Dorman 902-5061 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Nissan Cooling Systems

Dorman 902-5061 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified Nissan vehicles. It is made from metal and engineered to handle repeated temperature swings in the cooling system.

Compatible With 1978-1983 Nissan 510, 200SX, 720, 810, and Maxima applications, this thermostat housing includes a gasket for a direct replacement service. The Dorman 902-5061 housing is shaped for the specified outlet port diameter and mounting pattern to support a proper cooling-system seal.

Key Features

• Metal thermostat housing with natural finish
• Outlet port diameter: 1.313 in.
• Three mounting holes with 0.313 in. hole diameter
• Gasket included; thermostat not included
• No bleeder valve and no O-rings required
• 180-degree housing neck angle

Detailed Product Overview

This engine coolant thermostat housing is designed for Nissan cooling system service where the original housing has cracked, warped, or corroded. It follows the stock-style fitment for the listed Nissan 510, 200SX, 720, 810, and Maxima models, helping restore a secure thermostat housing connection at the engine coolant outlet. Dorman 902-5061 is a direct-fit replacement housing for the specified applications and is built from metal for durability in high-heat environments.

This part cross-references Anchor 9203 and Dorman - Conduct-Tite 84938 for the same application.

What This Part Helps Address

• Coolant leakage at the thermostat housing
• Cracked or corroded original housing
• Improper sealing at the coolant outlet
• Cooling-system service after thermostat housing failure
• Fitment issues on aging Nissan cooling components

Installation Notes and Tips

Verify the engine coolant thermostat housing location and compare the outlet port diameter, mounting hole count, and neck angle before installation. Transfer the thermostat only if it is being reused, since this housing does not include one. Use the included gasket and follow the vehicle service procedure for coolant draining, surface cleaning, and torque sequence.

Quality Assurance

Dorman designs this replacement housing to match the fit and durability of the original stock part and to withstand extreme temperature changes for extended service life.