
- Superior Durability: It's constructed with higher-quality materials and manufacturing processes than the stock part, specifically designed to eliminate the cracking issues often found in original Maxx Force 7 pistons.
- Enhanced Performance: Features like a compensated ring groove ensure a perfect seal, improving oil control and combustion efficiency. The piston's expansion-controlled design also helps to reduce engine noise and emissions.
- Reduced Friction: This piston uses MAHLE's advanced GRAFAL® anti-friction coating, a graphite-impregnated resin that significantly reduces friction and wear on the cylinder bore. This leads to smoother operation, improved reliability, and a longer life for your engine.
- Piston Rings Included: No
- Bore (in.): 3.858 in.
- Bore (mm): 98.000mm
- Stroke: 4.130 in.
- Engine Stroke Type: Stock
- Piston Style: Dish, with no valve reliefs
- Piston Material: Forged aluminum
- Wrist Pin Style: Floating
- Wrist Pin Retainers Included: Yes
- Wrist Pin Included: Yes
- Pin Diameter (in.): 1.516 in.
- File Fit: No
- Gapless: No
- Remanufactured: No
- Quantity: Sold individually, 8 needed per application

A faulty piston in your Ford 6.4L Powerstroke or Navistar Maxx Force 7 engine can lead to a host of problems, from a noticeable drop in performance to increased engine noise. The MAHLE S224-3851 Maxx Force 7 Single Piston without Rings is an ideal solution, engineered to replace your worn or cracked stock pistons with an OE-quality part that not only restores but also enhances your engine’s performance. Built with durability and reliability in mind, this piston is designed to address common failure points of the original part, providing a long-lasting and effective repair.
Superior Durability: It's constructed with higher-quality materials and manufacturing processes than the stock part, specifically designed to eliminate the cracking issues often found in original Maxx Force 7 pistons.
Enhanced Performance: Features like a compensated ring groove ensure a perfect seal, improving oil control and combustion efficiency. The piston's expansion-controlled design also helps to reduce engine noise and emissions.
Reduced Friction: This piston uses MAHLE's advanced GRAFAL® anti-friction coating, a graphite-impregnated resin that significantly reduces friction and wear o[...]
- Superior Durability: It's constructed with higher-quality materials and manufacturing processes than the stock part, specifically designed to eliminate the cracking issues often found in original Maxx Force 7 pistons.
- Enhanced Performance: Features like a compensated ring groove ensure a perfect seal, improving oil control and combustion efficiency. The piston's expansion-controlled design also helps to reduce engine noise and emissions.
- Reduced Friction: This piston uses MAHLE's advanced GRAFAL® anti-friction coating, a graphite-impregnated resin that significantly reduces friction and wear on the cylinder bore. This leads to smoother operation, improved reliability, and a longer life for your engine.
- Piston Rings Included: No
- Bore (in.): 3.858 in.
- Bore (mm): 98.000mm
- Stroke: 4.130 in.
- Engine Stroke Type: Stock
- Piston Style: Dish, with no valve reliefs
- Piston Material: Forged aluminum
- Wrist Pin Style: Floating
- Wrist Pin Retainers Included: Yes
- Wrist Pin Included: Yes
- Pin Diameter (in.): 1.516 in.
- File Fit: No
- Gapless: No
- Remanufactured: No
- Quantity: Sold individually, 8 needed per application