HomeBelts and Cooling > Thermostat and HousingGates CO34874 Engine Coolant Water Outlet
Part #: CO34874

Gates CO34874 Engine Coolant Water Outlet

Coolant Outlet
⚙️ 33 vehicles fit this part
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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, Sportage, and Tucson
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Overview of Gates Coolant Outlet CO34874

The Gates Coolant Outlet CO34874 is a precision-engineered engine coolant water outlet designed for select Hyundai and Kia vehicles. This thermostat housing component ensures proper coolant flow and temperature regulation within the engine cooling system.

  • Constructed from durable plastic material for corrosion resistance
  • Features multiple outlet diameters ranging from 0.19 to 1.39 inches
  • Equipped with 3 bolt holes for secure mounting
  • Includes 2 seals to maintain a tight coolant seal
  • Designed as a thermostat housing without by-pass holes

Detailed Product Description

The Gates Coolant Outlet CO34874 belongs to the Coolant Outlet product line, which focuses on reliable and efficient engine coolant water outlets. This part is made from high-quality plastic, providing resistance to corrosion and heat commonly found in engine compartments. The outlet features multiple outside diameters (.35, .7, .862, and 1.39 inches) and inside diameters (.19, .54, .694, and 1.2 inches) to accommodate precise coolant flow requirements. With 3 bolt holes, the thermostat housing ensures a secure fit to the engine block. The part includes 2 seals to prevent coolant leaks, although it does not come with gaskets or by-pass holes. This component is not an exact OE replacement but is engineered to meet or exceed performance standards for Hyundai and Kia models.

Compatible Vehicles and Applications

This engine coolant water outlet is compatible with a range of Hyundai and Kia vehicles, including:

  • Hyundai Optima
  • Hyundai Santa Fe and Santa Fe Sport
  • Hyundai Sonata
  • Kia Sorento
  • Kia Sportage
  • Kia Tucson

It is designed to replace the thermostat housing and maintain proper coolant circulation, helping to prevent overheating and engine damage.

Common Issues Addressed by This Part

  • Coolant leaks around the thermostat housing
  • Engine overheating due to faulty coolant outlet
  • Cracks or damage in the original plastic housing
  • Improper coolant flow causing temperature fluctuations
  • Replacement of worn or degraded seals

Installation Notes and Tips

When installing the Gates Coolant Outlet CO34874, ensure the mounting surface is clean and free of debris. Use the included seals to prevent leaks, but note that gaskets are not included and may need to be sourced separately. Tighten the 3 bolts evenly to avoid warping the housing. Verify outlet diameters match your vehicle’s coolant hose sizes for proper fitment. This part is designed for professional installation or experienced DIY mechanics familiar with Hyundai and Kia cooling systems.

Quality Assurance and Warranty

Gates is a recognized brand in automotive cooling components, and the Coolant Outlet product line is engineered to meet industry standards for durability and performance. While this part is not an exact OE replacement, it is manufactured to provide reliable service life. Warranty information should be confirmed with the distributor or retailer, as it may vary by source.

BrandGates
Part NumberCO34874
PositionCoolant Outlet
MaterialPlastic
Outlet Outside Diameter.35
Outlet Outside Diameter.7
Outlet Outside Diameter.862
Outlet Outside Diameter1.39
Bolt Hole Quantity3
TypeThermostat housing
Gasket Quantity0
Outlet Inside Diameter.19
Outlet Inside Diameter.54
Outlet Inside Diameter.694
Outlet Inside Diameter1.2
98412
9848No
By-Pass HolesNo
ContentsCoolant outlet, seals
Number of Bolt Holes3
Number of Gaskets0
Number of Seals2
OE ExactNo
Outlet Inside Diameter 1 (in)1.2
Outlet Inside Diameter 2 (in).694
Outlet Inside Diameter 3 (in).694
Outlet Inside Diameter 4 (in).54
Outlet Inside Diameter 5 (in).19
Outlet Inside Diameter 6 (in).19
Outlet Outside Diameter 1 (in)1.39
Outlet Outside Diameter 2 (in).862
Outlet Outside Diameter 3 (in).862
Outlet Outside Diameter 4 (in).7

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016HyundaiSanta Fe Sport2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2016KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2015HyundaiSanta Fe Sport2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2015HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2015KiaOptima2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2015KiaSorento2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2015KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014HyundaiSanta Fe Sport2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014HyundaiSonata2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014KiaOptima2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014KiaSorento2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2014KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013HyundaiSanta Fe Sport2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013HyundaiSonata2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013KiaOptima2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013KiaSorento2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2013KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012HyundaiSanta Fe2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012HyundaiSonata2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012KiaOptima2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012KiaSorento2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2012KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011HyundaiSanta Fe2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011HyundaiSonata2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011KiaOptima2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011KiaSorento2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2011KiaSportage2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2010HyundaiSanta Fe2.4LL4GASN/AThermostat Housing; Seal included; Coolant Outlet
2010HyundaiTucson2.4LL4GASN/AThermostat Housing; Seal included; 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:

256202G50086025902-5128CH5127

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