HPS Performance Silicone Transmission Oil Cooler Coolant Hose Kit, Mack Trucks 2007 2016 MP7 Engine Replace OE Part # 20934539 , 21548313 , 24926501 , 21209748, Blue, 57 1721 BLUE The Bridge Church of The Bridge Church of Alabama. Key Features Ideal replacement or performance upgrade for old, damaged OEM transmission oil cooler coolant hoses which weaken and fail over time. Withstand harsh high temperature and high pressure operating conditions while maintaining peak performance during daily driving. Max. temperature rating: 500F (260C). Includes HPS stainless steel spring loaded T bolt clamps for a high strength, 360 degree seal regardless of temperature and pressure fluctuations. Made with 6 plies of aramid reinforced silicone to ensure long lasting quality over the stock rubber hoses. Replaces OEM PN: 20934539, 21548313, 24926501, 21209748. This HPS Ultra High Temp 6 ply Aramid Reinforced Silicone Transmission Oil Cooler Hose Kit is designed to replace your OEM rubber transmission oil cooler hoses which weaken and fail over time. Made with premium silicone and reinforced with 6 layers of aramid, this hose kit can withstand the harshest high temperature and high pressure operating conditions of up to 500F and over 100 PSI. HPS silicone hose kits have all the correct bends and dimensions for a well fit replacement of worn out and damaged OEM rubber hoses. Compared to the universal hoses from the local auto store, HPS silicone hose kits are much easier to work with. This kit includes HPS stainless steel spring loaded T bolt hose clamps for an easy installation. Vehicle Application 2007 2016 Mack Trucks MP7 Engine