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Gates 33950 Engine Coolant Thermostat
| Brand | Gates 33950 |
|---|---|
| 0 | |
| Bolt Hole Quantity | 4 |
| Check Valve | No |
| Electric | No |
| Electric | No |
| Jiggle Pin Weep Hole | No |
| Jiggle Pin/Check Valve | No |
| Number of Bolt Holes | 4 |
| Number of Jiggle Pins/Check Valves | 0 |
| Number of Seals | 0 |
| OE Comparison Rating | OE Performance |
| OE Exact | No |
| Outlet Inside Diameter | 1.59 |
| Outlet Inside Diameter 1 (in) | 1.59 |
| Outlet Outside Diameter | 1.74 |
| Outlet Outside Diameter 1 (in) | 1.74 |
| Start to Open Temperature | 83 |
| Start to Open Temperature | 181 |
| Temperature (C) | 83 |
| Type | Integrated Housing Thermostat |
| Product line | Integrated Housing Thermostat |
| Fits | Porsche · 45 vehicles |
Integrated housing thermostat. Accurate temperature control helps the engine run more efficiently.
OE performance rating. A quality aftermarket alternative to OE dealership parts.
Four-bolt design. Provides a secure, straightforward installation.
Cross-references AP Exhaust 14768, Four Seasons 86163 and Gates 33950 for the same application. See all 9.
Gates 33950 Integrated Housing Thermostat
The Gates 33950 integrated housing thermostat is built for precise coolant temperature control in vehicles that use a thermostat and housing assembly in one unit. It is a direct-fit cooling system service part for select Porsche 911, Boxster, and Cayman applications, helping maintain stable engine operating temperature.
Key Features
- Integrated housing thermostat for simplified cooling system service
- Start-to-open temperature: 181°F (83°C)
- Outlet inside diameter: 1.59 in.
- Outlet outside diameter: 1.74 in.
- 4 bolt holes for OE-style mounting
- Non-electric design with no jiggle pin weep hole and no check valve
- OE Performance rating for application-matched operation
Product Details
Gates Integrated Housing Thermostat line focuses on thermostat assemblies that regulate coolant flow accurately so the engine reaches and maintains the proper operating range. Part number 33950 is an OE-performance replacement for vehicles using an integrated thermostat housing, including Porsche 911, Porsche Boxster, and Porsche Cayman models. This part cross-references Four Seasons 86163 for the same application.
Common Problems This Part Can Address
- Engine running too cool or too warm
- Delayed warm-up after cold starts
- Temperature fluctuation from a worn thermostat assembly
- Cooling system service on an integrated housing design
- Replacement of a thermostat housing that no longer seals or regulates properly
Installation Notes
- Verify the outlet diameters and 4-bolt housing pattern before installation.
- Confirm the thermostat temperature rating matches the original application.
- Inspect the cooling system for contamination, hose wear, and housing surface condition during service.
- Use the vehicle’s specified coolant and follow the manufacturer bleed procedure after installation.
Quality Assurance
Gates develops aftermarket thermostat solutions for integrated housing applications with attention to OE-style fit and temperature control. Part number 33950 is built to OE Performance standards for the listed Porsche applications.
Compatible Vehicles
- Fits 1999-2008 Porsche 911, N/A, 180 Degree; OE Temperature; Integrated Housing Thermostat
- Fits 1997-2008 Porsche Boxster, N/A, 180 Degree; OE Temperature; Integrated Housing Thermostat
- Fits 2006-2008 Porsche Cayman, N/A, 180 Degree; OE Temperature; Integrated Housing Thermostat
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2008 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2008 | Porsche | 911 | — | 3.8L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2008 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2008 | Porsche | Boxster | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2008 | Porsche | Cayman | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2008 | Porsche | Cayman | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | 911 | — | 3.8L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | Boxster | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | Cayman | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2007 | Porsche | Cayman | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2006 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2006 | Porsche | 911 | — | 3.8L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2006 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2006 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2006 | Porsche | Cayman | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Porsche | 911 | Targa | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Porsche | 911 | Carrera | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Porsche | 911 | — | 3.8L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Porsche | 911 | Carrera | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Porsche | 911 | Targa | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Porsche | 911 | Carrera | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Porsche | 911 | Targa | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2002 | Porsche | 911 | — | 3.6L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2002 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2002 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2001 | Porsche | 911 | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2001 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2001 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2000 | Porsche | 911 | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2000 | Porsche | Boxster | — | 2.7L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 2000 | Porsche | Boxster | — | 3.2L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 1999 | Porsche | 911 | — | 3.4L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 1999 | Porsche | Boxster | — | 2.5L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 1998 | Porsche | Boxster | — | 2.5L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
| 1997 | Porsche | Boxster | — | 2.5L | H6 | GAS | N/A | 180 Degree; OE Temperature; Integrated Housing Thermostat |
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