Radiator Coolant Expansion Tank Bleeder Screw with Rubber O-Ring, Coolant Air Bleeder Screw Replacement OEM 17111712788 Brass Radiator Drain Plug

【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

Manufacturer: ‎QQWD Brand: ‎QQWD Model: ‎QQWD-SRPYS01 Item Weight: ‎0.3 ounces Product Dimensions: ‎3.6 x 2.6 x 0.6 inches Item model number: ‎QQWD-SRPYS01 Manufacturer Part Number: ‎QQWD-SRPYS01 ASIN: B0FNRJ5TLY Date First Available: August 26, 2025