Motorad CH3023 Engine Coolant Thermostat Housing
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Motorad

Motorad CH3023 Engine Coolant Thermostat Housing

Brand Motorad CH3023
Material Steel
Color Silver
Outlet Port Diameter 1.31
Gasket Or Seal Included Yes
Mounting Hole Quantity 2
Bolts Included No
Outlet Diameter 1.31 in
Fits Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 27 vehicles

OE supplier quality. Built to OEM standards for cooling-system service.

Leak tested. Each housing is 100% checked for sealing integrity.

Steel construction. Durable housing with a silver finish and 1.31 in outlet.

Cross-references Dorman - OE Solutions 902-2023, Four Seasons 85161 and Motorad CH3023 for the same application. See all 6.

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Not what you need? See all Engine Coolant Thermostat Housing options

Engine Coolant Thermostat Housing Overview

The Motorad CH3023 engine coolant thermostat housing is built for cooling-system service on select GM applications. It uses steel construction, a silver finish, and a 1.31 in outlet diameter to match the specified coolant outlet design.

Fits 1991-1993 Buick Commercial Chassis, N/A. Fits 1991-1993 Buick Roadmaster, N/A. Fits 1992-1993 Cadillac Commercial Chassis, N/A. Fits 1993 Cadillac Fleetwood, N/A. Fits 1991-1993 Chevrolet Caprice, N/A. Fits 1991-1993 Chevrolet Commercial Chassis, N/A. Fits 1991-1992 Oldsmobile Custom Cruiser, N/A. Fits 1992 Oldsmobile Cutlass Ciera, N/A. Fits 1992 Oldsmobile Cutlass Cruiser, N/A. Fits 1991 Pontiac 6000, N/A. Fits 1991 Pontiac Grand Am, N/A.

Key Features

  • Steel housing with a silver finish.
  • 1.31 in outlet port diameter for the specified coolant connection.
  • Gasket or seal included for the housing assembly.
  • Two mounting holes for the correct OE-style attachment pattern.
  • Thermal shock validated and 100% leak tested.
  • Manufactured to OEM quality standards by an OE supplier.

Detailed Description

Motorad CH3023 is an engine coolant thermostat housing designed around OE-level cooling-system requirements. The steel body and 1.31 in outlet diameter support a direct replacement-style service part for applications such as Buick Roadmaster, Chevrolet Caprice, and Cadillac Fleetwood. This part cross-references Dorman - OE Solutions 902-2023 and Four Seasons 85161 for the same application.

The housing is thermal shock validated and leak tested before release, and it is made to meet or exceed OEM standards. The included gasket or seal helps complete the coolant outlet assembly, while the two-hole mounting pattern supports proper alignment during installation.

Common Problems This Part Can Address

  • Coolant leakage at the thermostat housing or water outlet.
  • Cracked or corroded housing material.
  • Improper sealing at the coolant outlet connection.
  • Fitment issues from a worn or damaged mounting surface.
  • Cooling-system service on aging GM applications.

Installation Notes and Tips

Confirm the outlet diameter, mounting-hole count, and application before installation. Clean the mating surfaces thoroughly and inspect the coolant hose connection and adjacent sealing surfaces for wear. Use the correct coolant service procedure for the vehicle and verify there are no leaks after refill and warm-up.

Quality Assurance

Motorad manufactures this housing to OEM quality standards as an OE supplier. It is thermal shock validated, 100% leak tested, and built to meet or exceed OEM standards.

Related reading

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993BuickCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1993BuickRoadmaster5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1993CadillacCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1993CadillacFleetwood5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1993ChevroletCaprice5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1993ChevroletCaprice5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1993ChevroletCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992BuickCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992BuickRoadmaster5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992CadillacCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992ChevroletCaprice5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992ChevroletCaprice5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1992ChevroletCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992ChevroletCommercial Chassis5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1992OldsmobileCustom Cruiser5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1992OldsmobileCustom Cruiser5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1992OldsmobileCutlass Ciera2.5LL4Engine Coolant Water Outlet with housing and gasket included.
1992OldsmobileCutlass Cruiser2.5LL4Engine Coolant Water Outlet with housing and gasket included.
1991BuickCommercial Chassis5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1991BuickRoadmaster5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1991ChevroletCaprice5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1991ChevroletCaprice5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1991ChevroletCommercial Chassis5.7LV8Engine Coolant Water Outlet with housing and gasket included.
1991ChevroletCommercial Chassis5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1991OldsmobileCustom Cruiser5.0LV8Engine Coolant Water Outlet with housing and gasket included.
1991Pontiac60002.5LL4Engine Coolant Water Outlet with housing and gasket included.
1991PontiacGrand Am2.5LL4Engine Coolant Water Outlet with housing and gasket included.
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 902-2023Four Seasons — 85161Motorad — CH30239CH302310108431NI