Product Description
MAHLE 42097.01 is the +0.010" oversize piston ring set engineered for the 2008–2010 Ford 6.4L Power Stroke (also fits select Navistar MaxxForce 7). Built to OE standards with a plasma-moly top ring, ductile second, and chrome-faced oil control, this ring pack delivers rapid seating, stable compression, and long service life under towing and performance use.
Fitment
- 2008, 2009, 2010 Ford F-250/F-350/F-450/F-550 Super Duty with 6.4L Power Stroke (VIN R)
- Also fits select Navistar MaxxForce 7 applications (verify by engine build and bore)
- Oversize: +0.010" (nominal finished bore ≈ 3.876")
- Sold as: Engine set (8 cylinders)
Cross-Reference / Alternatives (MAHLE on CPP Diesel)
- Standard size (engine set): MAHLE 42097 (STD)
- +0.020" (engine set): MAHLE 42097.02
- +0.030" (engine set): MAHLE 42097.03
- Standard single-cylinder set: MAHLE S42097 (STD)
- +0.020" single-cylinder set: MAHLE S42097.020
Specifications for Mahle 42097.01
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 42097.01 (+0.010") |
| UPC | 027067933157 |
| GTIN | 00027067933157 |
| Application | 2008–2010 Ford 6.4L Power Stroke; select Navistar MaxxForce 7 |
| Set Contents | Engine set (rings for 8 cylinders) |
| Ring Construction | UCR (plasma-moly, carbon steel) / LCR (ductile iron) / OCR (chrome-faced oil) |
| Shipping | Ships ground; transit and options shown at checkout |
| Prop 65 | This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more. |
FAQ
Is 42097.01 the correct size for my rebuild?
Choose 42097.01 when your 6.4L cylinders are bored +0.010". Measure each cylinder and check end-gap per MAHLE spec before ordering.
Is this an engine set or a single-cylinder set?
Engine set—rings for all eight cylinders are included. If you need a single-cylinder kit, see S42097 (STD) or S42097.020.
What materials are the rings?
Top ring is carbon steel with a plasma-moly face; second and oil rings are ductile/cast with a chrome face for durability and oil control.
