INTERSTATE-MCBEE M-4089258 PISTON RING SET STD BORE 04.5–07 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

Product Description

Interstate-McBee M-4089258 Piston Ring Set — Standard Bore — 2004.5–2007 5.9L Cummins (ISB 24-Valve, Common Rail)

Quality aftermarket piston ring set engineered to OE form, fit, and function for the 2004.5–2007 Dodge Ram 2500/3500 with the 5.9L Cummins ISB common-rail diesel. Ideal for stock rebuilds and refreshes where standard (STD) bore is retained.

• OE-style performance: Sealing characteristics comparable to factory rings.
• Standard bore: For cylinders that remain at factory diameter (no overbore).
• Durable materials: Designed for long service life under diesel operating conditions.
• Ready for rebuilds: Complements stock pistons and honing procedures.

What’s Included

• (1) Complete piston ring set for one piston (compression and oil rings)

Vehicle Fitment

Always verify by engine serial number (ESN) when possible.

• Dodge Ram 2500/3500 — 5.9L Cummins ISB, common rail (24-valve)
  • Model Years: 2004.5–2007 (mid-year 2004.5 changeover)

Recommended/Related Parts

• Piston(s) — STD bore (match to rings)
• Head gasket and top-end set
• Main and rod bearings
• Ring compressor tool
• Hone/brush and cleaning supplies

Install Notes

• Confirm cylinder bore is within specification for STD rings; hone as required and verify finish.
• Measure and file end-gap as needed; stagger ring gaps per service manual.
• Check ring orientation (top/bottom) and oil ring expander instructions.
• Lubricate appropriately and use a quality ring compressor during installation.

FAQ

Is this a standard bore ring set?

Yes. This listing is for standard (STD) bore cylinders. If your block is overbored, use the matching oversize ring set.

How many sets do I need?

These are sold per cylinder. Order 6 sets for a complete engine.

Does this fit earlier 2004 trucks?

It fits the mid-year 2004.5–2007 common-rail 5.9L. For early-2004 or VP44-equipped engines, verify by ESN before ordering.