Dorman 902-5005 Engine Coolant Thermostat Housing
OE Quality 60-Day Returns
Dorman

Dorman 902-5005 Engine Coolant Thermostat Housing

Brand Dorman 902-5005
Air Vent (Bleeder Valve) No
Bolts Included No
Color Black
Gasket Or Seal Included Yes
Housing Neck Angle (┬░) 180
Material Plastic
Mounting Hole Diameter 0.313
Mounting Hole Quantity 2
O Rings Included Not Required
Outlet Port Diameter 1.438
Package Contents Thermostat Housing with Gasket
Thermostat Included No
Fits Lexus · 16 vehicles

OE-style replacement. Engineered to match stock fit and durability.

Plastic housing. Built to handle extreme temperature changes.

Gasket included. Ready for a cleaner, tighter seal.

Cross-references Anchor 9161, Four Seasons 85155 and Motorad 5155KT for the same application. See all 5.

$32.88Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $32.88
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Coolant Thermostat Housing options

Engine Coolant Thermostat Housing for Lexus V8 Cooling Systems

This Dorman engine coolant thermostat housing is a direct replacement for select Lexus cooling system applications. Built from black plastic with a gasket included, it matches the stock housing’s fit and durability requirements for Lexus LS400 and SC400 models.

Key Features

  • Replacement engine coolant thermostat housing for the cooling system
  • Black plastic construction for OE-style fit and function
  • Includes gasket for sealing at installation
  • Two mounting holes with 0.313 in. mounting hole diameter
  • 1.438 in. outlet port diameter
  • 180-degree housing neck angle
  • No thermostat included
  • No bleeder valve and no bolts included

Detailed Description

Dorman 902-5005 is engineered as a replacement engine coolant thermostat housing for specified Lexus vehicles. It is built to match the original housing’s fit and durability, with a design that withstands repeated temperature swings in the cooling system. The housing is black plastic and supplied with a gasket, making it a practical choice when replacing a cracked, warped, or leaking thermostat housing on a Lexus LS400 or Lexus SC400. This part cross-references Four Seasons 85155 for the same application.

What It Helps Fix

  • Coolant leaks at the thermostat housing
  • Cracked or heat-damaged plastic housing
  • Warped sealing surfaces that can affect gasket sealing
  • Cooling system service issues on Lexus LS400 and SC400 models
  • Loss of proper coolant routing through the thermostat area

Installation Notes and Tips

  • Fits 1990-1997 Lexus LS400, N/A
  • Fits 1992-1999 Lexus SC400, N/A
  • Confirm the outlet port diameter, mounting hole count, and neck angle before installation
  • Inspect the mating surface and replace contaminated coolant during service
  • Use the included gasket to ensure a proper seal

Quality Assurance

Dorman designs this thermostat housing to match stock fit and durability for the listed Lexus applications. Part number 902-5005 is built for cooling system service where a replacement housing is needed on Lexus LS400 and SC400 vehicles.

Related reading

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1998LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1997LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1997LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1996LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1996LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1995LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1995LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1994LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1994LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1993LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1993LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1992LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1992LexusSC4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1991LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
1990LexusLS4004.0LV8N/AEngine coolant thermostat housing for cooling system.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9161Four Seasons — 85155Motorad — 5155KT8151551632150010