Product Description
MAHLE 224-3953WR is the reduced-compression standard-bore piston set with rings for the 2008–2010 Ford 6.4L Power Stroke (VIN R) and Navistar MaxxForce 7. Built to OE standards with coated skirts and a factory-matched ring pack, this set helps combat piston distress while maintaining durability under towing and tune-appropriate fueling.
Fitment
- 2008, 2009, 2010 Ford F-250 / F-350 / F-450 / F-550 Super Duty with 6.4L Power Stroke (VIN R)
- Navistar MaxxForce 7 (applicable 2008–2010 configurations)
- Bore size: Standard (STD) • Quantity: Set of 8 pistons with rings, pins & retainers (as supplied by MAHLE)
Why builders choose 224-3953WR
- Reduced compression height design to mitigate common 6.4L piston issues
- OE-grade coated skirts for friction control and scuff resistance
- Factory-matched ring pack for reliable sealing and oil control
Cross-Reference / Alternatives (MAHLE on CPP Diesel)
- Oversize +0.50 mm: MAHLE 224-3953WR-0.50MM
- Oversize +0.75 mm: MAHLE 224-3953WR-0.75MM
- OE-style compression family (STD): MAHLE 224-3666WR (STD)
- 224-3666WR +0.25 mm: MAHLE 224-3666WR-0.25MM
- 224-3666WR +0.50 mm: MAHLE 224-3666WR-0.50MM
- 224-3666WR +0.75 mm: MAHLE 224-3666WR-0.75MM
Specifications for Mahle 224-3953WR
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | 224-3953WR (STD) |
| UPC | 027067992437 |
| GTIN | 00027067992437 |
| Engine | Ford 6.4L Power Stroke (VIN R); Navistar MaxxForce 7 |
| Bore Size | Standard (STD) |
| Set Size | 8 pistons |
| Includes | Pistons, rings, pins & retainers (as supplied by MAHLE) |
| Skirt | Graphite/moly coated |
| Shipping | Ground service; shipping calculated 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 sold as singles or a complete set?
CPP Diesel sells a complete set of 8 pistons with rings, pins, and retainers.
What does “reduced compression” mean on this part?
224-3953WR uses a reduced compression height design compared to OE-style pistons to help address typical 6.4L piston issues while retaining daily-drivable performance.
Will this fit all 2008–2010 Super Duty 6.4L trucks?
Yes—verify VIN R, standard bore, and proper cylinder finish/clearance. Always measure before ordering; oversizes (+0.50 mm, +0.75 mm) are available above.
