Product Description
MAHLE 42097.03 is a premium +.030" oversize piston ring set engineered for the 2008–2010 Ford 6.4L Power Stroke (and select Navistar MaxxForce 7) engines. This set features a plasma-moly top ring, chrome-faced second ring, and a high-efficiency oil control ring for fast seating, low friction, and long service life.
- Engine: Ford 6.4L Power Stroke V8 (2008–2010); select Navistar MaxxForce 7 applications
- Oversize: +0.030" (3.896" / 99.0 mm bore)
- Ring stack (axial heights): 2.5 mm top • 2.0 mm second • 3.0 mm oil
- Materials/face: Top ring plasma-moly; second ring chrome; oil ring steel/ductile iron construction
Fitment
- 2008–2010 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.4L Power Stroke
- Also used on select Navistar MaxxForce 7 platforms (verify by VIN/engine tag)
Cross Reference & IDs
- MAHLE: 42097 (STD), 42097.01 (+.010), 42097.02 (+.020), 42097.03 (+.030)
- Ford OE (std set reference): 8C3Z-6148-A
- UPC (42097.030): 027067850836
Specs Snapshot
- Bore size: 3.896" (+.030" over stock)
- Engine set: V8 (order 8 cylinder sets as needed)
FAQ
Will 42097.03 fit my truck?
If you have a 2008–2010 Ford Super Duty with a 6.4L Power Stroke that has been bored +.030", this is the correct oversize ring set. Always confirm the overbore with your machine shop.
Is this a full engine set?
Yes—this listing is for a complete V8 engine ring set. Verify whether your supplier sells per-cylinder or full-engine sets when ordering.
What coatings are used?
The top ring is plasma-moly for durability and fast seating; the second ring is chrome-faced for wear resistance; the oil control ring provides excellent oil management.
Does this fit Navistar MaxxForce 7?
Yes, on select models sharing the 6.4L architecture. Verify by VIN and bore size.
