Product Description
MAHLE S41940.020 piston ring set is an OE-quality, +.020" oversize (3.760" bore) replacement for the 2003–2007 Ford 6.0L Power Stroke (Navistar VT365). Built to factory specs for long life and proper sealing, this per-cylinder kit restores compression and oil control after an overbore.
- Bore size: 3.760" (+.020")
- Ring widths: 2.3 mm / 2.0 mm / 3.44 mm (top/second/oil)
- Top ring facing: Plasma-Moly; Second ring: ductile iron; Oil ring: chrome-faced
- Configuration: single-cylinder set — order quantity 8 to service all cylinders
- GTIN/UPC: 027067820273
Fitment
- 2003–2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.0L Power Stroke (VIN P)
- 2003–2005 Ford Excursion 6.0L Power Stroke
- Also used on Navistar VT365 / 6.0L applications
Cross Reference & Related Sizes
- MAHLE: S41940 (STD), S41940.010 (+.010"), S41940.020 (+.020")
What’s Included
Complete piston ring set for one cylinder: top compression, second compression, and oil control ring assembly.
FAQ
Is this a full engine set?
No. This is a single-cylinder ring set. Order 8 sets to service an entire 6.0L V8.
What bore size does .020" oversize correspond to?
A finished cylinder bore of 3.760" (+.020" over standard) after machining.
What materials are the rings?
Top ring is plasma-moly faced for durability; second ring is ductile iron; oil ring is chrome-faced for wear resistance.
Will this fit my 2006 F-350 6.0L?
Yes—fits 2003–2007 6.0L Power Stroke across F-Series and 2003–2005 Excursion (verify overbore size before ordering).
