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

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