2019-2023 Chevy GMC Silverado Sierra Engine Fuse Block Genuine OEM
This Genuine OEM Engine Distribution Fuse Block is a direct factory replacement for the 2019–2023 Chevrolet Silverado 1500, Silverado 1500 LTD, Silverado 2500 HD, and Silverado 3500 HD, as well as the 2020–2023 GMC Sierra 2500 HD. This fuse block houses the engine compartment circuit breakers and fuses that protect critical electrical systems, restoring factory-correct electrical protection and distribution. Fitment notes: Without auxiliary battery; 5.3L without fuel management; 170 amp alternator; compatible with 4.3L, 5.3L, and 6.2L engines.
As a Genuine OEM part, this engine distribution fuse block is manufactured to the exact specifications of the original component installed at the factory. Compatible with all major trim levels including WT, Custom, Custom Trail Boss, LT, LT Trail Boss, LTZ, RST, SSV, High Country, ZR2, AT4, Denali, Pro, SLE, and SLT, and works with the 4.3L V6 Gas, 5.3L V8 Gas, 5.3L V8 Flex, 6.2L V8 Gas, 6.6L V8 Gas, 6.6L V8 Flex, and 6.6L V8 Diesel engines across all applicable model years.
Quick Part Facts
- Part Type: Engine Distribution Fuse Block / Circuit Breaker
- Notes: Without auxiliary battery; 5.3L without fuel management; 170 amp alternator
- Condition: Genuine OEM
- Compatible Engines: 4.3L V6 – Gas, 5.3L V8 – Gas, 5.3L V8 – Flex, 6.2L V8 – Gas, 6.6L V8 – Gas, 6.6L V8 – Flex, 6.6L V8 – Diesel
Fitment Chart
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 2022–2023 | Chevrolet | Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT, ZR2 | 5.3L V8 – Gas, 6.2L V8 – Gas |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT | 5.3L V8 – Flex, 5.3L V8 – Gas, 6.2L V8 – Gas |
| 2021–2023 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 – Diesel, 6.6L V8 – Flex, 6.6L V8 – Gas |
| 2021–2023 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 – Diesel, 6.6L V8 – Flex, 6.6L V8 – Gas |
| 2021–2023 | GMC | Sierra 2500 HD | AT4, Base (2021), Denali, Pro (2023), SLE, SLT | 6.6L V8 – Diesel, 6.6L V8 – Flex, 6.6L V8 – Gas |
| 2019–2021 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT | 4.3L V6 – Gas, 5.3L V8 – Flex, 5.3L V8 – Gas, 6.2L V8 – Gas |
| 2020 | Chevrolet | Silverado 2500 HD | Custom, High Country, LT, LTZ, WT | 6.6L V8 – Diesel, 6.6L V8 – Gas |
| 2020 | Chevrolet | Silverado 3500 HD | High Country, LT, LTZ, WT | 6.6L V8 – Diesel, 6.6L V8 – Gas |
| 2020 | GMC | Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 6.6L V8 – Diesel, 6.6L V8 – Gas |



