For 1990-2009 cars

Application | Type of Material | GM Part Number
--- | --- | ---
United States | Canada
Camshaft Covers at Split Lines | Sealant | 12378521 | 88901148
Camshaft Position Actuator Magnets | Sealant | 12378521 | 88901148
Camshaft Prelube | Lubricant | 12345501 | 992704
Crankshaft Prelube | Lubricant | 1052367 | 992869
Crankshaft Rear Oil Seal at Split Lines | Sealant | 12378521 | 88901148
Cylinder Head Core Hole Threaded Plug | Sealant | 12345382 | 10953489
Cylinder Head Expansion Plug | Sealant | 12345382 | 10953489
Cylinder Head Oil Gallery Threaded Plug | Sealant | 12345382 | 10953489
Engine Flywheel Bolt | Sealant | 12346004 | 10953480
Engine Front Cover at Split Lines | Sealant | 12378521 | 88901148
Engine Front Cover Bolt | Threadlock | 12345382 | 10953489
Fuel Injector Bores | Lubricant | 12345610 | 993193
Ignition Coil Spark Plug Boot | Lubricant | 12345579 | 1974984
Intake Air Temperature (IAT) Sensor 2 | Sealant | 12346004 | 10953480
Oxygen Sensor | Lubricant | 12377953 | N/A
Upper-to-Lower Crankcase | Sealant - 6 ML | 1052942 | 10953466
Upper-to-Lower Crankcase | Sealant - 50 ML | 1052943 | 10953491
Valve Lifter | Lubricant | 12345616 | 993182