Coolant Hose Seal 32x4mm

The Volkswagen Ring. Seal. Hose. Coupling. (Front, Upper, Lower) is a crucial sealing component for your vehicle's cooling system. Made from durable synthetic rubber and manufactured in Germany, this aftermarket O-ring ensures a leak-free connection between coolant pipes, hoses, and various engine components like the thermostat housing and coolant temperature sensor. Its primary function is to maintain the integrity of the cooling system by preventing coolant loss. This specific O-ring measures 32mm in diameter and has a 4mm thickness, often described as 32 x 4mm. The product is an OE replacement part, with the part number N90765301. This seal is compatible with a wide range of Volkswagen and Audi models, including various iterations of the Beetle, Golf, Jetta, Passat, and others, across numerous engine displacements (e.g., 1.4L, 1.8L, 1.9L TDI, 2.0L, 2.5L, 3.2L, 3.6L) and transmission types (Automatic, Manual). Specific fitment details are extensive and often include notes on transmission type, drive, and engine codes. When installing, ensure mating surfaces are clean and lightly lubricate the O-ring with coolant or a compatible lubricant to prevent damage during installation. Failure to properly seal can lead to mysterious water leaks, physical damage or flattening of the seal, and potentially low coolant warnings on the dashboard.