Gates 33857S - Premium Engine Coolant Thermostat
$1499
In stock
limited availability at this price!
Pay over 3-12 months with 
. Learn more
. Learn more
GATES part description
Product Description
Premium Engine Coolant Thermostat
Application Summary
2013-1998 Subaru, Forester, 4-Cyl. 2.5 L, Thermostat
Features & Benefits
- Upgraded thermal valve prevents thermal shock to cooling system components
- Specially-formulated wax mixture reacts quickly to changes in coolant temperature
- Jiggle pins for air venting, seals and gaskets make these thermostats equivalent to the original equipment part
- Well-suited for severe duty and high-performance applications
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Product Attributes
| Grade Type | OE Improved |
| Type | Premium Thermostat |
| Start to Open Temperature | 170 FA |
| Design | Reverse Poppet |
| Material | Stainless Steel |
| Height | 1.863 IN |
| Sealing Flange Outside Diameter | 2.2 IN |
| 9907 | .713 IN |
| Height Between Flanges | 1.15 IN |
| Flange Thickness | .05 in |
| Jiggle Pin Weep Hole | Yes |
| 9852 | 1 |
| Gasket Quantity | 0 |
| 9841 | 0 |
| Installation Tool Included | No |
| Start to Open Temperature | 77 CE |
Additional Information
| Country of Origin (Primary) | CN |
| Harmonized Tariff Code (Schedule B) | 8481809015 |
| UPC | 00770075745396 |
| VMRS Code | 042006000 |
| UNSPSC | 41112209 |
Part Interchanges
- Beck/Arnley 143-0710
- CST 4147
- CST 7294-170
- Stant 14147
- Stant 29147
- Stant 32637
- Stant 35147
- Stant 46147
- Motorad 294-170
- Carquest 32637
- Robertshaw 394-170
- Robertshaw 494-170
- Mahle TX14378D
- Peugeot 133749
- Subaru (cars) 21200AA000
- Subaru (cars) 21200AA070
- Subaru (cars) 21200AA071
- Subaru (cars) 21200AA170
- Parts Master 32637
- NAPA Belts/Hose 33857
- NAPA 110
- Standard Thomson 110
- CARQUEST or Stant 14147
Fits Vehicles
- Subaru WRX (2012-2016)
- Subaru WRX STI (2013-2018, 2020-2021)
- Subaru Outback (2000-2009, 2015-2019)
- Subaru SVX (1992-1997)
- Subaru Legacy (1990-2009, 2015-2019)
- Subaru Impreza (1993-2014)
- Subaru Baja (2003-2006)
- Subaru Forester (1998-2013)
California Proposition 65 Warning
California Proposition 65 Warning
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. (Read more)
Don't know your part number?
Take a photo and we'll identify it!
