US Motor Works 22178 Engine Cooling Fan Clutch

Engine Cooling Fan Clutch for Lexus LS400

US Motor Works 22178 is an engine cooling fan clutch for select Lexus LS400 applications from 1990-2000. It is built for direct-fit cooling system service and includes fan mounting hardware, with manufacturing made in the USA.

Key Features

• Engine cooling fan clutch for the Lexus LS400
• Includes fan mounting hardware
• Made in the USA
• Direct replacement part number 22178
• Cross-references Hayden 2656 for the same application

Fitment Details

• Fits 1990-2000 Lexus LS400, N/A

Product Overview

This US Motor Works fan clutch is intended for Lexus LS400 cooling system repair where the original clutch no longer regulates fan engagement correctly. Part number 22178 is listed for 1990-2000 Lexus LS400 applications and is a practical choice when servicing overheating concerns, noisy fan operation, or inconsistent engine cooling performance. This part cross-references Hayden 2656 for the same application.

Common Issues It May Address

• Engine temperature running higher than normal
• Cooling fan engagement that is delayed or inconsistent
• Excessive fan noise from a worn clutch
• Reduced airflow through the radiator at idle or low speed
• Cooling system performance loss on a Lexus LS400

Installation Notes

Verify vehicle fitment by year before installation on a 1990-2000 Lexus LS400. Inspect the fan assembly, mounting points, and surrounding cooling components during service. Confirm proper alignment and secure installation of the fan clutch and related hardware before returning the vehicle to service.

Quality Assurance

US Motor Works identifies this part as made in the USA, supporting consistent manufacturing standards for cooling system service.