【Wide Application】For ISUZU 6.6L 2001-up GMT800, 2500HD, 3500 with 6.6 liter Duramax diesel engine. Used On Modelc, for Chevy K Silverado-4WD 2001-2005, for Express 1998-2013, for Kodiak 1998-2010, for Savana 1998-2013, for Sierra 1999-2013. 【Premium Quality Materials】Made of high quality stainless steel with high strength and toughness. Anti corrosion and impact resistant to ensure excellent performance and lasting service time. 【Function Design】Alternative to parts number J-44645. J-44645 is designed to install the seal to correct depth and alignment. Proper assembly of the inner and outer seals is crucial to prevent leaks, and this tool ensures accurate positioning. 【Easy installation】Just put the seal on the end of the crankshaft. Screw the installer into the end of the crankshaft. Turn the force screw so the tool body can push the seal until it bottoms out in the block. 【SATISFACTION SERVICE 】If you are not satisfied with our products.You can request a full refund within 30 days to support a 12 month warranty. Contact us: If you meet any problem after receiving our product, please feel free to contact us. We will try our best to solve your problem. Shipping policy: Orders will be ship out within 1-2 business days after payment has cleared. Orders from Saturdays, Sundays or holidays will process on next business day and will be ship within 24 hours. Please allow 10-30 days for international deliveries. Some shipments could take longer subject to your local customs authorities. Return & Warranty: 1.We accept 30 days return guarantee for all Items If you are unsatisfied with something you bought from us, you may send it back within 30 days of receipt, and we shall be happy to exchange or refund. 2.Leave a message note in returned box quoting your item(s) ID and buyer ID. 3.All returned products must be in their original condition and packaging. Unfortunately, if products have been assembled or modified, we cannot take them as returns. 4.It is important that we know when your return is expected. Please save your return tracking number or post receipt, and email it to us. We need this in case there are any issues during transit. 5.Refund will only be issued upon our receipt of the returned parcel. Please allow 2 working days for us to process with your return About reply: If you have any questions, please feel free to email our service specialists 24 Hours a Day, 7 Days a Week, and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us. About Feedback: Please contact us before leaving Netural or Negative feedback if you are not satisfied our service or products. Good communication is helpful for both of us to resolve any problems and issues. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. If you are satisfied with our service, please leave FOUR 5-Detailed Selling Rating (DSR). Thanks!