840.RM90569, Rear Main Crankshaft Seal and Spacer, Compatible with Cummins (ISX, ISX12, ISX15, QSX15), Alternative to (4926527, 4965569, 4918688)

The 840.RM90569 Rear Main Crankshaft Seal & Spacer is engineered to provide a secure and long-lasting seal for Cummins ISX, ISX12, ISX15, and QSX15 engines, preventing oil leaks at the rear of the crankshaft. Designed as a direct replacement for 4926527, 4965569, and 4918688, this component ensures proper sealing and alignment for optimal engine performance.

This assembly includes both the rear main seal and spacer, offering a complete solution for maintaining proper crankshaft sealing. Built with high-quality materials, it is designed to withstand extreme temperatures, pressure, and continuous engine operation typical in heavy-duty diesel applications.

Ideal for engine rebuilds, repairs, and preventative maintenance, the 840.RM90569 helps maintain proper lubrication, protects engine components, and reduces the risk of costly oil leaks and downtime.