Prevent leaks by properly aligning and installing crankshaft rear seals. This seal installer is a two-piece tool that mounts to the crankshaft and places force on both inner and outer seal bodies. Designed to press fit the seal properly without misalignment, which can cause leakage.

Applications include GM 6.6L Duramax diesel engines found in:

• 2001-Later GMT800 platform vehicles, including Chevrolet Silverado and GMC Sierra 2500HD, 3500
• 2001-Later GMT900 platform vehicles, including GMC Sierra HD and Chevrolet Silverado HD
• 2006-2016 Chevrolet Express, GMC Savana 

Similar to OE tool #J-44642.