HomeBelts and Cooling > Thermostat and HousingGates CO35016 Engine Coolant Thermostat Housing Cover
Part #: CO35016

Gates CO35016 Engine Coolant Thermostat Housing Cover

Coolant Outlet
⚙️ 21 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
📦Coolant Outlet
🚗Fitment: Hyundai and Kia, Optima, Santa Fe, Santa Fe Sport, Sonata, Sorento, Veloster, and Veloster N
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Engine Coolant Thermostat Housing Cover for Hyundai and Kia

The Gates Coolant Outlet Engine Coolant Thermostat Housing Cover CO35016 is designed to provide a precise fit and durable performance for select Hyundai and Kia models. Engineered from high-quality plastic, this thermostat cover ensures proper coolant flow and system integrity.

  • Constructed from durable plastic material for corrosion resistance
  • Exact OE fit for seamless replacement
  • Three bolt holes for secure mounting
  • Outlet outside diameter of 1.37 inches and inside diameter of 1.17 inches
  • Compatible with multiple Hyundai and Kia models including Optima, Santa Fe, Sonata, Sorento, Veloster, and Veloster N

About the Gates Coolant Outlet Product Line

The Gates Coolant Outlet line focuses on components that manage engine coolant flow with precision and reliability. This product line includes thermostat covers engineered to meet original equipment specifications, ensuring proper sealing and coolant routing. The CO35016 thermostat housing cover is part of this line, offering a direct replacement solution that maintains the cooling system’s efficiency.

Product Details and Specifications

The CO35016 thermostat housing cover is made from plastic, providing resistance to corrosion and heat typical in engine cooling systems. It features three bolt holes for secure attachment and an outlet with an outside diameter of 1.37 inches and an inside diameter of 1.17 inches, matching OEM dimensions. This part does not include a gasket, so ensure the existing gasket is inspected or replaced during installation. The thermostat cover is an exact OE match, guaranteeing compatibility and fitment for the specified Hyundai and Kia vehicles.

Compatible Vehicles and Common Applications

  • Hyundai Optima
  • Hyundai Santa Fe and Santa Fe Sport
  • Hyundai Sonata
  • Kia Sorento
  • Kia Veloster and Veloster N

This thermostat housing cover is used to replace worn or damaged covers that can cause coolant leaks or improper thermostat operation.

Issues Addressed by This Thermostat Housing Cover

  • Coolant leaks around the thermostat housing
  • Overheating due to improper coolant flow
  • Cracked or damaged thermostat cover
  • Failed thermostat housing causing engine temperature irregularities
  • Replacement of worn or degraded plastic housing components

Installation Notes and Tips

When installing the Gates CO35016 thermostat housing cover, ensure the mating surfaces are clean and free of old gasket material. Since this part does not include a gasket, use a new gasket compatible with your vehicle’s specifications. Tighten the three mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks and ensure a proper seal.

Quality Assurance and Warranty

The Gates CO35016 thermostat housing cover is manufactured to meet or exceed OEM standards, providing reliable performance and fitment. This part is an exact OE replacement, ensuring compatibility with the specified Hyundai and Kia models. Please refer to Gates’ warranty policy for coverage details.

BrandGates
Part NumberCO35016
PositionCoolant Outlet
MaterialPlastic
Outlet Outside Diameter1.37
Bolt Hole Quantity3
TypeThermostat cover
Gasket Quantity0
Outlet Inside Diameter1.17
98410
9848No
ContentsThermostat cover
OE ExactYes

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2022HyundaiVeloster N2.0LL4GASN/ACoolant Outlet
2021HyundaiVeloster2.0LL4GASN/ACoolant Outlet
2021HyundaiVeloster N2.0LL4GASN/ACoolant Outlet
2020HyundaiSanta Fe2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2020HyundaiVeloster2.0LL4GASN/ACoolant Outlet
2020HyundaiVeloster N2.0LL4GASN/ACoolant Outlet
2019HyundaiSanta Fe2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019HyundaiVeloster2.0LL4GASN/ACoolant Outlet
2019HyundaiVeloster N2.0LL4GASN/ACoolant Outlet
2019KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018KiaSorento2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017HyundaiSanta Fe Sport2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017KiaSorento2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016KiaSorento2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015HyundaiSonata2.0LL4GASN/AEngine 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:

256302GTA0

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