Cometic C15062 Rear Main Crankshaft Seal for Cummins 3.9L 4BT 5.9L 6BT ISB 6.7L ISB Engines

The Cometic C15062 is a precision-engineered rear main crankshaft seal designed specifically for Cummins diesel engines. This critical seal prevents oil leakage at the rear of the crankshaft where it meets the flywheel housing, ensuring proper lubrication retention and preventing contamination of the clutch or torque converter.

Compatible Cummins Engine Applications:

• 3.9L 4BT four-cylinder diesel engines
• 5.9L 6BT six-cylinder diesel engines
• 5.9L ISB (Interact System B) engines
• 5.9L ISB Common Rail (CR) engines
• 6.7L ISB diesel engines

Key Features:

• Manufactured by Cometic Gasket, a trusted name in high-performance sealing solutions
• Precision-molded construction for accurate fitment and reliable sealing
• Designed to withstand the demanding operating conditions of Cummins diesel engines
• Direct replacement for OEM rear main seal
• Essential component for engine rebuilds, restorations, or leak repairs

This rear main seal is a critical maintenance item when performing engine work, transmission removal, or addressing oil leaks. Proper installation ensures long-lasting protection against oil loss and maintains engine efficiency across a wide range of Cummins diesel applications found in trucks, industrial equipment, marine vessels, and RVs.