84075776 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

84075776 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

Name: 84075776 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L
Brand: GM
SKU: 84075776
Price: 348.00 USD
Availability: InStock

P/N: 84075776 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 84075776 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 functions as a central distribution point that routes power and signal circuits needed 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	84075776
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 84075776 engine wiring harness junction block is built to match factory electrical system performance and installation requirements:

Genuine GM engine wiring harness junction block
Central connection point for engine electrical circuits
Routes power and signal circuits between engine components and fuse systems
Designed to match the original GM wiring harness layout
Maintains correct routing for engine control and power supply circuits
Factory-style connectors ensure secure electrical engagement

Application Notes

The 84075776 is designed for GM truck platforms that use this style junction block to connect engine harness circuits with fuse and relay systems. It installs in the original mounting location and connects directly to the factory wiring harness connectors.

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