Model Compatibility: Fits vehicles equipped with F20N, F21N, F22, and F23 engine variants as specified in the title. Part Type: Replacement automobile water pump radiator coolant hose designed to match the ’s functional role. Application Specificity: Intended solely for use in cooling system configurations associated with the F20N, F21N, F22, and F23 engine models. Functional Purpose: Restores coolant flow path between water pump and radiator consistent with factory-installed hose. Identification Reference: Identified by part reference number 17128602027 as stated in the product title., Manufacturer: dZUgpbVHv