LV3 4.3L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | LV3 |
| Family | Generation V |
| Years | 2014–2021 |
| Displacement | 4.3 L / 260 ci |
| Horsepower | 285–297 hp |
| Torque | 305–330 lb-ft |
| Bore × stroke | 3.921 × 3.622 in |
| Compression | 11.00:1 |
| AFM/DOD | Yes |
V6 (not a V8). Aluminum, VVT, AFM, DI, E85-capable
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the LV3
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 | 2014–2021 |
Next steps
- Find a cam for the LV3
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Sources