AISIN THY-003 thermostat for the 1999-2001 Hyundai Sonata V6 2.5L, the 2002-2004 Sonata V6 2.7L and other vehicles regulates coolant flow through the engine's cooling system. This engine coolant thermostat assembly is OE manufactured for exact form, fit and function as an exact replacement.
- Starts to open at 82 °C (179.6 °F)
- Keeps coolant within the optimal temperature range to maintain cooling system performance
- Brass and stainless steel construction
- Includes a jiggle pin check valve
Quick facts
- Part: AISIN THY-003 thermostat
- Also called: engine coolant thermostat
- Fits: the 1999-2001 Hyundai Sonata V6 2.5L, the 2002-2004 Sonata V6 2.7L and other vehicles
- Material: Brass, stainless steel
- Condition: New
A thermostat stuck open or closed can show up as an engine that runs cold, an engine that overheats or weak heater output. These signs alone do not prove the thermostat is the problem; a low coolant level is another common cause.
Fits
The 2005-2010 Kia Sportage V6 2.7L fits this thermostat, and as a Hyundai Tucson thermostat it fits the 2005-2009 Tucson V6 2.7L. It also fits many other Hyundai and Kia models, so if your car is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Start-to-open temperature: 82 °C (179.6 °F)
- Sealing flange outside diameter: 64 mm
- Bypass flange diameter: 30 mm
- Flange height: 43 mm
Build and materials
- Design: Standard
- Material: Brass, stainless steel
- Jiggle pin check valve: included
- Gasket or seal: not included
- Condition: New
- Country of origin: Japan
In the box
One thermostat assembly with its jiggle pin check valve. A gasket or seal is not included. This listing holds one thermostat, the quantity the engine calls for.
Interchange: 310-0070A · 143 0810 · 143 0811 · 143-0857 · 25500-35530 · 25500-35531 · 25500-37200 · 302-180 · A3410-82G
33878 · 14128
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
310-0070A, 143 0810, 143 0811, 143-0857, 33878, 25500-35530, 25500-35531, 2550035531, 25500-37200, 302-180, THY-003, 14128, A3410-82G
Frequently Asked Questions
Is this the Hyundai Sonata thermostat for the 1999-2001 V6 2.5L or the 2002-2004 V6 2.7L?
Yes. AISIN THY-003 fits the 1999-2001 Hyundai Sonata V6 2.5L and the 2002-2004 Sonata V6 2.7L. Look up other Hyundai and Kia models in the "Vehicles it fits" section.
Is the AISIN THY-003 a Kia Sportage thermostat for the 2005-2010 V6 2.7L?
Yes. AISIN THY-003 fits the 2005-2010 Kia Sportage V6 2.7L, one thermostat per engine.
At what temperature does the AISIN THY-003 thermostat start to open?
This thermostat starts to open at 82 °C (179.6 °F). Its sealing flange has a 64 mm outside diameter and its bypass flange measures 30 mm.
Does this thermostat come with a gasket or seal?
No. A gasket or seal is not included, so order one separately. The thermostat assembly does include a jiggle pin check valve.
Does the AISIN THY-003 replace part number 25500-35530?
Yes. 25500-35530 is one of the numbers AISIN THY-003 replaces; the rest are on the Interchange line.
