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2014-2019 Chevrolet Silverado GMC Sierra Body Wiring Junction Block OEM

$ 175.83
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100% Genuine OEM Factory original part
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Maintain the integrity of your 2014–2019 Chevrolet Silverado or GMC Sierra's electrical system with this Genuine OEM Body Wiring Harness Junction Block. Covering the full Silverado and Sierra lineup — including 1500, 2500 HD, and 3500 HD configurations — this junction block serves as the central connection point for the body wiring harness, ensuring factory-correct electrical routing and reliability.

This is a Genuine OEM GM part, engineered and tested to the exact specifications of your original equipment. The body wiring harness junction block consolidates and organizes the vehicle's electrical connections, maintaining proper signal integrity across all body electrical systems. Compatible with a wide range of engines including the 4.3L V6, 5.3L V8 (Flex, Gas, Electric/Gas), 6.0L V8 (Flex, Gas, CNG), 6.2L V8 Gas, and 6.6L V8 Diesel across WT, LS, LT, LTZ, High Country, SSV, Custom, Base, SLE, SLT, and Denali trims.

Quick Part Facts

  • Part Type: Body Wiring Harness Junction Block
  • Condition: New — Genuine OEM
  • Compatible Models: Chevrolet Silverado 1500, 1500 LD, 2500 HD, 3500 HD; GMC Sierra 1500, 1500 Limited, 2500 HD, 3500 HD
  • Compatible Engines: 4.3L V6 Flex; 5.3L V8 Flex/Gas/Electric-Gas; 6.0L V8 Flex/Gas/CNG; 6.2L V8 Gas; 6.6L V8 Diesel
  • Year Range: 2014–2019
  • OEM Manufacturer: GM

Fitment Chart

Year Range Make Model Trim Engine
2014–2015 Chevrolet Silverado 1500 High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2016–2018 Chevrolet Silverado 1500 Custom, High Country, LS, LT, LTZ, SSV, WT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2019 Chevrolet Silverado 1500 LD Custom, LT, WT 5.3L V8 - Flex, 5.3L V8 - Gas
2015–2019 Chevrolet Silverado 2500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2015–2016 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2017–2019 Chevrolet Silverado 3500 HD High Country, LT, LTZ, WT 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2014–2018 GMC Sierra 1500 Base, Denali, SLE, SLT 4.3L V6 - Flex, 5.3L V8 - Electric/Gas, 5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas
2019 GMC Sierra 1500 Limited Base, SLE 5.3L V8 - Flex, 5.3L V8 - Gas
2015–2019 GMC Sierra 2500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel
2015–2019 GMC Sierra 3500 HD Base, Denali, SLE, SLT 6.0L V8 - CNG, 6.0L V8 - Flex, 6.0L V8 - Gas, 6.6L V8 - Diesel

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