HomeBelts and Cooling > Thermostat and HousingGates CO34879 Engine Coolant Thermostat Housing Cover
Part #: CO34879

Gates CO34879 Engine Coolant Thermostat Housing Cover

Coolant Outlet
⚙️ 50 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coolant Outlet
🚗Fitment: Hyundai and Kia, Santa Fe Sport, Sportage, Tucson, Optima, Sorento, Sonata, and Santa Fe
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Coolant Outlet CO34879

The Gates Coolant Outlet CO34879 is a precision-engineered engine coolant thermostat housing cover designed for select Hyundai and Kia models. Manufactured from durable plastic, this coolant outlet ensures reliable performance and proper coolant flow in your vehicle's cooling system.

  • Material: High-quality plastic construction
  • Type: Thermostat cover / Coolant outlet
  • Bolt Hole Quantity: 3 for secure mounting
  • Outlet Inside Diameters: 1.17 inches and 0.58 inches
  • Outlet Outside Diameters: 1.38 inches and 0.71 inches
  • No included gaskets or seals
  • Compatible with Hyundai and Kia models including Optima, Sonata, Santa Fe, Santa Fe Sport, Sorento, Sportage, and Tucson

About the Gates Coolant Outlet Product Line

The Gates Coolant Outlet product line focuses on delivering reliable cooling system components that maintain optimal engine temperature and prevent overheating. This line includes thermostat housing covers engineered to meet specific vehicle requirements, such as the CO34879, which is tailored for various Hyundai and Kia models. The Coolant Outlet series emphasizes precise fitment and durable materials to support long-term engine performance.

Detailed Product Description

The Gates CO34879 engine coolant thermostat housing cover is constructed from robust plastic, providing resistance to corrosion and heat typically encountered in engine compartments. Featuring three bolt holes, it ensures a secure and stable installation. The dual outlet design includes two sets of inside and outside diameters (1.17" and 0.58" inside; 1.38" and 0.71" outside), accommodating specific coolant hose connections. This part does not include gaskets or seals, so it is recommended to source these separately to ensure a proper seal during installation. The CO34879 is not an exact OE replacement but is engineered to meet or exceed performance standards for the compatible Hyundai and Kia vehicles.

Common Applications and Issues Addressed

  • Replacement of cracked or damaged thermostat housing covers
  • Resolving coolant leaks around the thermostat outlet
  • Preventing engine overheating due to faulty coolant flow
  • Maintaining proper coolant circulation in Hyundai Optima, Sonata, Santa Fe, and Kia Sorento, Sportage, Tucson models
  • Upgrading worn or brittle plastic coolant outlets

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Inspect and replace any gaskets or seals to prevent leaks, as none are included with this part
  • Use the three bolt holes to securely fasten the housing cover, tightening bolts evenly
  • Verify outlet diameters match your vehicle’s coolant hose sizes for proper fitment
  • Consult vehicle service manual for torque specifications and detailed installation procedures

Quality Assurance and Warranty

Gates manufactures the CO34879 coolant outlet to meet stringent quality standards, ensuring durability and reliable performance in demanding engine environments. While this part is not an exact OE replacement, it is designed to provide a dependable solution for cooling system maintenance on compatible Hyundai and Kia vehicles. Warranty coverage details should be confirmed with the parts distributor or manufacturer.

BrandGates
Part NumberCO34879
PositionCoolant Outlet
0
No
Bolt Hole Quantity3
By-Pass HolesNo
ContentsCoolant Outlet
Gasket Quantity0
MaterialPlastic
Number of Bolt Holes3
Number of Gaskets0
Number of Seals0
OE ExactNo
Outlet Inside Diameter.58
Outlet Inside Diameter1.17
Outlet Inside Diameter 1 (in)1.17
Outlet Inside Diameter 2 (in).58
Outlet Outside Diameter.71
Outlet Outside Diameter1.38
Outlet Outside Diameter 1 (in)1.38
Outlet Outside Diameter 2 (in).71
TypeCoolant Outlet
TypeThermostat Cover

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016HyundaiSanta Fe Sport2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016HyundaiSanta Fe Sport2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015HyundaiSanta Fe Sport2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015HyundaiSanta Fe Sport2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015HyundaiTucson2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015KiaOptima2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015KiaSorento2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014HyundaiSanta Fe Sport2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014HyundaiSonata2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014HyundaiTucson2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014KiaOptima2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014KiaSorento2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013HyundaiSanta Fe Sport2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013HyundaiSonata2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013HyundaiTucson2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013KiaOptima2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013KiaSorento2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012HyundaiSanta Fe2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012HyundaiSonata2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012HyundaiTucson2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012KiaOptima2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012KiaSorento2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011HyundaiSanta Fe2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011HyundaiSonata2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011HyundaiSonata2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011HyundaiTucson2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011KiaOptima2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011KiaOptima2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011KiaSorento2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011KiaSportage2.0LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011KiaSportage2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2010HyundaiSanta Fe2.4LL4GASN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2010HyundaiTucson2.4LL4GASN/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:

256302G70086028CH6012

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