NPR SDF30029-4 Piston Ring Set for Ford Power Stroke Diesel - 6.0L

The NPR SDF30029-4 piston ring set is precision-engineered for 2003-2010 Ford 6.0L Power Stroke Diesel Turbo engines. Manufactured by Nippon Piston Ring Co., Ltd., a Japanese company established in 1931 as Japan's first piston ring manufacturer, this set delivers OEM-quality performance and reliability for demanding diesel applications.

Premium Construction and Materials:

• High-alloy steel construction provides superior strength and durability compared to traditional cast iron rings
• Advanced surface treatments including nitriding and PVD coating enhance wear resistance and longevity
• Precision-ground faces ensure optimal sealing and reduced oil consumption
• Engineered to meet JIS (Japanese Industrial Standard) B8032-6-1998 specifications

Performance Benefits:

• Minimizes friction and reduces component wear for extended engine life
• Superior combustion gas sealing improves performance and fuel efficiency
• Exceptional heat resistance maintains integrity under high-temperature diesel operation
• Optimized oil control reduces consumption and emissions
• Thinner, lighter design seals more completely against ring grooves

NPR has been supplying Original Equipment Manufacturers including Toyota and Lexus since 1973, and continues to deliver consistently higher levels of performance through extensive product testing. This ring set provides the quality and precision your Power Stroke diesel engine demands for reliable, long-lasting performance.

Replaces OEM Part Numbers: Fel-Pro 3C3Z-6148-AA, 4C3Z-6148-AA