Product Description
Interstate-McBee M-3800487 Lower Engine Gasket Set – 98.5–02 5.9L Cummins
OEM-style lower engine gasket set by Interstate-McBee—specifically for 1998.5–2002 Dodge Ram 5.9L Cummins 24-valve engines. Designed for precision fit, reliable sealing, and cost-effective engine rebuilds.
- Complete lower gasket kit: Covers oil pan, front cover, main caps, and related sealing surfaces.
- Engineered to OEM thickness: Matches Cummins 3800487 specifications perfectly.
- Reliable materials & precision cut: Ensures long-term leak prevention and durability.
- Aftermarket value: High-quality replacement at significant savings versus OEM Cummins pricing.
Specifications
| Part Number | M-3800487 (Interstate-McBee) |
|---|---|
| OEM Reference | 3800487 (Cummins) |
| Replaced Part | M-3800833 |
| Engine Fitment | 5.9L Cummins 24V B-Series |
| Applicable Years | 1998.5–2002 |
| Included Components | Full lower gasket kit (oil pan, timing cover, main caps, etc.) |
Vehicle Fitment
Always verify using engine serial number (ESN) when possible.
- Dodge Ram 2500/3500 5.9L Cummins (24-Valve ISB):
- Production Years: Late 1998 (98.5) through 2002
- Notes: Replaces older Interstate-McBee M-3800833 set. Ideal for mid-north rebuilds and full long-block services.
Installation Tips
- Thoroughly clean and inspect all mating surfaces—remove old gasket residue completely.
- Follow Cummins service manual torque sequences and specs for proper sealing.
- Use proper gasket sealant only if specified in the manual.
Warranty
Interstate-McBee engine rebuild parts include manufacturer warranty—typically 1 to 2 years. For exact terms, refer to manufacturer documentation or contact us for details.
Cross-Reference
Replaces Interstate-McBee part number M-3800833 and matches the OEM Cummins 3800487. Confirm compatibility before purchase.
Why Buy From CPP Diesel
- Curated diesel inventory with expert fitment support.
- Fast shipping and easy returns.
- Technical assistance to verify ESN-based fitment.
FAQ
Is this gasket set only for 24-valve 5.9L engines?Yes, this Interstate-McBee M-3800487 set is designed specifically for 5.9L Cummins 24-valve (ISB) engines from late 1998 (98.5) through 2002.
Can I use this set instead of M-3800833?
Yes—M-3800487 replaces and updates Interstate-McBee’s earlier M-3800833 lower gasket set offering improved fit and updated OEM specs.
What components are included?
Complete lower rebuild gaskets—including oil pan, timing cover, and main cap seals for a full lower-end service.
Do I need RTV sealant?
Follow the Cummins service manual. RTV sealant may be recommended for certain mating surfaces, but not universally required.
Product Videos
Custom Field
YEAR 1998.5-2002
MAKE DODGE
ENGINE 5.9L
