{"product_id":"ousimy-electric-water-pump-bmw-n20","title":"OUSIMY Electric Water Pump \u0026 Thermostat Assembly for BMW 328i 428i 528i X1 X3 N20 | OE 11517604027","description":"\u003cp\u003eOE Part Numbers: 11517604027\u003c\/p\u003e\n\u003cp\u003eOUSIMY Electric Water Pump with integrated thermostat is a direct replacement assembly built for BMW N20 engine models including 328i, 428i, 528i, X1 and X3.\u003c\/p\u003e\n\u003cp\u003eProduct Basic Info: High-temperature resistant reinforced plastic housing paired with precision internal impeller and built-in thermostat. Mounted on the engine cooling circuit, compatible with N20 turbocharged engines. Fits BMW 328i, 428i, 528i, X1, X3 with N20 powerplant.\u003c\/p\u003e\n\u003cp\u003eCore Advantages: Reinforced heat-resistant casing prevents cracking under extreme operating temperatures. Optimized impeller delivers stable coolant flow to maintain ideal engine temperature. Our upgraded sealing structure fixes the common leakage issue found in stock water pumps. Pre-assembled thermostat removes extra matching work and speeds up bolt-on installation without modifications.\u003c\/p\u003e\n\u003cp\u003eCommon Problems This Part Fixes: Eliminates coolant leaks, engine overheating, heater low heat, whistling or grinding noises from the pump, fluctuating engine temperature, and premature thermostat failure. Electric water pump failure is a widely known N20 engine factory defect that often leads to repeated replacements.\u003c\/p\u003e\n\u003cp\u003eMatching OBD Fault Codes: P0128, P261A, P261B, P261C, P261D, P261E (Coolant Pump \/ Thermostat Malfunction Codes for BMW N20)\u003c\/p\u003e\n\u003cp\u003eShipping Benefit: Free shipping included. Fast dispatch from our warehouse, items ship out within 1–2 business days after payment confirmation.\u003c\/p\u003e\n\u003cp\u003eWarranty \u0026amp; DIY Friendly: 90-day manufacturer warranty. Complete pre-assembled unit ready for installation, suitable for professional repair shops and DIY mechanics.\u003c\/p\u003e\n\u003cp\u003eFitment List:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 328i N20\u003c\/li\u003e\n\u003cli\u003eBMW 428i N20\u003c\/li\u003e\n\u003cli\u003eBMW 528i N20\u003c\/li\u003e\n\u003cli\u003eBMW X1 N20\u003c\/li\u003e\n\u003cli\u003eBMW X3 N20\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/950170ca85574dba6992a43844cb0c86.jpg?v=1792980291\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/5d33d411db195bb1dab8f07464ba979f.jpg?v=1792980321\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/d12c5ade19ebd350f12b08318f50c81f.jpg?v=1792980331\" alt=\"\"\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OUSIMY","offers":[{"title":"Default Title","offer_id":56834680815921,"sku":"QMJZ0034-MKC-QT","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5848\/5553\/files\/a5326f2af59c68a1b2cbc7c8556e8e37.jpg?v=1792980239","url":"https:\/\/ousimy.com\/products\/ousimy-electric-water-pump-bmw-n20","provider":"OUSIMY","version":"1.0","type":"link"}