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Gates 34725 Engine Coolant Thermostat
| Brand | Gates 34725 |
|---|---|
| 0 | |
| Bolt Hole Quantity | 3 |
| Check Valve | No |
| Electric | No |
| Electric | No |
| Jiggle Pin Weep Hole | Yes |
| Jiggle Pin/Check Valve | Yes |
| Number of Bolt Holes | 3 |
| Number of Jiggle Pins/Check Valves | 1 |
| Number of Seals | 0 |
| OE Comparison Rating | OE Performance |
| OE Exact | No |
| Outlet Inside Diameter | .574 |
| Outlet Inside Diameter | 1.338 |
| Outlet Inside Diameter 1 (in) | .574 |
| Outlet Inside Diameter 2 (in) | 1.338 |
| Outlet Outside Diameter | .791 |
| Outlet Outside Diameter | 1.653 |
| Outlet Outside Diameter 1 (in) | .791 |
| Outlet Outside Diameter 2 (in) | 1.653 |
| Start to Open Temperature | 89 |
| Start to Open Temperature | 192 |
| Temperature (C) | 89 |
| Type | Integrated Housing Thermostat |
| Product line | Integrated Housing Thermostat |
| Fits | Lincoln and Ford · 7 vehicles |
Integrated housing thermostat. Combines the thermostat and housing for a simpler replacement.
OE performance rating. Built as an aftermarket alternative with OE-level operation.
Temperature control. Starts to open at 192°F for accurate engine cooling regulation.
Cross-references Gates 34725, Motorad 539-192 and 2W9Z 8575 AB for the same application. See all 5.
Integrated Housing Thermostat for OE Temperature Control
Gates 34725 is an integrated housing thermostat built for accurate coolant temperature regulation in select Ford and Lincoln applications. It matches OE-style temperature control with a 192 degree opening point and integrated housing design for direct replacement service.
Compatible with 2003-2004 Ford Thunderbird and 2003-2006 Lincoln LS applications, this Gates Integrated Housing Thermostat supports proper engine warm-up and stable operating temperature. Gates 34725 is part of the brand’s Integrated Housing Thermostat line, which focuses on aftermarket solutions for vehicles that use thermostat and housing assemblies as a single service unit.
Key Features
- Integrated housing thermostat design
- Start to open temperature: 192°F / 89°C
- OE Performance comparison rating
- Jiggle pin weep hole: Yes
- Jiggle pin/check valve: Yes
- 3 bolt holes for mounting
- Outlet dimensions: 0.574 in and 1.338 in inside diameter; 0.791 in and 1.653 in outside diameter
- Electric: No
Product Details
This thermostat is engineered for cooling systems that use an integrated housing assembly, helping maintain the engine’s target operating temperature under normal driving conditions. Gates 34725 is a direct-fit style replacement for applications listed for the Ford Thunderbird and Lincoln LS, and it cross-references Motorad 539-192 for the same application. The 192 degree calibration supports OE temperature control, while the integrated housing format simplifies service on vehicles originally equipped with this design.
Common Issues It Can Help Address
- Engine running too cool or too warm
- Delayed warm-up after cold starts
- Temperature fluctuation during driving
- Cooling system service on integrated thermostat housing applications
- Replacement of a worn thermostat assembly on Ford Thunderbird or Lincoln LS models
Installation Notes and Tips
Verify the housing style, outlet dimensions, and bolt-hole count before installation. Confirm the vehicle’s original thermostat temperature rating and inspect the cooling system for contamination, gasket surface damage, or related wear before reassembly. This part is listed for 2003-2004 Ford Thunderbird, 2003-2006 Lincoln LS, and fitment notes include integrated housing thermostat applications with OE temperature calibration.
Quality Assurance
Gates develops aftermarket thermostat solutions for vehicles equipped with integrated thermostat housings, with a focus on OE-style temperature regulation and application-specific fitment. Part number 34725 is built to OE Performance standards for the listed Ford and Lincoln applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Lincoln | LS | 3.9L | V8 | GAS | N/A | 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Ford | Thunderbird | 3.9L | V8 | GAS | N/A | 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2005 | Lincoln | LS | 3.9L | V8 | GAS | N/A | 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Ford | Thunderbird | 3.9L | V8 | GAS | N/A | 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2004 | Lincoln | LS | 3.9L | V8 | GAS | N/A | 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Ford | Thunderbird | 3.9L | V8 | GAS | N/A | Includes Housing; 192 Degree; OE Temperature; Integrated Housing Thermostat |
| 2003 | Lincoln | LS | 3.9L | V8 | GAS | N/A | Includes Housing; 192 Degree; OE Temperature; Integrated Housing Thermostat |
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