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Gates 33954 Engine Coolant Thermostat
Overview of Gates OE Type Thermostat 33954
The Gates OE Type Thermostat 33954 is engineered for reliable engine temperature regulation in select Hyundai and Kia vehicles. Designed with durable materials and precise specifications, this engine coolant thermostat supports optimal cooling system performance for models like the Hyundai Sonata and Kia Optima.
- Constructed from stainless steel, copper, steel, and brass for durability
- Bottom by-pass design with jiggle pin weep hole for effective coolant flow
- O-ring seal type ensuring a secure, leak-free fit
- Start to open temperature at 180°F (82°C) for accurate engine temperature control
- Sealing flange outside diameter approximately 2.1 inches for proper fitment
- Compatible with Hyundai Magentis, Sonata, Santa Fe and Kia Optima models
- OE performance rating matching original equipment standards
Detailed Product Description
The Gates OE Type Thermostat 33954 is designed to maintain precise engine operating temperatures by regulating coolant flow. Featuring a bottom by-pass design, it includes a jiggle pin weep hole that helps prevent air pockets in the cooling system, enhancing overall efficiency. The thermostat’s sealing flange outside diameter measures about 2.1 inches, with a flange thickness of 0.05 inches, ensuring a proper seal within the housing. Its O-ring seal type provides a reliable, leak-resistant connection without the need for additional gaskets. The thermostat opens at 180°F (82°C), which is critical for maintaining optimal engine temperature and preventing overheating or inefficient fuel consumption.
OE Type Thermostat Product Line
The Gates OE Type Thermostat line is designed to meet or exceed original equipment specifications, providing a direct replacement for factory-installed thermostats. This product line focuses on precise fitment and reliable performance, making it suitable for vehicles requiring exact temperature control components. The 33954 thermostat exemplifies this approach by combining quality materials and design features that align with OE standards for Hyundai and Kia vehicles.
Applications and Common Issues Addressed
- Regulates engine temperature to prevent overheating
- Prevents coolant leaks with O-ring seal design
- Reduces risk of engine damage caused by faulty thermostat operation
- Eliminates air pockets in cooling system via jiggle pin weep hole
- Restores proper coolant flow in Hyundai Sonata, Kia Optima, and related models
Installation Notes and Tips
- Compatible with Hyundai Magentis, Sonata, Santa Fe and Kia Optima vehicles
- Installation tool is not included; use appropriate tools for thermostat housing removal
- Ensure sealing surfaces are clean and free of debris before installation
- Verify correct orientation of thermostat with jiggle pin positioned properly
- Replace any worn or damaged seals to maintain leak-free operation
Quality Assurance and Warranty
The Gates OE Type Thermostat 33954 is manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Gates products typically undergo rigorous quality control to maintain consistency and fitment accuracy for Hyundai and Kia vehicles.
| Brand | Gates |
|---|---|
| Part Number | 33954 |
| Position | OE Type Thermostat |
| .66 | |
| 1 | |
| 1 | |
| 1.09 | |
| 1.74 | |
| By-Pass Flange Diameter (in) | 1.12 |
| Design | Bottom By-Pass |
| Design | Bottom By-Pass |
| Flange Thickness | .05 |
| Gasket Quantity | 0 |
| Height | 2.42 |
| Height | 2.43 |
| Height Between Flanges | 1.7 |
| Height Between Flanges | 1.79 |
| Height from Flange (in) | .66 |
| Includes Installation Tool | No |
| Installation Tool Included | No |
| Jiggle Pin Weep Hole | Yes |
| Material | Stainless Steel, Copper |
| Material | Steel, Brass, Copper |
| Number of Gaskets | 0 |
| Number of Jiggle Pins/Check Valves | 1 |
| Number of Seals | 1 |
| OE Comparison Rating | OE Performance |
| Seal Material | Rubber |
| Seal Type | O-Ring |
| Sealing Flange Outside Diameter | 2.1 |
| Sealing Flange Outside Diameter | 2.12 |
| Start to Open Temperature | 82 |
| Start to Open Temperature | 180 |
| Type | OE Type Thermostat |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2006 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2005 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2005 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2005 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2004 | Hyundai | Santa Fe | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2004 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2004 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2004 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2003 | Hyundai | Santa Fe | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2003 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2003 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2003 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2002 | Hyundai | Santa Fe | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2002 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2002 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2002 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2001 | Hyundai | Santa Fe | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2001 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2001 | Kia | Magentis | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2001 | Kia | Optima | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 2000 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
| 1999 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | 180 Degree; OE Temperature; Seal included; OE Type Thermostat |
* 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.