Product Description
The CUMMINS 3928759 OEM TAPPET COVER GROMMET SEAL is designed for 1998.5–2002 Dodge Ram trucks equipped with the 5.9L 24-valve Cummins diesel engine. This genuine Cummins sealing grommet helps maintain a proper seal at the tappet cover while supporting crankcase ventilation system performance and preventing oil leaks.
Use this part when servicing the tappet cover, replacing crankcase breather components, repairing oil leaks, or performing routine engine maintenance. Always verify fitment by part number and application before ordering.
FEATURES
- Genuine Cummins OEM tappet cover grommet seal
- Direct-fit replacement for factory-installed seal
- Helps prevent oil leaks around tappet cover components
- Supports proper crankcase ventilation system sealing
- Designed for long service life and durability
- Ideal for maintenance, repair, and engine service work
FITMENT
- 1998.5–2002 Dodge Ram 2500 5.9L Cummins 24-Valve
- 1998.5–2002 Dodge Ram 3500 5.9L Cummins 24-Valve
- Applicable to factory tappet cover and breather system configurations
WHAT'S INCLUDED
- 1 Cummins 3928759 OEM Tappet Cover Grommet Seal
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3928759
- Cummins Tappet Cover Components
- Cummins Crankcase Breather Components
- Cummins Valve Cover and Sealing Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3928759
- Part Type: Tappet Cover Grommet Seal
- Engine Compatibility: 5.9L Cummins 24-Valve
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Material: OEM Rubber Sealing Material
- Installation Type: Direct Replacement
FAQ
Will this part fit my truck?
This grommet seal fits many 1998.5–2002 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 24-valve Cummins engine. Always verify fitment using your part number before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3928759 is a genuine OEM Cummins tappet cover grommet seal.
What does this seal do?
This seal helps maintain a leak-free connection at the tappet cover and crankcase ventilation system components.
When should this grommet be replaced?
Replacement is recommended if the seal becomes brittle, damaged, oil-soaked, cracked, or begins leaking.
Can a failed grommet cause oil leaks?
Yes. A worn or damaged grommet can allow oil seepage around the tappet cover area and crankcase breather assembly.
Do I need any related parts?
Inspect the tappet cover, crankcase breather assembly, breather hose connections, and related seals during service and replace worn components as necessary.