The SunCoast 618-DBP Direct Billet Piston is a heavy-duty upgrade designed for Dodge 47RE and 48RE automatic transmissions. Engineered to improve clutch apply consistency and transmission durability, this billet piston replaces the weaker factory stamped component commonly prone to distortion and sealing issues under high line pressure and demanding operating conditions.

Built for towing, racing, sled pulling, and high-horsepower Cummins applications, the SunCoast Direct Billet Piston helps provide more reliable clutch engagement and improved long-term transmission performance.

Features

• Heavy-duty billet direct piston design
• Designed for 47RE and 48RE automatic transmissions
• Improves clutch apply consistency and sealing performance
• More durable than factory stamped pistons
• Helps reduce piston distortion under high pressure
• Ideal for towing, racing, and high-performance applications
• Precision-machined for exact fitment
• Improves transmission reliability under heavy load conditions

Why Upgrade the Direct Piston?

The factory direct piston can become a weak point in performance transmission builds due to heat, line pressure, and clutch loading. Distortion or sealing issues can lead to inconsistent shifts and premature clutch wear. The SunCoast Billet Direct Piston is engineered to provide improved strength and sealing performance for demanding diesel applications.

Vehicle Fitment

• 1994-2007 Dodge Ram 2500 5.9L Cummins
• 1994-2007 Dodge Ram 3500 5.9L Cummins
• Fits trucks equipped with 47RE or 48RE automatic transmissions

Built for Serious Cummins Performance

Whether your truck is used for towing, hot shot driving, competition, or street performance, the SunCoast 618-DBP Direct Billet Piston provides the strength and reliability needed for demanding transmission builds.

Part Number: 618-DBP

Note: Professional installation is recommended when servicing internal transmission components.