L84 5.3L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | L84 |
| Family | Generation V |
| Years | 2019-2026 |
| Displacement | 5.3 L / 325 ci |
| Horsepower | 355 hp |
| Torque | 383 lb-ft |
| Bore × stroke | 3.78 × 3.622 in |
| Compression | 11.00:1 |
| Block | aluminum |
| AFM/DOD | Yes |
Aluminum, VVT, DFM, DI, E85-capable
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the L84
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 | 2019–present |
| Chevrolet Suburban/GMC Yukon XL | 2021–present |
| Chevrolet Tahoe/GMC Yukon | 2021–present |
Next steps
- Find a cam for the L84
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Sources