Product Description
The CUMMINS 3938156 OEM TIMING GEAR HOUSING GASKET is designed for 1989–2002 5.9L Cummins diesel engines. This genuine Cummins gasket provides a proper seal between the timing gear housing and engine block, helping prevent oil leaks and maintaining long-term engine reliability.
Use this gasket when removing or replacing the timing gear housing, front engine cover components, camshaft, crankshaft seals, or during engine rebuild work. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM timing gear housing gasket
- Direct-fit replacement for applicable 5.9L Cummins engines
- Helps prevent front cover and timing housing oil leaks
- Designed to meet Cummins factory sealing specifications
- Recommended during timing cover service and engine rebuilds
FITMENT
- 1989–1998 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-Valve
- Select Cummins B-Series industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3938156 OEM Timing Gear Housing Gasket
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3938156
- Cummins Front Crankshaft Seal
- Cummins Timing Cover Gaskets and Seals
- Cummins Gear Housing Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3938156
- Part Type: Timing Gear Housing Gasket
- Engine Compatibility: 5.9L Cummins 12-Valve and 24-Valve
- Fitment Years: 1989–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Material: OEM Gasket Material
- Installation Type: Direct Replacement
FAQ
Will this gasket fit my truck?
This gasket fits many 1989–2002 5.9L Cummins applications. Always verify your engine serial number before ordering.
Is this a genuine Cummins gasket?
Yes. Cummins 3938156 is a genuine OEM timing gear housing gasket manufactured to Cummins specifications.
When should this gasket be replaced?
This gasket should be replaced whenever the timing gear housing is removed to ensure a proper seal and prevent oil leaks.
What is included?
This listing includes one Cummins 3938156 OEM timing gear housing gasket.
What are signs of a leaking timing gear housing gasket?
Common symptoms include oil seepage or oil accumulation around the front of the engine near the timing cover and gear housing area.
Do I need any related parts?
Inspect the front crankshaft seal, timing cover gaskets, accessory drive seals, and mounting hardware during installation and replace worn components as necessary.