Used C5OE Thermostat Housing

  • Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "joetech12" with a Buy-It-Now of $24.49:

    65, 66, 67, Mustang, Shelby, Falcon, Fairlane, Comet, Cougar 260 289, 302, 8 Cylinder, USED Original Sheffield Thermostat Outlet, Water Neck, with 5/8" Bypass Hose Nipple,

    65-67 Mustang Falcon Cougar Fairlane 260 289 302 Thermostat Outlet, Water Neck | eBay

    -Fred-

    This used C5OE thermostat housing sold October 5, 2025 on Ebay for $24.49.

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

  • Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "MagMustangs" with a starting bid of $229.00:

    1965-1967 Ford Mustang, Fastback, Coupe, Convertible, GT, GTA, Shelby GT350, Falcon, Fairlane, Ranchero, Mercury Cougar, XR7, Comet, Caliente, Cyclone. 289 2V-4V-HIPO Thermostat Housing-Water Outlet Connection. 'ALUMINUM'. This is an ORIGINAL FORD PART. Casting Number (FoMoCo) C5OE-8594-A. Date Code (3...67). The Housing is in Excellent Original Condition. NO Cracks or Damage. This is a very nice original outlet with very visible casting numbers and without any serious pitting. Impossible To Find Original.

    1965 1966 1967 Ford Mustang Shelby ORIG 289 Hipo WATER OUTLET THERMOSTAT HOUSING | eBay

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

  • Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "MagMustangs" with a starting bid of $229.00:

    1965-1967 Ford Mustang, Fastback, Coupe, Convertible, GT, GTA, Shelby GT350, Falcon, Fairlane, Ranchero, Mercury Cougar, XR7, Comet, Caliente, Cyclone. 289 2V-4V-HIPO Thermostat Housing-Water Outlet Connection. 'ALUMINUM'. This is an ORIGINAL FORD PART. Casting Number (FoMoCo) C5OE-8594-A. Date Code (3...67). The Housing is in Excellent Original Condition. NO Cracks or Damage. This is a very nice original outlet with very visible casting numbers and without any serious pitting. Impossible To Find Original.

    1965 1966 1967 Ford Mustang Shelby ORIG 289 Hipo WATER OUTLET THERMOSTAT HOUSING | eBay

    -Fred-

    This used C5OE thermostat housing sold November 19, 2025 on Ebay for $229.00 with 1 bid from 1 bidder.

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    • Official Post

    Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "Sarah Morgan Variety Store" with a Buy-It-Now of $17.99 or make offer:

    Preowned Genuine 1965 Ford Mustang cast thermostat housing C5OE 8592 fits the 289 engine

    OEM genuine1965 Ford Mustang 289 Cast Thermostat Housing C5OE-8592 Used | eBay

    -Fred-

    his listing for this used C5OE thermostat housing was ended by the seller March 23, 2026 with the following explanation "This listing was ended by the seller because the item is no longer available".

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    • Official Post

    Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "rph2-427" with a starting bid of $65.00:

    This used but desirable housing has great definition in the casting numbers ans lettering and also shows the manufacture date of 65.

    The definition of the recess for the thermostat is well defined. Casting was not sandblasted. Please look at my other 65 Mustang Parts and more will also be listed in the near future. Thanks

    1965 Ford Mustang ORIG 289 THERMOSTAT HOUSING | eBay

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    • Official Post

    Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "rph2-427" with a starting bid of $65.00:

    This used but desirable housing has great definition in the casting numbers ans lettering and also shows the manufacture date of 65.

    The definition of the recess for the thermostat is well defined. Casting was not sandblasted. Please look at my other 65 Mustang Parts and more will also be listed in the near future. Thanks

    1965 Ford Mustang ORIG 289 THERMOSTAT HOUSING | eBay

    -Fred-

    This used C5OE thermostat housing received no bids by June 20, 2026 on Ebay and therefore did NOT sell.

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    • Official Post

    This used C5OE thermostat housing is back on Ebay again with a lower starting bid of $60.00:

    1965 Ford Mustang ORIG 289 THERMOSTAT HOUSING | eBay

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

    • Official Post

    This used C5OE thermostat housing sold July 12, 2026 on Ebay for $60.00.

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

  • Here is an Ebay auction for a used C5OE thermostat housing by Ebay member "rph2-427" with a starting bid of $60.00:

    This used but desirable housing has great definition in the casting numbers and lettering and also shows the manufacture date of 65.

    The definition of the recess for the thermostat is well defined. Casting was not sandblasted. Thanks for looking

    1965 Ford Mustang ORIG 289 THERMOSTAT HOUSING | eBay

    -Fred-

    65 Koupe early San Jose Phoenician Yellow 4 speed
    66 GT Koupe Dearborn Blue 4 speed
    66 KGT San Jose fastback pony interior Silver Frost 4 speed
    64 Falcon sedan delivery 289 4 speed
    65 Ranchero 289 4 speed
    66 Corvette roadster 427/425 4 speed

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