L83 5.3L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | L83 |
| Family | Generation V |
| Years | 2014–2020 |
| Displacement | 5.3 L / 325 ci |
| Horsepower | 355–376 hp |
| Torque | 383–416 lb-ft |
| Bore × stroke | 3.78 × 3.622 in |
| Compression | 11.00:1 |
| Block | aluminum |
| AFM/DOD | Yes |
| VIN 8th digit | C |
Aluminum, VVT, AFM, DI, E85-capable
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the L83
Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.
| Vehicle | Years |
|---|---|
| Chevrolet Silverado/GMC Sierra 1500 | 2014–2019 |
| Chevrolet Suburban/GMC Yukon XL | 2015–2020 |
| Chevrolet Tahoe/GMC Yukon | 2015–2020 |
Next steps
- Find a cam for the L83
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Questions about the L83
Sources