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Dorman 902-5128 Engine Coolant Thermostat Housing
Overview of Dorman Engine Coolant Thermostat Housing 902-5128
The Dorman 902-5128 engine coolant thermostat housing is designed for reliable cooling system performance in select Hyundai and Kia vehicles. Constructed from durable black plastic, this thermostat housing ensures proper coolant flow and temperature regulation for your engine.
- Material: High-quality black plastic for corrosion resistance
- Outlet port diameter: 2.4 inches
- Inlet port diameter: 1.23 inches
- Height: 3.51 inches
- Includes gasket or seal for secure installation
- Mounting holes: 5 to 6 holes with varying bolt hole center distances (2.24, 2.62, 2.81 inches)
- Flange thickness: 0.41 inches
- Does not include thermostat, bolts, or O-rings
- Compatible with multiple Hyundai and Kia models
Detailed Product Description
The Dorman 902-5128 engine coolant thermostat housing is engineered to meet the specifications required for proper engine cooling in Hyundai Optima, Sonata, Santa Fe, Santa Fe Sport, and Kia Sorento, Sportage, and Tucson models. Its black plastic construction offers resistance to corrosion and heat, helping maintain the integrity of the cooling system. The housing features multiple mounting holes with precise bolt hole center measurements to ensure a secure fit. The included gasket or seal helps prevent coolant leaks, maintaining system pressure and efficiency. Note that this housing does not include the thermostat, bolts, or O-rings, so these components must be sourced separately if needed.
Compatible Vehicles and Common Applications
- Hyundai Optima engine coolant thermostat housing replacement
- Hyundai Sonata cooling system repair part
- Hyundai Santa Fe and Santa Fe Sport thermostat housing upgrade
- Kia Sorento and Sportage engine cooling component
- Kia Tucson thermostat housing for coolant flow management
Installation Notes and Tips
When installing the Dorman 902-5128 thermostat housing, ensure the engine is cool to avoid injury from hot coolant. Clean the mounting surface thoroughly before applying the included gasket or seal to prevent leaks. Verify the correct orientation of the housing and align all mounting holes accurately. Since bolts and O-rings are not included, use OEM or compatible hardware to secure the housing properly. 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 902-5128 thermostat housing undergoes quality inspections to ensure durability and performance in demanding engine environments. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 902-5128 |
| Material | Plastic |
| Color | Black |
| Outlet Port Diameter | 2.4 |
| Height | 3.51 |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 5 |
| Mounting Hole Quantity | 6 |
| Bolt Hole Center To Bolt Hole Center | 2.24 |
| Bolt Hole Center To Bolt Hole Center | 2.62 |
| Bolt Hole Center To Bolt Hole Center | 2.81 |
| Inlet Port Diameter | 1.23 |
| Flange Thickness | 0.41 |
| Mounting Hole Diameter | 0.2 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| O Rings Included | No |
| Package Contents | 1 thermostat housing |
| Thermostat Included | No |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Hyundai | Santa Fe Sport | 2.4L | L4 | N/A | Housing | |
| 2015 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing | |
| 2015 | Kia | Optima | 2.4L | L4 | N/A | Housing | |
| 2015 | Kia | Sportage | 2.4L | L4 | N/A | Housing | |
| 2014 | Hyundai | Santa Fe Sport | 2.4L | L4 | N/A | Housing | |
| 2014 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Housing |
| 2014 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing | |
| 2014 | Kia | Optima | 2.4L | L4 | N/A | Housing | |
| 2014 | Kia | Sorento | 2.4L | L4 | N/A | Housing | |
| 2014 | Kia | Sportage | 2.4L | L4 | N/A | Housing | |
| 2013 | Hyundai | Santa Fe Sport | 2.4L | L4 | N/A | Housing | |
| 2013 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Housing |
| 2013 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing | |
| 2013 | Kia | Optima | 2.4L | L4 | N/A | Housing | |
| 2013 | Kia | Sorento | 2.4L | L4 | N/A | Housing | |
| 2013 | Kia | Sportage | 2.4L | L4 | N/A | Housing | |
| 2012 | Hyundai | Santa Fe | 2.4L | L4 | N/A | Housing | |
| 2012 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Housing |
| 2012 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing | |
| 2012 | Kia | Optima | 2.4L | L4 | N/A | Housing | |
| 2012 | Kia | Sorento | 2.4L | L4 | N/A | Housing | |
| 2012 | Kia | Sportage | 2.4L | L4 | N/A | Housing | |
| 2011 | Hyundai | Santa Fe | 2.4L | L4 | N/A | Housing | |
| 2011 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | Housing |
| 2011 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing | |
| 2011 | Kia | Optima | 2.4L | L4 | N/A | Housing | |
| 2011 | Kia | Sorento | 2.4L | L4 | N/A | Housing | |
| 2011 | Kia | Sportage | 2.4L | L4 | N/A | Housing | |
| 2010 | Hyundai | Santa Fe | 2.4L | L4 | N/A | Housing | |
| 2010 | Hyundai | Tucson | 2.4L | L4 | N/A | Housing |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.