.6L Duramax LLY V8 turbo diesel, eighth VIN digit 2 Base/LS/WT: crew cab 4-door, extended cab 4-door, standard cab 2-door; LT: crew cab 4-door, extended cab 4-door
2005 Chevrolet Silverado 3500 6.6L Duramax LLY V8 turbo diesel, eighth VIN digit 2 Base/LS: cab & chassis 2-door or 4-door, crew cab 4-door, extended cab 4-door, standard cab 2-door; LT: crew cab 4-door, extended cab 4-door
2005 GMC C4500 Topkick 6.6L Duramax LLY V8 turbo diesel C4C042/C4C044: conventional 2-door cab & chassis; C4E042/C4E044: crew cab & chassis; C4U042; C4V042: cutaway cab & chassis
2005 GMC C5500 Topkick 6.6L Duramax LLY V8 turbo diesel C5C042/C5C044: conventional 2-door cab & chassis; C5E042/C5E044: crew cab & chassis; C5U042: motorhome cutaway; C5V042: cutaway cab & chassis
2005 GMC Sierra 2500 HD 6.6L Duramax LLY V8 turbo diesel, eighth VIN digit 2 Base/SLE/WT: crew cab 4-door, extended cab 4-door, standard cab 2-door; SLT: crew cab 4-door, extended cab 4-door
2005 GMC Sierra 3500 6.6L Duramax LLY V8 turbo diesel, eighth VIN digit 2 Base/SLE/WT: cab & chassis 2-door or 4-door, crew cab 4-door, extended cab 4-door, standard cab 2-door; SLT: crew cab 4-door, extended cab 4-door
2004 Chevrolet C4500 Kodiak 6.6L V8 turbo diesel C4C042: conventional 2-door or crew cab & chassis; C4E042: crew cab & chassis; C4U042: motorhome cutaway; C4V042: cutaway cab & chassis
2004 Chevrolet C5500 Kodiak 6.6L V8 turbo diesel C5C042: conventional 2-door cab & chassis; C5E042: crew cab & chassis; C5U042: motorhome cutaway; C5V042: cutaway cab & chassis
2004 Chevrolet Silverado 2500 HD 6.6L V8 turbo diesel Base/LS/WT: crew cab 4-door, extended cab 4-door, standard cab 2-door; LT: crew cab 4-door, extended cab 4-door
2004 Chevrolet Silverado 3500 6.6L V8 turbo diesel Base/LS/WT: cab & chassis 2-door or 4-door, crew cab 4-door, extended cab 4-door, standard cab 2-door; LT: crew cab 4-door, extended cab 4-door
2004 GMC C4500 Topkick 6.6L V8 turbo diesel C4C042: conventional 2-door cab & chassis; C4E042: crew cab & chassis; C4U042: motorhome cutaway; C4V042: cutaway cab & chassis
2004 GMC C5500 Topkick 6.6L V8 turbo diesel C5C042: conventional 2-door cab & chassis; C5E042: crew cab & chassis; C5U042: motorhome cutaway; C5V042: cutaway cab & chassis
2004 GMC Sierra 2500 HD 6.6L V8 turbo diesel Base/SLE/WT: crew cab 4-door, extended cab 4-door, standard cab 2-door; SLT: crew cab 4-door, extended cab 4-door
2004 GMC Sierra 3500 6.6L V8 turbo diesel Base/SLE/WT: cab & chassis 2-door or 4-door, crew cab 4-door, extended cab 4-door, standard cab 2-door; SLT: crew cab 4-door, extended cab 4-door

Product Features

The 8973037511 fuel injection control module is manufactured to GM factory specifications for electronic diesel injector control.

  • Determines injector firing timing to coordinate fuel delivery with the engine’s operating cycle.
  • Regulates injector pulse width to control how long each injector remains open during fuel delivery.
  • Supplies electrical drive signals needed to operate the diesel fuel injectors.
  • Communicates with the engine control unit to receive information used for coordinating injector operation.
  • Adjusts injector control according to ECU-supplied operating information, including engine speed, temperature, and throttle position.

Technical Specifications

Condition New
Part Number 8973037511
Brand GM
Part Type Fuel Injection Control Module
Years 2004–2006,
Fuel Type Diesel
Weight 8.20 lb


Installation Notes

The 8973037511 should be matched to the existing module identification and engine configuration before installation. Check the model year, VIN engine identifier, and electrical connections against the applicable vehicle entry.

Verify part number, engine code, VIN, and vehicle configuration before installation.