84008525 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

84008525 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

Name: 84008525 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L
Brand: GM
SKU: 84008525
Price: 348.00 USD
Availability: InStock

P/N: 84008525 Manufactured by: GM

$348.00 - $348.00

$348.00

$348.00 - $348.00

$348.00

8 in Stock

Condition: New

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Description

The 84008525 is a genuine GM engine wiring harness junction block designed to serve as the main connection point between the engine wiring harness, fuse circuits, and vehicle control systems. It organizes electrical routing and supports proper distribution of power and signal circuits throughout the engine electrical network.

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	84008525
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 84008525 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 harness electrical connections
Distributes power and signal circuits between engine systems and fuse components
Designed to follow the original GM wiring harness layout
Maintains proper routing of engine control and electrical supply circuits
Factory-style connectors ensure accurate electrical interface

Application Notes

The 84008525 is designed for GM truck platforms that use this style junction block to connect engine harness circuits with fuse and relay systems. It mounts in the factory location and connects directly to the original wiring harness connectors.

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