MAHLE 224-3985WR-0.25MM PISTON WITH RINGS (.25MM) FOR 2011-2016 GM 6.6L DURAMAX ENGINE

The MAHLE 224-3985WR-0.25MM Piston with Rings is specifically crafted for the 2011-2016 GM 6.6L Duramax engine, ensuring optimal performance and reliability for your heavy-duty pickup truck. Designed to meet stringent OEM specifications, this piston set provides a perfect fit, facilitating smooth installation and enhanced engine efficiency.

• Part Number: 224‑3985WR‑0.25MM

• Type: Oversized piston and ring assembly (0.25 mm overbore)

• Design: High-precision OE-grade pistons featuring coated skirts to reduce friction and wear. Includes rings matched to piston bore
  

Vehicle Fitment

• Engine Compatibility: Designed for GM’s 6.6 L Duramax diesel (LML/LGH engines)

• Model Years: 2011–2016 Chevrolet and GMC trucks and vans
  

 Featured Specifications

• Oversize: +0.25 mm to accommodate engine block boring

• Compression Adjustment: Slightly reduced, beneficial for modified or rebuilt engines
  

• Quantity: Sold per piston—but must order a complete set of 8 for a full engine rebuild
  

• Bored & Rebuilt Engines: A must-have for blocks that have been machined for wear or damage—ensures perfect fit and proper compression

• Performance Builds: Slightly reduced compression can be advantageous when running aftermarket tuning or fuel systems

• MAHLE OE Quality: Meets strict durability standards; coated skirts help reduce scuffing and wear during break-in

? Summary Table

The MAHLE 224-3985WR-0.25MM Piston with Rings is engineered to elevate the performance of 2011-2016 GM 6.6L Duramax engines, ensuring dependability for heavy-duty truck enthusiasts. Crafted to adhere to original equipment manufacturer (OEM) specifications, this oversized piston and ring assembly (0.25 mm overbore) seamlessly integrates into your engine, promoting enhanced efficiency and reliability.

Featuring high-precision OE-grade construction, the MAHLE piston boasts advanced coated skirts designed to minimize friction and wear, facilitating a smoother operation under high-stress conditions. Each piston ring is meticulously matched to the piston bore for optimal sealing and performance. This level of detail not only supports a better fit but also aids in maintaining the engine's longevity—vital for any serious truck owner.

Ideal for GM’s 6.6L Duramax diesel engines (LML/LGH), this piston set is necessary during engine rebuilding or modifications. The slightly reduced compression ratio can offer advantages when paired with aftermarket tuning or fuel systems, making it a perfect choice for performance builds. Additionally, the MAHLE piston is essential for engine blocks that have been bored and rebuilt, ensuring proper fitment and compression restoration.

Sold individually, a complete set of eight pistons is required for a full engine rebuild, making it an essential investment for those looking to restore their vehicle’s performance. Upholding MAHLE’s high standards, these pistons meet strict durability benchmarks and feature coatings that help prevent scuffing and wear during initial break-in, securing their place as a preferred choice for Duramax engine enhancements.

Discover the power of precision engineering with the MAHLE 224-3985WR-0.25MM Piston with Rings and experience superior performance where it matters most.