Genuine 17127526954 Radiator Coolant Hose

Radiator Coolant Hose for BMW 745i and 745Li

This Genuine radiator coolant hose, part number 17127526954, is a direct-fit cooling system hose for select BMW 7 Series models. It routes coolant from the water pump and is listed for 2003-2005 BMW 745i and 745Li applications with the noted production timing.

Key Features

• Genuine OE replacement radiator coolant hose
• Part number 17127526954 for easy identification
• Fits coolant routing from the water pump
• Compatible with select BMW 745i and BMW 745Li models
• Built for factory-style fitment in the cooling system

Detailed Description

Use this Genuine coolant hose to replace a worn, cracked, or leaking hose in the engine cooling circuit. It is listed for Fits 2004-2005 BMW 745i, N/A; Fits 2004-2005 BMW 745Li, N/A; Fits 2003 BMW 745i, N/A; and Fits 2003 BMW 745Li, N/A, with the note From 9/2003; From Water Pump where applicable. The part number 17127526954 is the reference to verify before ordering, especially when servicing a BMW 745i or BMW 745Li cooling system.

This part cross-references common OE-style replacement listings for the same application.

What It Helps Fix

• Coolant leaks at the hose body or connection points
• Cracking from heat cycling and age
• Softening or swelling that affects hose integrity
• Loss of coolant flow from a damaged water pump hose
• Cooling system service needs on BMW 745i and BMW 745Li models

Installation Notes and Tips

Confirm the part number and vehicle production date before installation. Inspect adjoining cooling system components, including clamps, fittings, and the water pump outlet, for wear or residue before installing the new hose. After installation, refill and bleed the cooling system according to BMW service procedures to remove trapped air.

Quality Assurance

Genuine parts are sourced to OE specifications for the listed application. Verify fitment against your VIN and the existing hose routing before purchase.