Motorad CH5139 Engine Coolant Water Outlet - Lower

Engine Coolant Water Outlet for Ford and Mazda

The Motorad CH5139 engine coolant water outlet is built for vehicles that need a reliable lower thermostat housing connection in the cooling system. It is a plastic, black outlet with a 1.08 in outlet diameter, gasket or seal included, and bolts included for installation.

Compatible With Ford Ranger, Explorer, Explorer Sport Trac, Mustang, Explorer Sport, Mercury Mountaineer, and Mazda B4000 applications listed below, this part is a direct-fit cooling system replacement for select 2001-2011 models. The Motorad CH5139 is also cross-referenced to OE-style replacement numbers for the same application.

Key Features

• Engine coolant water outlet / lower housing replacement
• Plastic construction with black finish
• 1.08 in outlet diameter
• Gasket or seal included
• Bolts included
• Three mounting holes for OE-style fitment
• Thermal shock validated and 100% leak tested
• Built to meet or exceed OEM standards

Detailed Product Overview

Motorad CH5139 is manufactured to OEM quality standards by an OE supplier using proprietary materials selected for demanding cooling-system conditions. It is designed as a lower coolant outlet housing for select Ford, Mercury, and Mazda vehicles, including Ford Explorer and Ford Mustang applications. The housing is engineered for proper coolant routing and sealing at the thermostat housing connection.

This part cross-references Dorman OE Solutions 902-060 and 902-1029 for the same application. Motorad CH5139 is a practical choice when replacing a worn, cracked, or leaking coolant outlet on compatible Ford Ranger, Explorer, and Mercury Mountaineer models.

Common Problems This Part Can Address

• Coolant leaks at the lower thermostat housing
• Cracked or heat-damaged plastic outlet housing
• Failed sealing surface at the coolant outlet
• Improper coolant flow caused by a damaged outlet assembly
• Cooling-system service needs on select Ford Explorer and Mustang applications

Installation Notes and Tips

Verify engine and sensor configuration before installation, especially on 2001 Ford Explorer lower housing applications that note sensor requirements. Inspect the mating surface, replace damaged seals as needed, and confirm the outlet diameter and mounting-hole layout match the original part. Always refill and bleed the cooling system according to the vehicle service procedure after installation.

Quality Assurance

The Motorad CH5139 is thermal shock validated and 100% leak tested. It is manufactured to meet or exceed OEM standards for select Ford, Mercury, and Mazda cooling-system applications.