Oil Cooler Seal Install Kit 10263 For GM 6.6L Duramax 2001-2010 LB7 LLY LBZ LMM Features: 1. Application: Fits for 2001-2010 GM Duramax 2500/3500 Diesel 6.6L. 2. Replacement: Everything to install/replace your engine oil cooler, replace for part number of 10263 . 3. Feature: An easy way to test the oil cooler is to remove the oil filter and pressure test the cooling system. 4. Installation Tips: ⑴ We suggestion would be to do it when you replace the water pump because the coolant tube can be moved much more. .
