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04.5-05 Silverado Sierra 2500HD 6.6L LLY Underhood Engine ECM Wiring Harness 518

Key Features:
  • Brand: Chevrolet, GM, GMC
See Full Specification

$699.99

Out of stock
SKU 2305518

Description

Engine wiring harness from a 2004 Chevrolet Silverado 2500HD LLY. This harness connects to the ECU and goes throughout the engine bay, to the fuse box, and to the transmission as well. This was removed from a running and driving truck. All wires and connectors are intact and undamaged. The conduit and tape throughout the harness is in good condition. This does NOT include the injection harness. The pictures are of the actual item you will receive.

Fits the following models with with 6.6L LLY engine (8th Digit of VIN# “2”), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1) ONLY:

  • 2004.5 Chevrolet Silverado 2500HD
  • 2005 Chevrolet Silverado 2500HD 
  • 2004.5 GMC Sierra 2500HD
  • 2005 GMC Sierra 2500HD

This will NOT fit any 2004 models with LB7 engine.

This does NOT include the injection harness.

Anywhere outside the lower 48 states will require an additional shipping fee. No P.O. Boxes.

Specification

Brand

ID

Stk #

Interchange Part Number

Item Compatibility List

Year Make Model Trim Engine Notes
2005 Chevrolet Silverado 2500 HD Base Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD Base Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD Base Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD LS Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD LS Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD LS Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD LT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD LT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD WT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD WT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 Chevrolet Silverado 2500 HD WT Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD Base Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD Base Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD Base Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD SLE Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD SLE Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD SLE Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD SLT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD SLT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD WT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD WT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2005 GMC Sierra 2500 HD WT Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD Base Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD Base Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD Base Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD LS Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD LS Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD LS Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD LT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD LT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD WT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD WT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 Chevrolet Silverado 2500 HD WT Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD Base Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD Base Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD Base Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD SLE Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD SLE Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD SLE Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD SLT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD SLT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD WT Crew Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD WT Extended Cab Pickup 4-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
2004 GMC Sierra 2500 HD WT Standard Cab Pickup 2-Door 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged with 6.6L LLY engine (8th Digit of VIN# "2"), automatic transmission (RPO M74), and electronic shift four-wheel drive (RPO NP1)
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