HomeBelts and Cooling > Thermostat and HousingDorman 902-688 Engine Coolant Thermostat Housing
Part #: 902-688

Dorman 902-688 Engine Coolant Thermostat Housing

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⚙️ 42 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Elantra, Soul, Sportage, Tucson, Spectra, Spectra5, and Tiburon
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Reliable Engine Coolant Thermostat Housing for Hyundai and Kia

The Dorman 902-688 engine coolant thermostat housing is designed to provide a durable and precise fit for select Hyundai and Kia models. Crafted from metal with a natural finish, this thermostat housing ensures efficient coolant flow and engine temperature regulation.

  • Constructed from durable metal material for long-lasting performance
  • Includes a gasket for a secure, leak-free seal
  • Outlet port diameter of 1.375 inches for proper coolant flow
  • Two mounting holes with 0.313-inch bolt hole diameter for secure installation
  • Housing neck angle of 180 degrees to match OEM specifications
  • Compatible with Hyundai Elantra, Kia Soul, Spectra, Spectra5, Sportage, Tiburon, and Tucson
  • Part number 902-688 for easy identification and replacement

Product Details and Specifications

This Dorman engine coolant thermostat housing is engineered to meet the exact specifications required by your vehicle's cooling system. The metal construction offers strength and resistance to heat and corrosion, while the included gasket ensures a tight seal to prevent coolant leaks. The housing features a 1.375-inch outlet port diameter and a 180-degree neck angle, matching the original equipment design for proper coolant routing. With two mounting holes sized for 0.313-inch bolts, installation is straightforward and secure. Note that bolts are not included, and the thermostat itself is not part of this assembly.

Compatible Vehicles and Applications

This thermostat housing is compatible with a range of Hyundai and Kia vehicles, including:

  • Hyundai Elantra
  • Kia Soul
  • Kia Spectra and Spectra5
  • Kia Sportage
  • Kia Tiburon
  • Kia Tucson

Use part number 902-688 to ensure proper fitment and compatibility with your vehicle's cooling system.

Common Issues Addressed by This Thermostat Housing

  • Coolant leaks around the thermostat housing area
  • Overheating due to faulty or damaged housing
  • Cracks or corrosion compromising coolant flow
  • Improper thermostat seating causing temperature regulation problems
  • Replacement of worn or damaged OEM thermostat housing

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Use appropriate bolts (not included) matching the 0.313-inch bolt hole diameter and torque to manufacturer specifications. Verify the housing neck angle and outlet port diameter match your vehicle’s requirements. After installation, refill the cooling system and check for leaks during engine warm-up.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-688 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance. This part includes a gasket for proper sealing but does not include bolts or the thermostat itself. Please consult Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number902-688
Air Vent (Bleeder Valve)No
Bolt Hole Diameter0.313
Bolts IncludedNo
ColorNatural
Gasket Or Seal IncludedYes
Housing Neck Angle (┬░)180
MaterialMetal
Mounting Hole Quantity2
O Rings IncludedNot Required
Outlet Port Diameter1.375
Package ContentsThermostat Housing with Gasket
Thermostat IncludedNo

This part fits 42 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2011HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2011KiaSoul2.0LL4N/AEngine coolant thermostat housing for cooling system.
2010HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2010KiaSoul2.0LL4N/AEngine coolant thermostat housing for cooling system.
2010KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2009HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2009HyundaiTucson2.0LL4N/AEngine coolant thermostat housing for cooling system.
2009KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2009KiaSpectra52.0LL4N/AEngine coolant thermostat housing for cooling system.
2009KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2008HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2008HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2008HyundaiTucson2.0LL4N/AEngine coolant thermostat housing for cooling system.
2008KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2008KiaSpectra52.0LL4N/AEngine coolant thermostat housing for cooling system.
2008KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2007HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2007HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2007HyundaiTucson2.0LL4N/AEngine coolant thermostat housing for cooling system.
2007KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2007KiaSpectra52.0LL4N/AEngine coolant thermostat housing for cooling system.
2007KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2006HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2006HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2006HyundaiTucson2.0LL4N/AEngine coolant thermostat housing for cooling system.
2006KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2006KiaSpectra52.0LL4N/AEngine coolant thermostat housing for cooling system.
2006KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2005HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2005HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2005HyundaiTucson2.0LL4N/AEngine coolant thermostat housing for cooling system.
2005KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2005KiaSpectra52.0LL4N/AEngine coolant thermostat housing for cooling system.
2005KiaSportage2.0LL4N/AEngine coolant thermostat housing for cooling system.
2004HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2004HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2004KiaSpectra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2003HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2003HyundaiTiburon2.0LL4N/AEngine coolant thermostat housing for cooling system.
2002HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.
2001HyundaiElantra2.0LL4N/AEngine coolant thermostat housing for cooling system.

* 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:

256312350185345CH7688CO34866

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