Dorman 902-5033 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Toyota and Lexus

Dorman 902-5033 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. It is made from metal and designed to handle repeated temperature swings in the cooling system, helping maintain a secure thermostat mounting point on Toyota Camry and Lexus ES300 applications.

Key Features

• Metal construction with a natural finish
• Outlet port diameter: 1.5 in.
• Three mounting holes with 0.313 in. diameter
• Gasket included for the housing-to-engine seal
• 180-degree housing neck angle
• No bleeder valve and no thermostat included
• Package contents: thermostat housing with gasket

Detailed Product Overview

This Dorman thermostat housing, part number 902-5033, is engineered for cooling system service on 1988-1993 Toyota Camry, 1990-1991 Lexus ES250, and 1992-1993 Lexus ES300 models. It cross-references Dorman - Conduct-Tite 85150 and Motorad CH6033 for the same application. The metal housing and included gasket provide a direct replacement solution for vehicles that need a new coolant outlet housing at the thermostat location.

Common Problems This Part Can Address

• Coolant leakage at the thermostat housing flange
• Cracked or corroded original housing
• Warped sealing surface that prevents a proper gasket seal
• Cooling system service needs on aging Toyota Camry and Lexus ES300 engines
• Damaged outlet neck or mounting points on the original housing

Installation Notes and Tips

Verify engine application before installation, since this housing is specific to listed Toyota and Lexus models. Clean the mating surface thoroughly, inspect the thermostat and related cooling components, and replace any worn seals or hoses as needed. Confirm the outlet port size and neck angle match the original part before final assembly. Part number 902-5033 is supplied with a gasket, and no thermostat is included.

Quality Assurance

Dorman designs this replacement thermostat housing to match stock fit and durability on specified vehicles and to withstand extreme temperature changes for extended service life. Part number 902-5033 is built as a direct-fit cooling system replacement for the listed Toyota Camry, Lexus ES250, and Lexus ES300 applications.