L9H 6.2L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | L9H |
| Family | Generation IV |
| Years | 2009–2013 |
| Displacement | 6.2 L / 376 ci |
| Horsepower | 403 hp |
| Torque | 417 lb-ft |
| Bore × stroke | 4.065 × 3.622 in |
| Compression | 10.50:1 |
| Block | aluminum |
| AFM/DOD | No |
Aluminum, VVT, E85-capable*
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the L9H
Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.
| Vehicle | Years |
|---|---|
| Cadillac Escalade (L92 for MY 2007–2008, L9H for MY 2009, L94 for MY 2010–2013) | 2007–2013 |
| Chevrolet Silverado 1500 (as RPO code L9H) | 2009–2013 |
| GMC Sierra 1500 (as RPO code L9H) | 2009–2013 |
| GMC Sierra 1500 Denali | 2007–2013 |
| GMC Yukon Denali / Yukon XL Denali (same as Cadillac Escalade) | 2007–2013 |
| Hummer H2 | 2008–2009 |
Next steps
- Find a cam for the L9H
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Sources