4-Ring Accumulator Piston

• Ensures smoother shifts and more consistent power delivery
• Extended Transmission Life
• Withstands high heat and stress
• Designed for easy installation

Maximize Your Performance

Transform your 1994-2007 Dodge Ram 2500/3500 5.9L Cummins with the SunCoast 4-Ring Billet Accumulator Piston”the ultimate solution for smoother, more reliable transmission performance. Unlike the stock 2-ring composite piston, which is prone to breakage and leaks, this billet aluminum upgrade is engineered for durability and efficiency. By eliminating cross leaks and enhancing fluid pressure control, it delivers crisper shifts, reduces wear on your transmission, and extends the overall lifespan of your truck. Whether you tow heavy loads, hit the trails, or just demand more from your Cummins, this upgrade is a game-changer for both performance and peace of mind.

Built Tough for the Long Haul

Crafted from high-quality billet aluminum, the SunCoast 4-Ring Accumulator Piston is designed to withstand the intense demands of your Cummins engine. The addition of two extra sealing rings ensures superior fluid containment, eliminating the weak points of the factory plastic piston. With improved sealing and enhanced durability, this piston reduces the risk of transmission damage, ensuring optimal performance even under extreme conditions. Engineered to exacting standards, it's the smart choice for anyone looking to upgrade their truck's transmission for long-lasting reliability.