OE Quality
60-Day Returns

Gates CO34935 Engine Coolant Thermostat Housing Cover
Overview of Gates Coolant Outlet Thermostat Cover CO34935
The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover CO34935 is designed for reliable cooling system performance in select Hyundai and Kia vehicles. This thermostat cover is engineered to meet exact OE specifications, ensuring proper fit and function for models like the Hyundai Elantra, Elantra GT, Forte, Forte5, Kona, Seltos, Soul, and Veloster.
- Constructed from durable plastic material for corrosion resistance
- OE exact replacement part for precise fitment
- Features 2 bolt holes for secure mounting
- Outlet outside diameter measures 1.375 inches
- Outlet inside diameter measures 1.14 inches
- Thermostat cover type without by-pass holes
- Compatible with multiple Hyundai and Kia models
Detailed Product Description
The Gates Coolant Outlet line focuses on providing high-quality thermostat housing covers that maintain the integrity of the engine cooling system. The CO34935 thermostat cover is made from plastic, offering resistance to corrosion and heat exposure common in engine compartments. It features two bolt holes for secure attachment and an outlet designed with an outside diameter of 1.375 inches and an inside diameter of 1.14 inches, matching original equipment dimensions. This part does not include gaskets or seals, so ensure proper sealing during installation. The absence of by-pass holes indicates it is designed for specific cooling system configurations found in Hyundai and Kia vehicles.
Compatible Vehicles and Applications
This thermostat housing cover is compatible with the following makes and models:
- Hyundai Elantra and Elantra GT
- Hyundai Kona
- Kia Forte and Forte5
- Kia Seltos
- Kia Soul
- Hyundai Veloster
Use this part to address issues related to thermostat housing leaks, coolant outlet damage, or cooling system malfunctions in these vehicles.
Common Issues Addressed by CO34935
- Cracked or damaged thermostat housing cover causing coolant leaks
- Corrosion or wear leading to improper coolant flow
- Failed thermostat cover affecting engine temperature regulation
- Replacement of worn or broken plastic housing components
- Ensuring proper sealing and coolant outlet integrity
Installation Notes and Tips
When installing the Gates CO34935 thermostat cover, verify that the mating surfaces are clean and free of old gasket material or debris. Since this part does not include gaskets or seals, use the appropriate OEM gasket or sealant recommended for your vehicle. Tighten the two mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks or damage. Confirm outlet diameters match your vehicle’s hose connections for proper coolant flow.
Quality Assurance and Warranty
The Gates Coolant Outlet CO34935 thermostat housing cover is manufactured to meet original equipment standards, ensuring reliable performance and fitment. Gates products undergo rigorous quality control to maintain durability and resistance to heat and corrosion. This part is an OE exact replacement, providing confidence in compatibility with Hyundai and Kia cooling systems. Warranty coverage details should be confirmed with the product supplier or manufacturer.
| Brand | Gates |
| Part Number | CO34935 |
| Position | Coolant Outlet |
| Material | Plastic |
| Outlet Outside Diameter | 1.375 |
| Bolt Hole Quantity | 2 |
| Type | Thermostat cover |
| Gasket Quantity | 0 |
| Outlet Inside Diameter | 1.14 |
| 9841 | 0 |
| 9848 | No |
| By-Pass Holes | No |
| Contents | Thermostat cover |
| Number of Bolt Holes | 2 |
| Number of Gaskets | 0 |
| Number of Seals | 0 |
| OE Exact | Yes |
| Outlet Inside Diameter 1 (in) | 1.14 |
| Outlet Outside Diameter 1 (in) | 1.375 |
| Type | Thermostat cover |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Kia | Forte | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2024 | Kia | Forte5 | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2023 | Kia | Forte | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2023 | Kia | Forte5 | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2023 | Kia | Seltos | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2022 | Kia | Seltos | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2021 | Hyundai | Kona | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2021 | Kia | Seltos | 1.6L | L4 | GAS | N/A | Coolant Outlet |
| 2020 | Hyundai | Kona | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Hyundai | Elantra | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Hyundai | Elantra GT | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Hyundai | Kona | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Hyundai | Veloster | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2019 | Kia | Soul | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | Hyundai | Elantra | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | Hyundai | Elantra GT | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2018 | Hyundai | Kona | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet |
| 2017 | Hyundai | Elantra | 1.6L | L4 | GAS | N/A | Engine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.