InMotion WU4002 Engine Water Pump

Engine Water Pump Overview

The InMotion WU4002 engine water pump is built for direct cooling-system service on select Ford and Mercury applications. It focuses on coolant circulation, leak resistance, and OEM-style fit for straightforward replacement work.

• Precision-machined impeller for consistent coolant flow.
• High-quality bearings and seals for smooth operation.
• Corrosion-resistant housing for durability in demanding conditions.
• OEM fitment focus for easier installation and alignment.

Fitment Details

Compatible with select Ford and Mercury models from 1975-1983. Fits 1978-1983 Ford Fairmont, N/A; Fits 1983 Ford LTD, N/A; Fits 1979-1982 Ford Mustang, N/A; Fits 1980-1982 Ford Thunderbird, N/A; Fits 1983 Mercury Marquis, N/A; Fits 1978-1983 Mercury Zephyr, N/A; Fits 1979-1982 Mercury Capri, N/A; Fits 1980-1982 Mercury Cougar, N/A; Fits 1975-1977 Mercury Monarch, N/A, from 4/12/1975.

What It Helps Address

• Coolant circulation problems that can lead to overheating.
• Leaks caused by worn seals or aging pump components.
• Noisy or rough pump operation from bearing wear.
• Corrosion-related housing damage in the cooling system.

Installation Notes

Verify engine application and production date before installation, especially for Mercury Monarch models with the 4/12/1975 note. Confirm gasket surfaces, pulley alignment, and coolant condition during replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

InMotion builds this water pump with a machined impeller, durable bearings and seals, and a corrosion-resistant housing to support dependable cooling-system service.