Dorman 902-5198 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Mazda Vehicles

The Dorman 902-5198 engine coolant thermostat housing is designed to provide a durable and precise fit for select Mazda models. Crafted from aluminum with a natural finish, this thermostat housing ensures efficient heat management and long-lasting performance for your Mazda 3, Mazda 3 Sport, Mazda 6, CX-3, and CX-5.

• Constructed from corrosion-resistant aluminum material
• Includes gasket and O-rings for a secure seal
• Compatible with multiple Mazda models including Mazda 3, 3 Sport, 6, CX-3, and CX-5
• Outlet port diameter of 1.91 inches and inlet port diameter of 1.29 inches
• Features seven mounting holes with precise bolt hole spacing for accurate installation
• Flange thickness of 0.41 inches for durability and proper fit
• Package includes one gasket, one thermostat housing, and one thermostat (thermostat not included)

Detailed Product Description

The Dorman 902-5198 thermostat housing is engineered from high-quality aluminum, providing excellent resistance to corrosion and heat. Its natural color finish maintains the integrity of the material while fitting seamlessly into the engine bay. The housing features an outlet port diameter of 1.91 inches and an inlet port diameter of 1.29 inches, designed to match OEM specifications for optimal coolant flow. With seven mounting holes and multiple bolt hole center-to-center measurements ranging from 1.85 to 2.07 inches, this part ensures a precise and secure fit on compatible Mazda vehicles. The included gasket and O-rings help prevent leaks, maintaining the cooling system's efficiency.

Compatible Mazda Models and Common Applications

• Replacement for thermostat housing on Mazda 3 and Mazda 3 Sport models
• Suitable for Mazda 6 engines requiring a reliable coolant thermostat housing
• Fits Mazda CX-3 and CX-5 models for proper coolant system operation
• Addresses issues such as coolant leaks, overheating, and thermostat housing damage
• Helps restore proper engine temperature regulation and coolant flow

Installation Notes and Tips

When installing the Dorman 902-5198 thermostat housing, ensure the engine is cool before beginning work. Use the included gasket and O-rings to create a tight seal and prevent coolant leaks. Verify bolt hole alignment using the specified mounting hole measurements to avoid misalignment. Although bolts are not included, use OEM or equivalent fasteners to secure the housing properly. Inspect the thermostat separately, as it is not included with this part. Proper installation will help maintain engine cooling system integrity and performance.

Quality Assurance and Warranty Information

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The aluminum construction offers durability and resistance to corrosion, contributing to a longer service life. This part is backed by Dorman's quality assurance processes, ensuring reliable performance in compatible Mazda vehicles. Please refer to Dorman's warranty policy for specific coverage details.