Product Description
The CUMMINS 3946168 OEM VALVE COVER BOLT (CAPTIVE ISOLATOR CAP SCREW) is designed for 1998.5–2002 5.9L 24-valve Cummins diesel engines. This genuine Cummins fastener secures the valve cover assembly while helping maintain proper sealing, vibration isolation, and long-term reliability.
Use this part when replacing damaged or missing valve cover hardware, performing valve train service, or restoring factory engine components. Always verify fitment by year, make, model, engine, and part number before ordering.
FEATURES
- Genuine Cummins OEM valve cover bolt
- Captive isolator cap screw design
- Designed for 1998.5–2002 5.9L 24-valve Cummins applications
- Helps secure the valve cover and maintain proper sealing
- Direct-fit replacement hardware
- Ideal for maintenance, repair, and restoration projects
FITMENT
- 1998.5–2002 Dodge Ram 2500 5.9L Cummins 24-Valve
- 1998.5–2002 Dodge Ram 3500 5.9L Cummins 24-Valve
- Additional Cummins ISB applications requiring part number 3946168
WHAT'S INCLUDED
- 1 Cummins 3946168 OEM Valve Cover Bolt (Captive Isolator Cap Screw)
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3946168
- Valve cover gasket components
- 24-valve Cummins valve train service parts
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3946168
- Part Type: Valve Cover Bolt / Captive Isolator Cap Screw
- Engine Compatibility: 5.9L 24-Valve Cummins
- Fitment Years: 1998.5–2002
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits the applications listed above. Always verify your year, make, model, engine, and part number before ordering.
Is this a direct replacement?
Yes. Cummins 3946168 is a genuine OEM direct-fit replacement valve cover bolt.
What is included?
This listing includes one Cummins 3946168 OEM valve cover bolt with captive isolator.
What does the captive isolator do?
The captive isolator helps distribute clamping force and reduce vibration transfer while securing the valve cover assembly.
Can I reuse my old valve cover bolts?
Inspect all hardware for wear, corrosion, damaged threads, or deteriorated isolators. Replace any questionable fasteners during service.
Do I need any related parts?
Inspect the valve cover gasket, breather components, seals, and related valve cover hardware during installation and replace worn parts as necessary.
