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Part record
Duramax LB7 Head Gasket Kit - Solid Seal, w/ Grade-C Head Gasket
aggregated
Aftermarket MPNNone PP-SS-LB7
Seller application: LB7 Duramax. Head-job kit: upper gaskets + Grade-C head gasket + injector seals + 220ksi head studs (pairs with the separate head-stud-kit record). Seller marks it California-excluded - platform configs are federal-emissions. The LB7 head-job kit with a Grade-C head gasket - matches the grade-coded OEM gasket family (12637785-90); the grade must still be verified against piston protrusion at teardown.
Where to buy
| Seller | Price | Checked |
|---|---|---|
| Dave's Auto Center | $789.00 | 2026-10-27 |
Dave's Auto Center's price, the same as in his store: we check it daily and the page follows a change within a day. No paid placement in the data layer.
What this record does and doesn't claim
Listed at Dave's Auto Center (checked 2026-09-29); fitment years per that listing.
Fits (16 configurations)
- 2001 Chevrolet Silverado 2500 HD
- 2001 Chevrolet Silverado 3500
- 2001 GMC Sierra 2500 HD
- 2001 GMC Sierra 3500
- 2002 Chevrolet Silverado 2500 HD
- 2002 Chevrolet Silverado 3500
- 2002 GMC Sierra 2500 HD
- 2002 GMC Sierra 3500
- 2003 Chevrolet Silverado 2500 HD
- 2003 Chevrolet Silverado 3500
- 2003 GMC Sierra 2500 HD
- 2003 GMC Sierra 3500
- 2004 Chevrolet Silverado 2500 HD
- 2004 Chevrolet Silverado 3500
- 2004 GMC Sierra 2500 HD
- 2004 GMC Sierra 3500