Product Description
Interstate-McBee M-3977063 Head Gasket — Standard Thickness — 98.5–02 5.9L Cummins
OEM-style standard thickness (STD) cylinder head gasket engineered for the 1998.5–2002 5.9L Cummins 24-valve (ISB). Interstate-McBee delivers reliable sealing performance and precise fitment for stock and lightly modified builds at a smart aftermarket value.
- Direct-fit replacement: Matches Cummins 3977063 form, fit, and function.
- Standard thickness: Ideal for factory-spec rebuilds and everyday reliability.
- Quality materials: Built to OEM-equivalent specifications for consistent sealing.
- Aftermarket value: Performance you trust without OEM-box pricing.
Specifications
| Interstate-McBee Part | M-3977063 |
|---|---|
| OEM Cross-Reference | Cummins 3977063 (Standard Thickness) |
| Additional Cross-Refs | 3957650, 3942368, 3945803, Mahle 54174 |
| Engine Family | Cummins B / ISB 5.9L 24V |
| Application Years | 1998.5–2002 (24-valve) |
| Position | Cylinder Head to Block |
| Thickness | Standard (STD) |
What’s Included
- (1) Cylinder Head Gasket — Standard Thickness (STD)
Vehicle Fitment
For best results, verify by engine serial number (ESN) before purchase.
- Dodge Ram 2500/3500 — 5.9L Cummins 24V (ISB): 1998.5, 1999, 2000, 2001, 2002
Install Notes
- Inspect and clean deck and head surfaces; check flatness per Cummins service limits.
- Use new head bolts (torque-to-yield) or upgrade to studs; follow the torque sequence and specs in the Cummins manual.
- Verify cooling system condition (thermostat, radiator, fan clutch) to prevent future overheating.
- Recheck torque/fastener stretch as recommended by the fastener manufacturer.
Warranty
Interstate-McBee new engine components include manufacturer warranty coverage. Contact us for terms specific to head gaskets and professional installation requirements.
Cross-Reference & Compatibility
Interchanges with OEM 3977063; commonly cross-referenced to 3957650, 3942368, 3945803, and Mahle 54174. Confirm ESN for edge cases.
Why Buy From CPP Diesel
- Diesel experts with ESN-verified fitment support
- Fast shipping and hassle-free returns
- Curated B-series catalog to complete your top-end service
FAQ
Is this the correct gasket for my 1998.5–2002 24-valve 5.9L Cummins?Yes. M-3977063 corresponds to standard thickness for the 1998.5–2002 5.9L Cummins 24V (ISB). Always confirm by ESN.
Does this fit 12-valve engines?
No. This listing targets the 24-valve ISB (1998.5–2002). For 12-valve 6BT applications, use the appropriate 12V gasket.
What does “STD thickness” mean?
It’s the factory, standard head gasket thickness specified for stock deck height and piston protrusion—ideal for OEM-style rebuilds.
Should I replace head bolts?
Yes. Replace torque-to-yield bolts on reassembly or upgrade to head studs for improved clamping—especially on tuned/boosted setups.
Product Videos
Custom Field
YEAR 1998.5-2002
MAKE DODGE
ENGINE 5.9L
