Autotecnica FD0712940 Engine Coolant Thermostat / Water Inlet Assembly

Engine Coolant Thermostat Assembly

Autotecnica FD0712940 is an engine coolant thermostat and water inlet assembly built for direct replacement on select Ford and Mercury applications. It uses an OE-style housing layout with a temperature-stable PA-66 housing, stainless steel thermostat components, and an 87-degree opening temperature for consistent coolant flow control.

Compatible with threaded-type housing applications on the Ford Explorer, Explorer Sport, Explorer Sport Trac, Ranger, and Mercury Mountaineer, this assembly is made for straightforward bolt-on service and reliable hose connection sealing. Autotecnica FD0712940 also includes a gasket or seal and temperature sensor where applicable.

Key Features

• OE-style thermostat housing assembly for direct replacement
• 87-degree opening temperature for regulated engine warm-up and cooling control
• PA-66 housing material helps resist warping and cracking
• Stainless steel thermostat construction
• Black finish
• Gasket or seal included
• Mounting hole diameter: 7.4 mm
• Autotecnica FD0712940 cross-references Dorman OE Solutions 902-204 and Gates CO34736 for the same application

Detailed Description

Autotecnica FD0712940 is a thermostat housing assembly designed to match factory housing dimensions for a secure fit and dependable coolant routing. The high-flow OE-style design supports proper engine cooling performance, while the temperature-stable housing material helps maintain sealing integrity under heat cycling. This part number is used on 1997-2001 Ford Explorer, 2001 Ford Explorer Sport, 2001 Ford Explorer Sport Trac, 2001 Ford Ranger, and 1998-2001 Mercury Mountaineer threaded-type housing applications.

For buyers searching for a Ford Explorer thermostat housing, Ford Ranger coolant thermostat assembly, or Mercury Mountaineer water inlet assembly, FD0712940 provides a direct replacement format that aligns with the original mounting and hose connection layout. The included sensor provision where applicable supports vehicles that use an integrated temperature sensor in the housing assembly.

What It Helps Fix

• Coolant leaks at the thermostat housing or water inlet
• Cracked or warped housing from heat exposure
• Sticking thermostat that affects engine temperature control
• Improper sealing at hose or gasket interfaces
• Temperature sensor service issues on applicable vehicles

Installation Notes

Verify threaded-type housing fitment before installation. Clean the mating surfaces thoroughly, inspect the hose connections, and replace any damaged coolant seals during service. Confirm the 87-degree thermostat specification matches the original application requirements before reassembly. This part is intended for direct bolt-on replacement on the listed Ford Explorer, Ford Ranger, and Mercury Mountaineer applications.

Quality Assurance

Autotecnica manufactures this thermostat housing assembly to factory-style dimensions for consistent fit and function. FD0712940 is backed by a 24 Month Unlimited Mileage Warranty.