Good to know for those doing builds, rebuilds and/or repairs.

Application
Type of Material
GM Part #/CAN


Coolant Temperature Sensor Threads
Sealant
12346004/10953480

Crankshaft Position Sensor Bolt/Stud Threads
Threadlock
12345382/10953489

Engine Block Coolant Drain Plug Threads
Sealant
12346004/10953480

Engine Block Oil Gallery Plug Threads
Sealant
12346004/10953480

Engine Front Cover Bolt Threads
Sealant
12346004/10953480

Intake Manifold Bolt Threads (Lower)
Threadlock
12345382/10953489

Intake Manifold Coolant Pipe
Sealant
12345493/10953488

Intake Manifold to Engine Block Mating Surface
Sealant
12346286/10953472

Oil Filter Bypass Hole Plug Threads
Sealant
12346004/10953480

Oil Pan Bolt Threads
Threadlock
12345382/10953489

Oil Pressure Switch Threads
Sealant
12346004/10953480

Valve Lifter and Camshaft Prelube
Lubricant
12345501/992704

Valve Rocker Arm Cover Bolt Threads
Threadlock
12345382/10953489

Valve Rocker Arm Bolt Threads
Threadlock
12345493/10953488

-Swash