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Gates 33935 Engine Coolant Thermostat
| Brand | Gates 33935 |
|---|---|
| 1 | |
| Bolt Hole Quantity | 4 |
| Check Valve | No |
| Electric | Yes |
| Electric | Yes |
| Jiggle Pin Weep Hole | Yes |
| Jiggle Pin/Check Valve | Yes |
| Number of Bolt Holes | 4 |
| Number of Jiggle Pins/Check Valves | 1 |
| Number of Seals | 1 |
| OE Comparison Rating | OE Performance |
| OE Exact | No |
| Outlet Inside Diameter | 1.3 |
| Outlet Inside Diameter 1 (in) | 1.3 |
| Outlet Outside Diameter | 1.51 |
| Outlet Outside Diameter 1 (in) | 1.51 |
| Start to Open Temperature | 105 |
| Start to Open Temperature | 221 |
| Temperature (C) | 105 |
| Type | Integrated Housing Thermostat |
| Product line | Integrated Housing Thermostat |
| Fits | Land Rover and BMW · 21 vehicles |
Integrated housing thermostat. Combines the thermostat and housing for a cleaner, simpler replacement.
OE performance rating. Matches original-equipment standards for dependable temperature control.
Electric operation. Supports precise coolant regulation for more efficient engine operation.
Cross-references AMS Automotive 4612, Dorman - Conduct-Tite 85961 and Dorman - HELP 68213 for the same application. See all 11.
Integrated Thermostat Housing for OE Temperature Control
Gates Part Number 33935 is an integrated housing thermostat built for accurate engine coolant temperature regulation. It is an OE-performance replacement for select BMW and Land Rover applications, including the BMW 540i, X5, Z8, 740i, 740iL, and Land Rover Range Rover.
Key Features
- Integrated housing thermostat design for simplified cooling system service
- Start-to-open temperature: 105°C / 221°F
- Electric thermostat configuration
- 4 bolt holes for mounting
- Jiggle pin weep hole and jiggle pin/check valve design
- 1 seal included in the design specification
- OE Performance rating for direct-fit cooling system service
- Outlet inside diameter: 1.3 in; outlet outside diameter: 1.51 in
Product Details
Gates Integrated Housing Thermostat 33935 is engineered to regulate coolant flow at the specified OE temperature, helping maintain stable engine operating temperature in vehicles that use an integrated thermostat housing. Gates focuses on aftermarket thermostat solutions for modern cooling systems, and this part reflects that approach with an OE-performance fit and electric thermostat design. This part cross-references Stant 14612 for the same application.
What It Helps Address
- Engine running too cool or too hot due to thermostat control issues
- Temperature fluctuation from a worn thermostat housing assembly
- Coolant flow problems related to a failing integrated thermostat
- Cooling system service needs on BMW 540i, X5, Z8, 740i, and 740iL models
- Cooling system service needs on Land Rover Range Rover applications
Installation Notes and Tips
Verify the vehicle’s original thermostat housing style, electrical connection, and mounting layout before installation. Confirm the 221°F / 105°C opening temperature and match the outlet dimensions to the existing cooling system connection points. For best results, inspect the surrounding hoses, seals, and coolant condition during service.
Compatible With 2003-2005 Land Rover Range Rover, N/A; 1999-2003 BMW 540i, N/A; 2000-2003 BMW X5, N/A; 2003 BMW Z8, N/A; 1999-2001 BMW 740i, N/A; and 1999-2001 BMW 740iL, N/A.
Quality Assurance
Gates develops integrated thermostat housing solutions to meet OE-performance expectations for modern cooling systems. Part Number 33935 is built as an aftermarket alternative for vehicles that require an integrated housing thermostat with the specified temperature control characteristics.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Land Rover | Range Rover | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2004 | Land Rover | Range Rover | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2003 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2003 | BMW | X5 | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2003 | BMW | X5 | 4.6L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2003 | BMW | Z8 | 4.8L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2003 | Land Rover | Range Rover | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2002 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2002 | BMW | X5 | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2002 | BMW | X5 | 4.6L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2001 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2001 | BMW | 740i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2001 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2001 | BMW | X5 | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2000 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2000 | BMW | 740i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2000 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2000 | BMW | X5 | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1999 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1999 | BMW | 740i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1999 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
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