Product Description
Interstate-McBee M-3935878 Valve Cover Gasket – 98.5–02 5.9L Cummins 24V
Restore a proper seal on your 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-valve with this Interstate-McBee M-3935878 valve cover gasket. Built as an OEM-style aftermarket replacement, it installs in the factory location to help stop oil leaks and keep your engine bay clean.
- OEM-style fit: Direct replacement for Cummins 3935878 (see cross-refs).
- Durable molded elastomer: Designed to maintain clamp load and sealing integrity.
- Leak control: Helps prevent oil seepage around the rocker/valve cover perimeter.
- Aftermarket value: Quality and fit without OEM pricing.
Specifications
| Brand | Interstate-McBee |
|---|---|
| Part Number | M-3935878 |
| OEM Reference | 3935878 (Cummins) |
| Alt. Cross-References | 5016356AB (Mopar) |
| Engine | 5.9L Cummins ISB 24-Valve (B-Series) |
| Years | 1998.5, 1999, 2000, 2001, 2002 |
| Position | Valve (Rocker) Cover Gasket |
| What’s Included | (1) Valve cover gasket |
Vehicle Fitment
Always verify by Engine Serial Number (ESN) for edge cases.
- Dodge Ram 2500/3500, 5.9L Cummins ISB 24V
- 1998.5–2002 model years
Recommended Add-Ons
- Valve cover bolts (Cummins 3946168) – replace if corroded or stretched.
- Valve cover bolt washers (Cummins 3942659) – inspect/replace as needed.
Install Notes
- Remove old gasket material and clean mating surfaces thoroughly.
- Inspect valve cover for warpage; replace damaged hardware.
- Follow Cummins service manual for torque sequence and specifications.
Warranty
Interstate-McBee new-part warranty applies. For coverage details and terms, contact us or refer to the manufacturer’s policy.
Cross-Reference & Compatibility
Direct replacement for Cummins 3935878; also cross-references Mopar 5016356AB. Fits 5.9L ISB 24V B-Series applications listed above.
Why Buy From CPP Diesel
- Fitment-first support and ESN verification.
- Fast shipping and easy returns.
- Curated Cummins B-Series parts that work together.
FAQ
Will this fit my 1999 24-valve 5.9L?Yes. This gasket is listed for 1998.5–2002 5.9L Cummins ISB 24V applications.
Is this the same as Cummins 3935878?
It’s an OEM-style aftermarket replacement engineered to replace Cummins 3935878.
Does it include bolts or washers?
No. Hardware is sold separately. Consider new bolts 3946168 and washers 3942659.
Material type?
Molded elastomer designed for durability and sealing under the rocker cover clamp load.
Torque specs?
Use the model-specific torque sequence/specs in the Cummins service manual.
Product Videos
Custom Field
YEAR 1998.5-2002
MAKE DODGE
ENGINE 5.9L
