【Fitment】Specifically designed for Stanadyne and for Roosamaster DB, DB2, and JDB style diesel fuel injection pumps that utilize umbrella-style seals. 【Replacement】The Injection Pump Seal Tool was replaced for 13371, the drive shaft seal installation tool was replaced for 22727, drive shaft seals were replaced for 10453. 【Function】The Injection Pump Seal Tool in this kit are engineered to prevent damage to the delicate umbrella seals during the installation process. The drive shaft seal compression tool effectively installs the seals into the pump, while the drive shaft seal installation tool safely installs the seals onto the shaft, safeguarding the integrity of the seals for optimal performance and long-lasting use. 【Easy Installation】With the included tools, the installation of drive shaft seals becomes a straightforward process. The 13371 compression tool simplifies the task of inserting the seal into the pump, and the 22727 installation tool ensures a seamless fit onto the shaft. 【Package Included】This comprehensive kit comes with everything you need for a successful drive shaft seal installation. It includes 1x drive shaft seal compression tool for installing the seals into the pump, 1x drive shaft seal installation tool for installing seals onto the shaft without damage, and 2x drive shaft seals. For Roosamaster for Stanadyne Drive Shaft Seal Install Tool Kit Diesel Fuel Injection Pump Drive Shaft Seal Installation Tool With Compression Tool & Drive Seals - for 13371 22727