Product Description
MAHLE 42097 is the standard-bore piston ring set for the 2008–2010 Ford 6.4L Power Stroke (VIN R), engineered to OE specs for rapid seating, strong sealing, and long service life.
Why it wins: plasma-moly top ring for durability, tight oil control with chrome scraper & oil ring, and consistent cylinder sealing after a proper plateau hone—ideal for stock or mild performance builds.
Fitment
- 2008–2010 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.4L Power Stroke V8 (VIN R)
- Bore size: Standard (3.866" / 98.21 mm)
- Quantity: complete engine set of rings (all cylinders)
Cross-Reference / Alternatives (MAHLE on CPP Diesel)
- Single-cylinder service pack: MAHLE S42097 (STD)
- Oversize +.010: MAHLE 42097.01
- Oversize +.020: MAHLE 42097.02
- Oversize +.030: MAHLE 42097.03
- Piston kit w/ rings (STD): MAHLE 224-3666WR (STD)
- Piston kit w/ rings (0.75 mm): MAHLE 224-3666WR-0.75MM
Specifications for Mahle 42097
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 42097 (Standard Bore) |
| UPC | 027067850812 |
| GTIN | 00027067850812 |
| Engine | Ford 6.4L Power Stroke V8 (VIN R) |
| Bore Size | 3.866" (98.21 mm) Standard |
| Construction | Top: plasma-moly (UCR); Second: ductile iron (LCR); Oil: chrome (OCR) |
| Ring Heights | 2.5 mm / 2.0 mm / 3.0 mm |
| Includes | Complete engine set of rings |
| Shipping | Free Shipping; expedited options available 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 this a full engine set or one cylinder?
42097 is a complete engine set. For one cylinder only, use S42097.
How do I confirm it fits my truck?
Confirm you have a 2008–2010 6.4L Power Stroke (VIN R) and verify bore size during measurement. This kit is standard bore.
What if my block needs oversize rings?