GM Service Manual Online
For 1990-2009 cars only

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