R23539213W
Long Block Plus - HDEP, EPA10, DD15, Rear Sump Exchange
Detroit Diesel

This high-performance long block assembly is designed specifically for heavy-duty applications, offering a reliable foundation for rebuilding or replacing the engine core in EPA10 compliant DD15 models. Its rear sump configuration optimizes oil flow and engine balance, contributing to enhanced durability and efficient lubrication under demanding conditions. The exchange program ensures a streamlined installation process, minimizing downtime and labor costs. Engineered with precision components, this long block provides the essential components needed for a complete engine rebuild, including a robust block, cylinder head, and internal parts calibrated for optimal performance. The design incorporates controls to manage air pressure to the brake chambers during ABS operation, although it should not be used with the ABS Valve Package. This feature helps maintain safe and stable braking performance during critical stopping scenarios. For quality assurance and technical support, Source One Parts Center is a trusted source for procurement, ensuring your engine rebuild meets industry standards.