Product Description
Interstate-McBee M-5303406 Valve Spring – 03–07 5.9L Cummins*
Premium OE-style valve spring from Interstate-McBee for the Cummins 5.9L ISB. Built to OEM dimensions for consistent valve control and long service life. Ideal as a direct-fit, cost-effective aftermarket replacement on common-rail applications.
- Direct-fit replacement: Installs in the factory location for a precise OEM-equivalent fit.
- Consistent valve control: Quality spring steel and tight tolerances for reliable seating and timing.
- Aftermarket value: Interstate-McBee quality at a fraction of OEM boxed pricing.
Specifications
| Brand | Interstate-McBee |
|---|---|
| Part Number | M-5303406 |
| OEM Cross-Reference | Cummins 5303406 (see notes) |
| Superseded / Old PN | 4936080 (verify by ESN) |
| Engine | Cummins B-Series ISB 5.9L (24-valve common-rail) |
| Position | Intake/Exhaust Valve Spring |
| Sold As | Each (order quantity as needed) |
| Warranty | Interstate-McBee manufacturer warranty |
Vehicle Fitment
*Fitment note: Most catalogs list this spring for 2004.5–2007 5.9L Cummins (ISB, common-rail). For 2003–early 2004 trucks, verify by engine serial number (ESN) as spring specs may differ.
- Dodge Ram 2500/3500 5.9L Cummins (ISB, common-rail)
- 2004.5–2007 model years (typical catalog listing)
- Other B-Series / ISB applications: May apply; confirm by ESN before purchase.
Install Tips
- Always compare free length to removed part; replace springs in matched sets for even seat pressure.
- Follow Cummins service procedures for valve spring compressor use and retainer/keeper re-assembly.
- Inspect valve stem seals and retainers; replace any worn components during service.
Why Buy From CPP Diesel
- Expert Cummins fitment support (VIN/ESN verification upon request)
- Fast shipping and easy returns
- Thousands of B-Series parts in stock for complete top-end refreshes
FAQ
Will this fit my 2003–early 2004 5.9L Cummins?Many catalogs list M-5303406 for 2004.5–2007 applications. For 2003–early 2004 trucks, spring specs can differ—please verify with your engine serial number (ESN) before ordering.
Is this an OEM Cummins part?
This is an aftermarket replacement by Interstate-McBee engineered to OEM-equivalent fit and function. If you require a Cummins-boxed spring, ask for OEM 5303406.
How many springs should I order?
Springs are sold individually. Order as many as needed for your service strategy; many rebuilds replace the full set.
What about warranty coverage?
Interstate-McBee new engine parts are covered by the manufacturer’s warranty. Contact us for current terms and assistance.
Product Videos
Custom Field
YEAR 2003-2007
MAKE DODGE
ENGINE 5.9L
