23285572 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

23285572 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L

Name: 23285572 Genuine GM Engine Wiring Harness Junction Block For Silverado Sierra 4.3L 5.3L 6.2L
Brand: GM
SKU: 23285572
Price: 348.00 USD
Availability: InStock

P/N: 23285572 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 23285572 is a genuine GM engine wiring harness junction block designed to manage electrical connections between the engine harness, fuse system, and vehicle control circuits. It serves as a central distribution point that routes power and signal circuits required for proper engine system 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	23285572
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 23285572 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 multiple engine wiring circuits
Distributes electrical power between engine systems, relays, and fuse circuits
Designed to follow the original GM harness layout and mounting position
Supports proper routing of engine control and power supply circuits
Factory-style connectors ensure correct electrical engagement

Application Notes

The 23285572 is designed for GM truck platforms that use this style engine harness junction block for electrical distribution between engine circuits and fuse systems. It installs in the original mounting location and connects to the factory wiring harness.

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