Product Description
CUMMINS 3929881 OEM EXHAUST MANIFOLD GASKET FOR 1989-1998 5.9L 12V CUMMINS
The CUMMINS 3929881 OEM exhaust manifold gasket is the genuine multi-layer steel gasket designed to seal the exhaust manifold to the cylinder head on 1989-1998 5.9L 12-valve Cummins engines.
This OEM Cummins gasket helps eliminate exhaust leaks, soot buildup, turbo spool loss, and hot-side sealing issues while maintaining proper exhaust flow and manifold sealing under high heat and load conditions.
Built using durable multi-layer steel construction, Cummins 3929881 is designed to handle extreme exhaust temperatures, thermal cycling, towing loads, and performance applications.
FEATURES
- Genuine OEM Cummins exhaust manifold gasket
- Multi-layer steel gasket construction
- Designed for 5.9L 12-valve Cummins engines
- Helps prevent exhaust leaks and soot buildup
- Supports proper turbocharger spool and exhaust flow
- Designed for high-temperature durability
- Ideal for stock and performance applications
FITMENT
- 1989-1993 Dodge Ram 2500 5.9L 12-valve Cummins
- 1989-1993 Dodge Ram 3500 5.9L 12-valve Cummins
- 1994-1998 Dodge Ram 2500 5.9L 12-valve Cummins
- 1994-1998 Dodge Ram 3500 5.9L 12-valve Cummins
- Select industrial and off-highway Cummins 6BT and B5.9 applications
Fitment Note: This gasket is designed for 12-valve 6BT applications only and will not fit most 24-valve or common-rail engines.
WHAT'S INCLUDED
- 1 Cummins 3929881 OEM exhaust manifold gasket
Important: Most 6BT engines require six gaskets total, one for each exhaust port.
RELATED PARTS
- Cummins exhaust manifold hardware
- Cummins turbocharger gaskets
- Cummins exhaust manifold studs
- Cummins turbocharger mounting hardware
- Cummins exhaust manifold assemblies
INSTALLATION NOTES
- Clean all sealing surfaces thoroughly before installation
- Inspect the exhaust manifold for cracks or warpage
- Install the gasket dry unless otherwise specified by Cummins
- Torque manifold hardware to factory specifications
- Recheck hardware torque after heat cycles if required
SPECIFICATIONS
- Brand: Cummins
- Part Number: 3929881
- Product Type: Exhaust manifold gasket
- Gasket Style: Multi-layer steel
- Engine Compatibility: 5.9L 12-valve Cummins 6BT
- Fitment Years: 1989-1998
- Quantity Required Per Engine: 6
- Material: Multi-layer stainless steel
- Approximate Shipping Weight: 0.04 pound
- Condition: New genuine Cummins OEM part
FAQ
How many Cummins 3929881 gaskets do I need for a complete engine?
Most 5.9L 12-valve 6BT engines use six exhaust manifold gaskets total, one gasket for each exhaust port.
Will this fit my 24-valve or 6.7L Cummins engine?
No. Cummins 3929881 is designed primarily for 1989-1998 12-valve 6BT applications.
Can this gasket be used on performance engines?
Yes. The OEM multi-layer steel design is commonly used on towing and performance applications because of its durability and sealing performance.
Do I need sealant during installation?
Most installations use the gasket dry on clean sealing surfaces unless otherwise specified by Cummins service procedures.
Can exhaust manifold gaskets be reused?
No. Exhaust manifold gaskets should be replaced whenever the manifold is removed to ensure proper sealing.
