Engine · 3.0L 6-cyl Turbo Diesel
300-RL03378A Engine interchange
300-RL03378A is a Redline engine interchange code that fits 7 vehicles from 2015–2022, option 3.0L 6-cyl Turbo Diesel.
INFERRED
Inferred: matched by vehicle specs. Likely right; confirm before you sell.
Fits
| Year | Make | Model | Option |
|---|---|---|---|
| 2015 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2016 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2017 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2018 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2021 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2022 | Ram | 1500 | 3.0L 6-cyl Turbo Diesel |
| 2019 | Ram | 1500 Classic | 3.0L 6-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 2026-10-13