Radiator Coolant Expansion Tank Bleeder Screw with Rubber O-Ring, Coolant Air Bleeder Screw Replacement OEM 17111712788 Brass Radiator Drain Plug Compatible with BMW X3 X5 Z3 Z4

Radiator Coolant Expansion Tank Bleeder Screw with Rubber O-Ring

• 【Replacement Part Number】This brass radiator drain plug is a direct replacement for original equipment manufacturer part #17111712788. Precision-engineered to original equipment manufacturer specifications, it seamlessly fits your vehicle's cooling system and delivers reliable performance. No modification required
• 【High Quality】 Made of corrosion-resistant solid brass, this automotive coolant bleed screw ensures excellent corrosion resistance against coolant chemicals, extreme temperatures, and abrasion, ensuring it won't break after long-term use
• 【Excellent Sealing】Integrated high-temperature resistant rubber O-rings create an airtight seal, preventing coolant leakage and air ingress. This is crucial for maintaining proper cooling system pressure and preventing engine overheating
• 【Compatibility】Our product is compatible with more than 20 BMW models, including the popular X Series (X1, X3, X5), Z Series (Z3, Z4), and electric chassis (E36/E46 3 Series, E90/E92, E39 5 Series, E83 X3, E85 Z4, E31/E34/E38). Please be sure to check the OEM number, model, and year before ordering to ensure it will fit
• 【Precision Fit】This screw has an M10 (0.39-inch) mounting diameter, a 0.6-inch upper diameter, and a total height of 0.63 inches. The O-ring has an inner diameter of 0.35 inches and an outer diameter of 0.55 inches. Installation is easy; simply slip the included rubber O-ring over the bleed screw and screw the bleed screw into your car's coolant tank opening