Genuine 17117541143 Radiator Coolant Hose - Lower

Overview

This Genuine radiator coolant hose, part number 17117541143, is a lower hose used in BMW cooling system applications with an automatic transmission oil cooler to radiator connection. It is a direct-fit replacement for specific BMW models and helps maintain proper coolant and fluid routing in the cooling circuit.

Key Features

• Genuine replacement hose for the cooling system
• Lower hose configuration for oil cooler to radiator routing
• Direct-fit application for select BMW platforms
• Part number 17117541143 for accurate ordering and service matching

Detailed Description

Part number 17117541143 is a Genuine radiator coolant hose engineered for lower cooling circuit routing between the automatic transmission oil cooler and the radiator. It is listed for BMW Z4, X1, 135i, 335is, 335i, 335i xDrive, and 335xi applications, making it a fitment-specific service part for BMW cooling system repair. Use this hose when replacing a worn, cracked, or leaking lower coolant line in the specified BMW models.

This Genuine hose is identified by part number 17117541143 and is intended for the lower connection in the oil cooler-to-radiator path. For BMW Z4 and BMW X1 cooling system service, as well as BMW 335i and related chassis applications, accurate fitment is important because hose routing and connection points vary by model and transmission setup.

What It Is Used For

• Replacing a leaking lower radiator coolant hose
• Restoring coolant flow between the radiator and oil cooler circuit
• Addressing cracked or aged hose material in the cooling system
• Correcting fitment issues on BMW cooling hose service jobs

Installation Notes and Tips

Verify the vehicle year, model, and lower hose routing before installation. This part fits BMW applications with an automatic transmission oil cooler to radiator connection, so confirm the existing hose path and connection style against the original part. Inspect adjoining fittings and sealing surfaces during service to help ensure a proper repair.

Quality Assurance

Genuine parts are supplied as original-equipment replacement components, giving technicians a factory-matched option for BMW cooling system maintenance. Part number 17117541143 should be matched carefully to the vehicle application for accurate service.