NONSTOP AUTO Radiator Expansion Coolant Water Tank Cap for Ford Fiesta, Focus, Mondeo, Transit MK7 MK8, Custom, Volvo S40 V50 XC60, Mazda 2 3 5 OEM 1301104, 3M5H8100AD, 5193938, DG938101AA

VEHICLE COMPATIBILITY: Specifically designed for a wide range of Ford models including Fiesta (2008-On), Focus, Mondeo, Transit MK7/MK8, and Transit Custom. Also compatible with Volvo (C30, S40, V50, S60, XC60), Mazda (2, 3, 5), and Land Rover Freelander II / Evoque models. FUNCTIONAL REPLACEMENT: Serves as a direct replacement for the original radiator expansion water tank cap. Engineered to maintain the required pressure in the cooling system to prevent coolant overflow and engine overheating. MATERIAL SPECIFICATIONS: Manufactured from reinforced automotive-grade plastic. The internal sealing and valve components are designed to withstand high thermal stress and cooling system pressures according to standard operational requirements. DIRECT FIT INSTALLATION: Designed as a "screw-on" direct replacement for original equipment. Matches the factory thread and pressure rating specifications of the coolant expansion tanks for the V362, V363, and other listed chassis. OEM PART NUMBER MATCH: Replaces original equipment manufacturer (OEM) part numbers 1301104, 3M5H8100AD, 3M5H8100AC, 1224233, and 5193938. Please cross-reference your existing cap with these references to ensure correct system pressure match.