PAI INDUSTRIES 505134 PISTON RING SET-.020 OVER BORE-OEM# 4089181 1989-2007 CUMMINS 5.9L 12V/24V

The PAI Industries 505134 Piston Ring Set is designed to provide exceptional performance and durability for your Cummins 5.9L 12V/24V engine. This .50mm over bore piston ring set is a direct replacement for the OE part number 4089181, ensuring a perfect fit and reliable operation.

Crafted for the Cummins QSB application, these piston rings are meticulously engineered and tested to meet or exceed OE standards. The genuine PAI product is backed by a generous 2-year warranty, giving you peace of mind and assurance in the quality of your purchase.

With a focus on precision and strength, PAI piston rings are manufactured using industry-leading materials and processes. Each ring is subjected to rigorous testing in heavy-duty diesel engines to ensure optimal performance and longevity, even in high-stress environments.

PAI Industries has been a trusted supplier of aftermarket heavy-duty diesel parts since 1973, and their commitment to quality is evident in their piston ring components. Whether you're in need of a top piston ring, intermediate piston ring, or oil control piston ring, PAI has you covered with a comprehensive range of products to meet your needs.

Choose PAI Industries for piston rings that offer unmatched reliability, quality, and performance for your Cummins engine. Trust in a brand that has a proven track record of delivering exceptional products for the most demanding applications.