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84071500 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

P/N: 84071500 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 84071500 is a genuine GM engine wiring harness junction block designed to organize electrical connections between the engine harness, fuse circuits, and vehicle control systems. It serves as a central distribution point that routes power and signal paths required for proper engine electrical operation.

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 84071500
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 84071500 engine wiring harness junction block is built to match factory electrical system performance and installation requirements:

  • Genuine GM engine wiring harness junction block
  • Central hub for engine electrical circuit connections
  • Distributes electrical power between engine components, relays, and fuse circuits
  • Designed to match the original GM harness routing and mounting layout
  • Supports correct routing of engine control and power supply circuits
  • Factory-style connectors ensure proper electrical engagement

Application Notes

The 84071500 is designed for GM truck platforms that use this style junction block to manage electrical connections between engine harness circuits and fuse systems. It installs in the factory mounting position and connects to the original wiring harness connectors.

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

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