Product Description
The CUMMINS 3957203 OEM VALVE COVER BOLT WITH GROMMET (CAPTIVE ISOLATOR CAP SCREW) is designed for 2004.5–2005 5.9L Cummins diesel engines. This genuine Cummins fastener assembly includes the captive isolator grommet and is engineered to properly secure the valve cover while helping maintain proper sealing and vibration isolation.
Use this part when replacing damaged valve cover hardware, repairing oil leaks, or servicing the valve cover assembly. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM valve cover bolt with captive grommet
- Designed for 2004.5–2005 5.9L Cummins applications
- Helps maintain proper valve cover sealing pressure
- Includes integrated isolator grommet
- Direct-fit replacement hardware
- Recommended during valve cover service and repairs
FITMENT
- 2004.5–2005 Dodge Ram 2500 5.9L Cummins
- 2004.5–2005 Dodge Ram 3500 5.9L Cummins
- Select 5.9L Cummins common-rail industrial applications
WHAT'S INCLUDED
- 1 Cummins 3957203 OEM Valve Cover Bolt With Grommet
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3957203
- Valve cover gasket components
- Valve cover assemblies and related hardware
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3957203
- Part Type: Valve Cover Bolt With Grommet
- Alternate Description: Captive Isolator Cap Screw
- Engine Compatibility: 5.9L Cummins Common Rail
- Fitment Years: 2004.5–2005
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits 2004.5–2005 5.9L Cummins applications listed above. Always verify your year, make, model, engine, and engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3957203 is a genuine OEM direct-fit replacement valve cover bolt and grommet assembly.
What is included?
This listing includes one Cummins 3957203 valve cover bolt with captive isolator grommet.
Why is the grommet important?
The integrated isolator grommet helps distribute clamping force, reduce vibration transfer, and assist in maintaining a proper valve cover seal.
Should I replace old valve cover hardware?
Yes. Damaged, worn, or deteriorated hardware can contribute to improper sealing and oil leaks. Replacement is recommended during valve cover service.
Do I need any related parts?
Inspect the valve cover gasket, breather components, mounting hardware, and valve cover assembly during service and replace worn parts as necessary.
