Product Description
The CUMMINS 3946275 OEM EXHAUST MANIFOLD GASKET is designed for 1998.5–2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. This genuine Cummins gasket provides a reliable seal between the cylinder head and exhaust manifold to help maintain proper exhaust flow and prevent exhaust leaks.
Use this gasket when replacing a damaged exhaust manifold gasket, servicing the exhaust manifold, installing performance manifold upgrades, or performing engine repair work. Always verify fitment by engine serial number and part number before ordering.
FEATURES
- Genuine Cummins OEM exhaust manifold gasket
- Direct-fit replacement for factory applications
- Helps prevent exhaust leaks between the cylinder head and manifold
- Designed to withstand high exhaust temperatures
- Ideal for maintenance, repair, or manifold replacement projects
FITMENT
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-Valve
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins Common Rail
- Select Cummins ISB industrial applications
WHAT'S INCLUDED
- 1 Cummins 3946275 OEM Exhaust Manifold Gasket
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3946275
- Exhaust Manifold Hardware
- Exhaust Manifold Studs and Nuts
- Cummins Exhaust Manifold Assemblies
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3946275
- Part Type: Exhaust Manifold Gasket
- Engine Compatibility: 5.9L Cummins ISB
- Fitment Years: 1998.5–2007
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Location: Cylinder Head to Exhaust Manifold
- Installation Type: Direct Replacement
FAQ
Will this gasket fit my truck?
This gasket fits many 1998.5–2007 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L Cummins engine. Always verify fitment before ordering.
Is this a genuine Cummins gasket?
Yes. Cummins 3946275 is a genuine OEM exhaust manifold gasket manufactured to Cummins specifications.
What does this gasket seal?
This gasket seals the connection between the cylinder head and the exhaust manifold to help prevent exhaust leaks and maintain proper exhaust flow.
When should I replace the exhaust manifold gasket?
Replacement is recommended whenever the exhaust manifold is removed or if exhaust leaks, soot marks, ticking noises, or gasket damage are present.
Can this be used with aftermarket exhaust manifolds?
Many aftermarket manifolds designed for OEM gasket fitment use this style gasket. Always verify compatibility with the manifold manufacturer.
Do I need any related parts?
Inspect exhaust manifold studs, nuts, spacers, and the manifold itself during service and replace damaged components as necessary.
