1. Universal Fitment – Compatible with major European & American vehicles (for BMW X3/X5/3 Series/5 Series,for Mercedes C-Class/E-Class/GLC/GLE,for Audi Q5/Q7/A4/A6,for VW Tiguan/Atlas,for Buick Enclave/Encore GX/Envision/LaCrosse/Regal,for Silverado/Equinox/Tahoe/Traverse/Suburban/Colorado,for Volvo XC60/XC90,etc.), ideal for radiator, water pump, and heater core hose connections. 2. OE: 17128623572, NW6, Thermostat Upper & Lower Coolant Hoses Connector Kit for BMW-Compatible 3 Series,F30,F31,F34,F35,5 Series,F10,F11,G30,G31,7 Series,F22,X3,F15,X5,F25,X1-Engine Cooling System Repair,Heater tube Junction Flange,Coolant Hose Connector Adapter. 3. Leak-Proof Design – Precision-machined grooves with reinforced O-rings ensure airtight sealing, solving common coolant leakage issues. 4. Quick-Installation – Barbed ends and pre-attached stainless steel clamps for tool-free, 1-minute replacement. 5. NW6 Coolant Hose Connector Adapter,Radiator Pipe Line Fitting,Engine Heater Hose Assembly Junction Flange Repair Kit. OE: 17128623572, NW6, Thermostat Upper & Lower Coolant Hoses Connector Kit for BMW-Compatible 3 Series,F30,F31,F34,F35,5 Series,F10,F11,G30,G31,7 Series,F22,X3,F15,X5,F25,X1-Engine Cooling System Repair,Heater tube Junction Flange,Coolant Hose Connector Adapter. Upgrade Your Cooling System with Professional-Grade Reliability. -The Coolant Hose Connector is engineered for drivers who demand durability and precision. Coolant Hose Connector Adapter,Radiator Pipe Line Fitting,Engine Heater Hose Assembly Junction Flange Repair Kit. Why Choose Us? - OEM Replacement Quality: Matches factory specs for Mercedes M276 engines, BMW N55 cooling lines, and VW/Audi EA888 platforms. - Stress-Tested: 1000+ thermal cycles validated in SAE J20-certified labs. - Eco-Friendly: Zero PVC materials, compliant with CARB regulations. Compatibility List (Partial): - for BMW: 3 Series,5 Series, X3,X5 (2010-2025) - for Mercedes-Benz: C300, E350,C-Class,E-Class,GLC,GLE - for Audi: Q5,Q7,A4,A6 - for VW: Tiguan,Atlas - : Silverado,Equinox,Tahoe,Traverse,Suburban,Colorado - for Volvo: XC60,XC90 - for Buick: Enclave,Encore GX,Envision,LaCrosse,Regal - Trucks: for Ford F-150 Ecoboost, for RAM 1500 Hemi ⚠️ Warning: Always check coolant type compatibility (OAT/HOAT) before installation.