Engine · 6.6L 8-cyl
300-RL00683A Engine interchange
300-RL00683A is a Redline engine interchange code that fits 7 vehicles from 2020–2024, option 6.6L 8-cyl.
INFERRED
Inferred: matched by vehicle specs. Likely right; confirm before you sell.
Fits
| Year | Make | Model | Option |
|---|---|---|---|
| 2020 | Chevrolet | Silverado 2500HD | 6.6L 8-cyl |
| 2021 | Chevrolet | Silverado 2500HD | 6.6L 8-cyl |
| 2022 | Chevrolet | Silverado 2500HD | 6.6L 8-cyl |
| 2023 | Chevrolet | Silverado 2500HD | 6.6L 8-cyl |
| 2024 | Chevrolet | Silverado 2500HD | 6.6L 8-cyl |
| 2024 | GMC | Sierra 2500HD | 6.6L 8-cyl Turbo Diesel |
| 2024 | GMC | Sierra 3500HD | 6.6L 8-cyl Turbo Diesel |
OEM numbers
How to verify
- Check the ID tag or engine code against the OEM numbers above.
- Decode the VIN to confirm year, model and powertrain.
- Compare the part physically: mounts, connectors and dimensions.
Information is a guide only. Verify fitment before sale. No warranty is given.
Last updated 2026-10-03