Product Description
Interstate-McBee M-4980462 Crankshaft – 03–07 5.9L Cummins 24V (ISB)
Premium aftermarket Interstate-McBee crankshaft engineered to OEM-style specifications for 2003–2007 Dodge Ram 2500/3500 with 5.9L Cummins 24-valve (ISB) engines. Built for durability, precise balance, and long service life in daily, tow, and work applications.
- Direct-fit replacement: Matches OEM geometry for proper journal alignment and oiling.
- Built for reliability: Precision-machined forging designed for smooth operation and reduced vibration.
- Aftermarket value: OEM-style performance at a lower cost than genuine Cummins boxed parts.
- ESN-verified: We’ll confirm by Engine Serial Number for edge cases and swaps.
Specifications
| Interstate-McBee P/N | M-4980462 |
|---|---|
| OEM Reference | Cummins 4980462 (ISB/QSB) |
| Common Alt. / Supersessions | 3978482, 3964040, 3946437 (verify by ESN) |
| Engine Family | Cummins ISB 5.9L (24V) |
| Condition | New aftermarket (no core) |
Vehicle Fitment
Always verify by engine serial number (ESN), especially on mid-year changes.
- Dodge Ram 2500/3500, 5.9L Cummins 24V (ISB)
- Model Years: 2003, 2004, 2004.5, 2005, 2006, 2007 (to 2007.5)
What’s Included
- (1) New crankshaft, packaged for protection
Installation Notes
- Measure all main/rod journals; pair with correct bearings and thrusts.
- Follow Cummins service manual torque specs and sequences.
- Check endplay, crank balance, and cleanliness; prime oiling system before start-up.
Warranty
Interstate-McBee new engine parts include manufacturer warranty coverage. Terms vary by application. Contact us for details and assistance with ESN-specific verification.
Why Buy From CPP Diesel
- Dedicated B-Series experts — fast ESN fitment checks
- Fast shipping and hassle-free returns
- Matched components available (bearings, seals, hardware) for complete bottom-end service
FAQ
Will this crankshaft fit my 2003–2007 5.9L 24V Ram?Yes, it’s listed for 2003–2007 5.9L Cummins ISB (24-valve). Please verify with your engine serial number (ESN) to avoid mid-year fitment surprises.
Is this an OEM Cummins part?
No. This is a new Interstate-McBee aftermarket crankshaft built to OEM-style specifications as a cost-effective replacement.
Which OEM number does it cross to?
The primary OEM reference is Cummins 4980462. Some catalogs also show alternates such as 3978482, 3964040, and 3946437 — always confirm by ESN.
Do I need a core?
No core is required for this new aftermarket crankshaft.
What else should I replace during installation?
We recommend new main and rod bearings, rear main seal, front seal, and fresh fasteners where specified. Inspect oil pump and cooler; replace as needed.
