OE Part Number:
12558178, BTR73450, 12617944, 12612350, 12630223
12633904, 12637683, 12585673, 12639249, 89060436
12551933, 12611384, 12558177, 12622033, MS2199
CB-663, E-937K, 2M4978, ms2199p
CB663p, C96008, BC409J, BB253J
Bolts: ES72220
Compatible with GM Chevy LS1 LS6 LQ4 LQ9 4.8L 5.3L 6.0L 1999-2010:
Silverado 1500 1999-2008
Silverado 2500 2002-2003
Silverado 2500 HD 2003-2009
Silverado 3500 2004
Silverado 3500 HD 2010
Suburban 2500 2003
Express 3500 2007
Sierra 1500 2001, 2005
Sierra 2500 2000, 2004
Sierra 2500 HD 2002, 2006-2007
Package Included:
1x Gen III Valley Cover Gasket 12558178
2x LS1/LS2/LS3 Header Gasket
1x LS Oil Pan Gasket
2x LS Water Pump Gasket
1x LS Front Cover Gasket
2x LS Valve Cover Gasket
1x LS Damper Seal
1x LS Rear Cover Gasket
1x Rear Main Seal
4x Water Crossover/Block Off Gaskets 12551933
1x Oil Filter Adapter Bypass Gasket 12611384
2x Knock Sensor Grommet 12558177
2x Multi-Layer Steel (MLS) Head Gaskets for LS9 engines
1x Bolt set
1x Piston Rings Set
1x Main & Connecting Rod Bearings