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