Homeβ€Ί Belts and Cooling > Thermostat and Housingβ€Ί Gates CO34988 Engine Coolant Thermostat Housing Cover
Part #: CO34988

Gates CO34988 Engine Coolant Thermostat Housing Cover

Coolant Outlet
βš™οΈ 168 vehicles fit this part
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βœ…OE Direct Replacement β€” Bolt-on fit, no modifications needed
πŸ“¦Coolant Outlet
πŸš—Fitment: Ford, Lincoln, and Mercury, Bronco, Continental, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-150, F-200, F-250, F-350, Fairmont, Grand Marquis, LTD, LTD Crown Victoria, Mark VI, Mark VII, Marquis, Monarch, Thunderbird, Town Car, Versailles, and Zephyr
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Reliable Thermostat Housing Cover for Ford, Lincoln, and Mercury Vehicles

The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover (Part Number CO34988) is engineered to provide a durable and precise fit for various Ford, Lincoln, and Mercury models. Crafted from cast aluminum, this thermostat cover ensures efficient heat dissipation and long-lasting performance in your vehicle's cooling system.

  • Constructed from durable cast aluminum for strength and heat resistance
  • Includes one gasket for a secure, leak-free seal
  • Features two bolt holes for stable mounting
  • Outlet outside diameters of 1.56 inches and 0.75 inches for proper hose connection
  • Outlet inside diameters of 1.21 inches and 0.41 inches to match OEM specifications

About the Gates Coolant Outlet Product Line

The Gates Coolant Outlet line focuses on high-quality thermostat covers and related cooling components designed to maintain optimal engine temperature. This product line emphasizes precision fit and material durability, making it suitable for replacement parts in Ford, Lincoln, and Mercury vehicles requiring reliable thermostat housing solutions.

Product Details and Specifications

The CO34988 thermostat housing cover is made from cast aluminum, providing excellent resistance to corrosion and thermal stress. It features two bolt holes for secure installation and comes with one gasket to ensure a tight seal between the housing and engine block. The dual outlet design includes outside diameters of 1.56 inches and 0.75 inches, and inside diameters of 1.21 inches and 0.41 inches, accommodating specific hose sizes for proper coolant flow. This part is compatible with a range of Ford, Lincoln, and Mercury models including the Ford F-150, E-150 Econoline, Lincoln Continental, and Mercury Marquis, among others.

Common Applications and Issues Addressed

  • Replacement of cracked or damaged thermostat housing covers
  • Resolving coolant leaks around the thermostat housing
  • Restoring proper coolant flow and engine temperature regulation
  • Preventing overheating caused by faulty thermostat covers
  • Maintaining engine cooling system integrity in Ford, Lincoln, and Mercury vehicles

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Remove the old thermostat housing cover carefully to prevent damage to surrounding components. Clean the mounting surface thoroughly before installing the new gasket and thermostat cover. Tighten bolts evenly to the manufacturer's torque specifications to prevent leaks. Verify hose connections match the specified outlet diameters for a secure fit.

Quality Assurance and Warranty

The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover CO34988 is manufactured to meet or exceed industry standards for durability and fitment. While this product does not carry an explicit warranty statement here, Gates is known for producing reliable automotive components designed for long-term use in Ford, Lincoln, and Mercury vehicles.

BrandGates
Part NumberCO34988
PositionCoolant Outlet
MaterialCast aluminum
Outlet Outside Diameter.75
Outlet Outside Diameter1.56
Bolt Hole Quantity2
TypeThermostat cover
Gasket Quantity1
Outlet Inside Diameter.41
Outlet Inside Diameter1.21
98410
9848No
By-Pass HolesNo
ContentsThermostat cover, gasket
Number of Bolt Holes2
Number of Gaskets1
Number of Seals0
OE ExactNo
Outlet Inside Diameter 1 (in)1.21
Outlet Inside Diameter 2 (in).41
Outlet Outside Diameter 1 (in)1.56
Outlet Outside Diameter 2 (in).75
TypeThermostat cover

This part fits 168 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1994FordBronco5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordBronco5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-150 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-150 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-150 Econoline Club Wagon5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-150 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-250 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-350 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordE-350 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-1505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-1505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-2505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-2505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-3505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1994FordF-3505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordBronco5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordBronco5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-150 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-150 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-150 Econoline Club Wagon5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-150 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-250 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-350 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordE-350 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-1505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-1505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-2505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-2505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-3505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1993FordF-3505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordBronco5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordBronco5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-150 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-150 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-150 Econoline Club Wagon5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-150 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-250 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-350 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordE-350 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-1505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-1505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-2505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-2505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-3505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1992FordF-3505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordBronco5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordBronco5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-150 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-150 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-150 Econoline Club Wagon5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-150 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-250 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-250 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-250 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-350 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordE-350 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-1505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-1505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-2005.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-2505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-2505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-3505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordF-3505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordLTD Crown Victoria5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991FordLTD Crown Victoria5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1991MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordBronco5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordBronco5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-150 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-150 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-150 Econoline Club Wagon5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-150 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-250 Econoline5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-250 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-250 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-350 Econoline5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordE-350 Econoline Club Wagon5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-1505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-1505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-2005.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-2505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-2505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-3505.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordF-3505.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordLTD Crown Victoria5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990FordLTD Crown Victoria5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1990MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1989FordLTD Crown Victoria5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1989FordLTD Crown Victoria5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1989LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1989MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1988FordLTD Crown Victoria5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1988FordLTD Crown Victoria5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1988LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1988MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1988MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1987FordLTD Crown Victoria5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1987FordLTD Crown Victoria5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1987LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1987MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1986FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1986FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1986LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1986MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985FordThunderbird5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985LincolnContinental5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985LincolnMark VII5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1985MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984FordThunderbird5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984LincolnContinental5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984LincolnMark VII5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1984MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983FordThunderbird5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983LincolnContinental5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983LincolnMark VI5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1983MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982FordFairmont4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982FordThunderbird4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982LincolnContinental5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982LincolnMark VI5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982MercuryGrand Marquis4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982MercuryMarquis4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982MercuryMarquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1982MercuryZephyr4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordFairmont4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordLTD4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordThunderbird4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981FordThunderbird5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981LincolnMark VI5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981LincolnTown Car5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryGrand Marquis4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryMarquis4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryMarquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1981MercuryZephyr4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980FordFairmont4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980FordLTD5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980FordLTD5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980FordThunderbird4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980FordThunderbird5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980LincolnMark VI5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980LincolnMark VI5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980LincolnVersailles5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980MercuryGrand Marquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980MercuryGrand Marquis5.8LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980MercuryMarquis5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980MercuryMonarch4.2LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet
1980MercuryMonarch5.0LV8GASN/AThermostat housing cover with included seal.; Coolant Outlet

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

81483184831902-1001C90Z 8592 AC9OZ 8592 ACH4831F0TZ 8592 F

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.