ATI Damper for Cummins 4BT 6BT 3.9L 5.9L Diesel 8.074in Steel 8 Groove 3 Ring

ATI Harmonic Balancer / Damper for Cummins 4BT & 6BT (3.9L & 5.9L) Brand: ATI — engineered for durability and precision. This heavy-duty steel damper measures 8.074 inches with an 8-groove pulley and a 3-ring design, specifically built for Cummins 4BT and 6BT diesel engines (3.9L & 5.9L). Key Features Exact fit for Cummins 4BT/6BT (3.9L & 5.9L) applications. 8.074" diameter steel construction for long-lasting strength and resistance to wear. 8-groove pulley to support multiple accessory belts (alternator, A/C, power steering). 3-ring harmonic design to absorb torsional vibration and protect crankshaft longevity. Optimized for diesel duty cycles, towing, and high-hour applications. Benefits Improve engine smoothness, reduce crankshaft stress, and maintain accessory drive alignment with this OEM-quality ATI damper. Ideal for rebuilds, performance upgrades, and heavy-use diesel trucks. Specifications Material: Steel Diameter: 8.074 inches Pulley Grooves: 8 Ring Count: 3 Compatibility: Cummins 4BT, 6BT (3.9L & 5.9L) Upgrade to ATI for reliable vibration control and durable accessory drive performance on your Cummins diesel.