Resistant to grease and dirt for easy cleaning even in dirty engine compartments, with overflows hose connection to relieve pressure buildup and coolant loss Perfectly fit for S500 models, designed to replace part number 2225014191 / A2225014191 Make of ABS that resists wear, cracking and maintains durability under harsh engine conditions while providing smooth coolant flows Function: Carefully designed to maintain optimal coolant flows between the expansion tanks and engine block, reducing the risk of overheating and engine failure Simple installation process requires none complex procedures, saving time and effort while ensuring stable connection between radiator and reservoir tanks, Manufacturer: YUGSHNKFC