Product Description
MAHLE 224-3503WR.040 piston with rings is an OE-quality, +0.040" oversize replacement for the 6.0L Power Stroke. Expansion-controlled, lightweight design with coated skirts for quiet operation and long service life. PRICE SHOWN IS FOR A COMPLETE SET OF 8 PISTONS WITH RINGS (our CPP Diesel listing). Verify cylinder bore and oversize before purchase.
- Oversize/Bore: +0.040" (3.780")
- Compression Height: 52.29 mm
- Construction: Cast piston, coated skirt, includes rings
- Qualifier/Interchange: Navistar 1845154C91
- GTIN/UPC: 027067913166
Fitment
- 2004–2007 Ford F-250/F-350/F-450/F-550 6.0L Power Stroke (built 9/22/2003 & later)
- 2004–2005 Ford Excursion 6.0L Power Stroke (built 9/22/2003 & later)
Cross Reference / Related
- MAHLE: 224-3503WR.040 (piston), S41940.040 (ring set, per-cyl), 41940.040 (complete 8-cyl ring set)
- Navistar/Ford reference: 1845154C91 (piston qualifier)
What’s Included
Complete engine set — eight (8) +0.040" pistons with rings, pins, and locks
FAQ
Is this price for a full set?
Yes — on CPP Diesel, the listed price is for a set of 8 pistons with rings. Some competitors show per-piston pricing; we do not.
Will these fit my truck?
Fits 2004–2007 Super Duty 6.0L (and 2004–2005 Excursion) built 9/22/2003 or later. Always verify build date and required oversize before ordering.
What ring set should I pair with these?
Use MAHLE 41940.040 (complete 8-cyl set) or S41940.040 if buying per-cylinder ring sets.
Are these coated?
Yes — expansion-controlled OE-style pistons with coated skirts for durability and noise control.
Do I need machine work?
Yes — +0.040" requires proper boring/honing and piston-to-wall clearance per MAHLE specs.