Coolant Water Hose Fitting for BMW N55 N54 N53 N52 N20 11537541992 11537544638

Coolant Water Hose Fitting for BMW

This coolant water hose fitting is a direct-fit replacement connector for BMW N55, N54, N53, N52, and N20 engines, cross-referenced to OEM part numbers 11537541992 and 11537544638.

Overview

This coolant water hose fitting is designed to restore a secure, leak-free connection on BMW N55, N54, N53, N52, and N20 cooling systems. Built to match OEM dimensions, the fitting replaces worn or cracked original connectors so coolant flows as intended. It is a practical choice for mechanics and DIY owners servicing these engines.

Built For Performance

• Precision-molded to match OEM 11537541992 and 11537544638 dimensions
• Heat-resistant construction suited to sustained engine bay temperatures
• Direct-fit design for straightforward replacement of the original fitting
• Resists coolant degradation and cracking over repeated thermal cycles
• Seals securely against the mating hose and housing surfaces

Fits These Machines

• for BMW models equipped with the N55 engine
• for BMW models equipped with the N54 engine
• for BMW models equipped with the N53 engine
• for BMW models equipped with the N52 engine
• for BMW models equipped with the N20 engine

On-The-Job Use

• Cooling system repairs and refreshes
• Replacing cracked or leaking factory hose connectors
• Routine maintenance during water pump or thermostat service
• Restoring proper coolant circulation after a hose failure

Specs At A Glance

Good To Know

Q: Will this fitting fit any BMW with these engines? A: Fitment can vary by model and production year, so confirm the OEM part number on your existing fitting matches 11537541992 or 11537544638 before ordering.

Q: Does this include the hose as well? A: This listing covers the coolant water hose fitting only, so check whether your hose or clamp also needs replacing during the job.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.