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Gates 34727 Engine Coolant Thermostat
| Brand | Gates 34727 |
|---|---|
| 1 | |
| Bolt Hole Quantity | 4 |
| Check Valve | No |
| Electric | Yes |
| Electric | Yes |
| 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 | 1 |
| OE Comparison Rating | OE Exact |
| OE Exact | Yes |
| Outlet Inside Diameter | 1.356 |
| Outlet Inside Diameter 1 (in) | 1.356 |
| Outlet Outside Diameter | 1.61 |
| Outlet Outside Diameter 1 (in) | 1.61 |
| Start to Open Temperature | 105 |
| Start to Open Temperature | 221 |
| Temperature (C) | 105 |
| Type | Integrated Housing Thermostat |
| Product line | Integrated Housing Thermostat |
| Fits | BMW · 7 vehicles |
OE exact replacement. Integrated housing thermostat for accurate temperature control.
Electric operation. Supports efficient engine temperature regulation.
4-bolt housing. Designed with a single seal for a secure fit.
Cross-references Dorman - HELP 47021, Four Seasons 54702 and Four Seasons 85959 for the same application. See all 10.
Gates Integrated Housing Thermostat 34727
The Gates 34727 integrated housing thermostat is built for precise coolant temperature control in vehicles that use an integrated thermostat housing design. It is an OE Exact replacement that helps maintain proper engine operating temperature for BMW 540i, 740i, and 740iL applications.
Key Features
- Integrated Housing Thermostat design for modern cooling systems
- Start to open temperature: 105°C / 221°F
- Electric thermostat configuration
- OE Exact replacement rating
- 4 bolt holes for housing mounting
- Seal included
- Outlet inside diameter: 1.356 in.
- Outlet outside diameter: 1.61 in.
Product Details
Gates Integrated Housing Thermostat 34727 is part of the brand’s thermostat housing line, developed for vehicles that rely on an integrated housing assembly rather than a separate thermostat. Gates focuses on aftermarket thermostat solutions that match OE-style temperature control and fitment requirements, helping restore stable coolant regulation in the engine cooling system. This part cross-references Four Seasons (e.g., 54702, 85959) for the same application.
Compatible With 1997-1998 BMW 540i, N/A; 1997-1998 BMW 740i, N/A; and 1996-1998 BMW 740iL, N/A. The Gates 34727 is a direct-fit cooling system service part for these BMW models and is commonly searched as an integrated housing thermostat for BMW 540i, BMW 740i, and BMW 740iL.
What It Helps Address
- Engine running too cool or too hot
- Delayed coolant temperature regulation
- Temperature fluctuation during normal driving
- Cooling system service on integrated thermostat housing setups
- Replacement of a worn OE-style thermostat assembly
Installation Notes
Verify the housing style, electrical connection, and outlet dimensions before installation. This thermostat uses a 4-bolt mounting pattern and includes one seal. Follow the vehicle service procedure for coolant draining, housing removal, and system bleeding after installation to help prevent trapped air in the cooling system.
Quality Assurance
Gates positions this thermostat housing line as an OE Exact aftermarket solution for vehicles equipped with integrated thermostat housings. The design is intended to provide accurate temperature regulation and consistent control in the cooling system.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1998 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1998 | BMW | 740i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1998 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1997 | BMW | 540i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1997 | BMW | 740i | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1997 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 1996 | BMW | 740iL | 4.4L | V8 | GAS | N/A | 221 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
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