R23534762W
Long Block Plus - MB4000, EGR, Western Star, EPA04
Detroit Diesel

This long block assembly is a critical component for maintaining optimal engine performance in Western Star trucks equipped with the MB4000 EPA04 system. Designed as a comprehensive replacement for the engine core, it includes essential internal parts that ensure seamless operation and durability. Its construction incorporates robust materials to withstand harsh operating conditions, delivering long-lasting reliability. The integration of this long block simplifies engine overhaul procedures, reducing downtime and labor costs. Its compatibility with EGR systems enhances emissions compliance while maintaining engine efficiency. The unit's precise engineering ensures proper fit and function, supporting consistent power output and fuel economy. This part plays a vital role in preserving engine integrity, preventing premature failures, and maintaining vehicle uptime. When sourced from Source One Parts Center, customers gain assurance of quality and support, ensuring their engine rebuild or replacement is backed by trusted expertise and prompt service.