NPR SWH33003-2 Piston Ring Set

The NPR SWH33003-2 is a premium piston ring set manufactured in Japan by NPR of America, a wholly owned subsidiary of Nippon Piston Ring Co., Ltd. This complete ring set is precision-engineered from high-quality steel materials to deliver superior engine protection and performance in demanding automotive applications.

Key Features:

• Manufactured in Japan to exacting quality standards
• Premium steel construction for exceptional durability and wear resistance
• Precision-engineered design minimizes friction and reduces wear
• Advanced surface treatments including chrome and ferrox coatings for enhanced longevity
• Complete ring set includes compression rings and oil control rings
• Designed to improve compression and reduce oil consumption
• Exceptional heat and wear resistance for extended service life

NPR has been a trusted supplier to Original Equipment Manufacturers including Toyota and Lexus since 1973, delivering consistently high-quality internal combustion engine components. These piston rings are engineered to meet JIS (Japanese Industrial Standard) specifications and provide optimal sealing, improved engine efficiency, and reliable performance even in the most demanding operating conditions.

OEM Cross-Reference: Replaces Honda/Acura part numbers 13011-5A2-A11, 13011-R40-A12