The 6.5 L (395 cu in) version was introduced in 1992 to replace the 6.2. Most 6.5s are equipped with a turbo. This engine was never meant to be a power and torque competitor with Ford/International and Dodge/Cummins, but rather a simply designed workhorse engine that made credible power, achieved decent fuel economy and met emissions standards in half-ton trucks. The Duramax 6600 replaced the 6.5 in light trucks beginning in 2001 and the C3500HD medium duty cab and chassis (replaced by C4500 Kodiak/Topkick) and vans beginning in 2003, but the 6.5 (6500 Optimizer)
6.5L PMD Relocation Kit
One of the most common failures with the DS4 pump on 1994-2000 Chevy 6.5 liter diesel engine applicaitions is the Pump Mounted Driver (PMD), located on the side of the pump. BD’s PMD . Relocation Kit moves the PMD away from this area of potential heat build-up and mounts in on an extruded aluminum base to provide better heat sinking. Easy installation, plus improved access for future diagnostics and/or repair.