- Direct replacement to OEM parts number J-44642 or J44642.
- This heavy duty tool is will fit 2001-Later GMT800, 2500HD and 3500 with 6.6 liter Duramax diesel engine.
- Our tool is designed to install the seal to correct depth and alignment. The fitment of the inner and outer seal bodies is critical and any misalignment can result in leakage.
- Simply place the seal onto the end of the crankshaft. Screw the installer into the end of the crankshaft. Turn the forcing screw so the body of the tool can push on seal until it bottoms in the block.
- Oni Tools ensures quality products and stands behind top of the line manufacturing. We guarantee our products to last and offer support along the way.
Awesome deal! Excellent J-44642 replacement works flawlessly for a 6.6L Duramax engine.
Very Affordable and Durable
The Rear Crankshaft Seal & Wear Sleeve Installer replacement is both afforable and durable. Great Investment!
The Rear Crankshaft Seal & Wear Sleeve Installer was handed promptly and the quality is well made.
The J-44642 substitute has outstanding quality. superior to other auto shops in both quality and price.
Great Customer Assistance!
Great customer service. Product came in quick and the value is very affordable.