INTERSTATE-MCBEE M-3802234 PISTON RING SET .040 89–07 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

Product Description

Interstate-McBee M-3802234 Piston Ring Set – .040" Oversize (89–07 5.9L Cummins)

Piston ring set for the 1989–2007 5.9L Cummins B-Series (12V & 24V) engines, .040" oversize (≈1.00 mm). Designed as an OE-style replacement for dependable sealing, oil control, and long service life. Sold per cylinder (one piston)—order a quantity of 6 for a complete engine.

• .040" oversize: For engines that have been bored/honed .040" over standard.
• OE-style materials: Built to match factory form, fit, and function.
• Balanced ring pack: Compression and oil control rings engineered for street, towing, and work use.
• Aftermarket value: Interstate-McBee quality without the OEM price tag.

What’s Included

• (1) Complete ring pack for one piston:
  • Compression rings (upper & second)
  • Oil control ring assembly

Vehicle Fitment

Always confirm by engine serial number (ESN) and bore size after machining.

• Dodge Ram 2500/3500 with 5.9L Cummins (12V 1989–1998; 24V 1998.5–2007)
• Other 5.9L B-Series applications calling for .040" oversize rings

Install Notes

• Verify cylinder bore size and finish; .040" rings require a .040" overbore.
• Measure ring end gap in-cylinder and file to spec if required; follow the Cummins service manual.
• Observe ring orientation marks and recommended clocking positions.
• Use proper lubrication and a quality ring compressor during installation.

Recommended/Related Parts

• Pistons matched to .040" oversize
• Head gasket set and head bolts/studs
• Main/rod bearings and full gasket set (if overhauling)

FAQ

Is M-3802234 sold per cylinder or per engine?

Sold per cylinder (one piston). For a full 6-cylinder 5.9L, order a quantity of 6.

Will .040" rings work in a standard bore?

No. .040" oversize rings are for cylinders bored/honed .040" over standard. Verify bore size before ordering.

Does this fit both 12-valve and 24-valve 5.9L Cummins?

Yes—this listing covers 1989–2007 5.9L applications that specify this ring set and size. Confirm by ESN and piston/ring spec.