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84075768 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

P/N: 84075768 Manufactured by: GM
Original price $348.00 - Original price $348.00
Original price
$348.00
$348.00 - $348.00
Current price $348.00
8 in Stock
Condition: New
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Description

The 84075768 is a genuine GM engine wiring harness junction block designed to connect and distribute electrical circuits between the engine harness, fuse system, and vehicle control modules. This component organizes multiple power and signal connections to support proper operation of engine electrical systems.

Vehicle Compatibility

Year Vehicle Engine Trims
2019 Chevrolet Silverado 1500 LD 5.3L V8 Flex, 5.3L V8 Gas Custom, LT, WT
2019 Chevrolet Silverado 2500 HD 6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2019 Chevrolet Silverado 3500 HD 6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2019 GMC Sierra 1500 Limited 5.3L V8 Flex, 5.3L V8 Gas Base, SLE
2019 GMC Sierra 2500 HD 6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT
2019 GMC Sierra 3500 HD 6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT
2018 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas Custom, High Country, LS, LT, LTZ, SSV, WT
2018 Chevrolet Silverado 2500 HD 6.0L V8 CNG, 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2018 Chevrolet Silverado 3500 HD 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2018 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas Base, Denali, SLE, SLT
2018 GMC Sierra 2500 HD 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT
2018 GMC Sierra 3500 HD 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT
2017 Chevrolet Silverado 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas Custom, High Country, LS, LT, LTZ, SSV, WT
2017 Chevrolet Silverado 2500 HD 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2017 Chevrolet Silverado 3500 HD 6.0L V8 Flex, 6.0L V8 Gas High Country, LT, LTZ, WT
2017 GMC Sierra 1500 4.3L V6 Flex, 5.3L V8 Electric/Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas Base, Denali, SLE, SLT
2017 GMC Sierra 2500 HD 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT
2017 GMC Sierra 3500 HD 6.0L V8 Flex, 6.0L V8 Gas Base, Denali, SLE, SLT


General Specifications

Condition New
Part Number 84075768
Brand GM
Part Type Engine Wiring Harness Junction Block
Years 2017–2019
Vehicle Chevrolet Silverado / GMC Sierra
Engine 4.3L V6, 5.3L V8, 6.0L V8, 6.2L V8
Dimensions 15.4 x 9.6 x 5.3 inches
Weight 3.70 lb
Fitment Type Direct Replacement


Product Features

The 84075768 engine wiring harness junction block is built to match factory electrical system performance and installation requirements:

  • Genuine GM engine wiring harness junction block
  • Central interface for engine harness electrical circuits
  • Distributes power and signal pathways between engine systems and fuse components
  • Designed to match the original GM wiring harness layout and mounting points
  • Supports proper routing of engine control and electrical supply circuits
  • Factory-style connectors provide correct electrical engagement

Application Notes

The 84075768 is designed for GM truck platforms that use this style junction block to manage electrical distribution between engine harness circuits and fuse systems. It installs in the original mounting location and connects to the factory harness connectors.

Always verify part number, engine configuration, and system type before installation.

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