R23539594W
Long Block Plus - HDEP, GHG14, DD16, Western Star Front Sump Exchange
Detroit Diesel

This long block assembly offers a complete replacement solution designed specifically for heavy-duty applications requiring high durability and optimal performance. Built for models with GHG14 emissions standards and DD16 engines, it features a robust front sump exchange that simplifies installation and reduces downtime. The core of this assembly includes a precisely machined engine block, ensuring excellent internal alignment and longevity. Its design emphasizes heat dissipation and structural integrity, critical for demanding trucking operations. The assembly's construction supports efficient combustion, fuel economy, and emissions compliance, making it essential for maintaining engine reliability over extended service intervals. The inclusion of high-quality components ensures consistent performance, while the exchange process minimizes labor costs and vehicle downtime. For fleet managers and technicians seeking a dependable engine rebuild option, this long block provides a comprehensive, factory-quality solution. Source One Parts Center is a trusted source for sourcing such critical engine components, ensuring you receive genuine parts for your application.