TRQ Thermostat with Housing Assembly Compatible with Ford and Mazda

In this review the TRQ Thermostat with Housing Assembly is evaluated for its fit, build, and value for owners of late 2000s Ford and Mazda trucks. The bottom line: this unit is best for buyers who want a metal-bodied, ready-to-install replacement with a included gasket and a solid warranty, and who are willing to double-check fitment for their exact year and model. Our review finds the product excels in construction and ease of installation but has mixed fit reports that make careful application verification essential.

Key Features

• Alloy construction: The aluminum housing offers improved durability and heat resistance over many plastic aftermarket options, which helps long-term engine cooling reliability.
• Included gasket: The assembly ships with a gasket so the unit is ready to install without sourcing extra seals, saving time on a conservative repair job.
• Specified opening temperature: The thermostat opens at 198 Deg. F (92 Deg. C), matching OEM thermal control expectations for consistent engine operating temperature.
• Wide vehicle coverage: Fitment lists common V6 Ford Ranger and earlier Ford Explorer/Mazda B4000 years, making it a practical spare for multiple applications in that era.
• Warranty protection: TRQ backs the part with a 2-year / 24,000-mile product warranty, which covers replacement of the part itself for buyer reassurance.

Who It's For

This thermostat housing assembly is best for DIY mechanics and professional technicians working on 2004-2011 Ford Ranger V6 4.0L, 2001-2005 Ford Explorer Sport Trac, 2001 Ford Explorer Postal, and 2001-2009 Mazda B4000 trucks who prioritize a metal housing and an included gasket for a straightforward swap. It suits anyone replacing a failed thermostat or upgrading from a plastic housing to improve durability.

It is not ideal for shoppers who cannot confirm exact part compatibility with their VIN or vehicle year, since customers report mixed fit results; those individuals should consult a dealer or parts specialist before purchase to avoid returns or installation delays.

Pros & Cons

Pros

• Solid aluminum construction that reduces the chance of housing cracks compared with many plastic alternatives.
• Includes gasket for a complete replacement install without additional parts sourcing.
• Easy to install for those with basic mechanical skills, with many buyers reporting straightforward fit when matched correctly.
• Covered by a 2-year / 24,000-mile warranty on the product itself for added confidence.

Cons

• Fitment is mixed across user reports, so some buyers may find it does not match their vehicle and need to verify reference numbers first.
• There are isolated reports of temperature or overheating issues from a few users, which suggests careful post-install checks are prudent.

Specifications

Brand	TRQ
Material	Aluminum
Opening Temperature	198 Deg. F / 92 Deg. C
Includes	Gasket
Compatible Vehicles	2004-11 Ford Ranger V6 4.0L; 2001-05 Ford Explorer Sport Trac; 2001 Ford Explorer Postal; 2001-09 Mazda B4000
Warranty	2-year / 24,000-mile (product only)

Our Verdict

The TRQ Thermostat with Housing Assembly is a sensible value for owners seeking a metal replacement with an included gasket and a clear opening temperature specification; its aluminum build and warranty make it a durable choice for compatible Ranger, Explorer, and B4000 models. Verify fitment carefully before purchase, but for properly matched vehicles this part offers good durability and straightforward installation without unnecessary plastic components.

Frequently Asked Questions

Does this assembly include the gasket?
Yes, the unit ships with a gasket so no additional seal is required for installation.

What temperature does the thermostat open?
The thermostat opens at approximately 198 Deg. F (92 Deg. C), matching typical OEM values for these engines.

Is there a warranty?
TRQ provides a 2-year / 24,000-mile warranty that covers replacement of the product itself but does not cover labor or incidental costs.