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Gates 34055 Engine Coolant Thermostat
| Brand | Gates 34055 |
|---|---|
| 1 | |
| Bolt Hole Quantity | 2 |
| Check Valve | No |
| Electric | No |
| Electric | No |
| Jiggle Pin Weep Hole | Yes |
| Jiggle Pin/Check Valve | Yes |
| Number of Bolt Holes | 2 |
| Number of Jiggle Pins/Check Valves | 1 |
| Number of Seals | 1 |
| OE Comparison Rating | OE Performance |
| OE Exact | No |
| Outlet Inside Diameter | .489 |
| Outlet Inside Diameter | 1.4 |
| Outlet Inside Diameter 1 (in) | .489 |
| Outlet Inside Diameter 2 (in) | 1.4 |
| Outlet Outside Diameter | .748 |
| Outlet Outside Diameter 1 (in) | .748 |
| Start to Open Temperature | 82 |
| Start to Open Temperature | 180 |
| Temperature (C) | 82 |
| Type | Integrated Housing Thermostat |
| Product line | Integrated Housing Thermostat |
| Fits | Cadillac · 20 vehicles |
Integrated housing thermostat. Combines the thermostat and housing in one OE-performance unit.
Accurate temperature control. Helps the engine operate more efficiently.
Jiggle pin weep hole. Supports easier air bleeding during service.
Cross-references BBB Industries 52180, Dorman - Conduct-Tite 85949 and Dorman - OE Solutions 521-180 for the same application. See all 8.
Integrated thermostat housing for OE temperature control
Gates 34055 is an integrated housing thermostat built for accurate coolant temperature regulation in vehicles that use a combined thermostat and housing design. This 180-degree engine coolant thermostat supports stable operating temperature and direct OE-style replacement needs for Cadillac CTS, Cadillac SRX, and Cadillac STS applications.
Key features
- Integrated Housing Thermostat design for vehicles with a combined thermostat and housing assembly
- Start-to-open temperature: 180°F / 82°C
- Jiggle pin weep hole for air bleeding during coolant service
- One jiggle pin/check valve and one seal
- Two bolt holes for mounting
- OE Performance rating for factory-style temperature control
- Non-electric thermostat construction
Product details
The Gates Integrated Housing Thermostat line focuses on aftermarket solutions for modern cooling systems that use integrated thermostat housings. Part number 34055 is engineered to regulate coolant flow at the OE temperature setting, helping the engine reach and maintain normal operating temperature. For drivers searching for a thermostat housing for 2004-2010 Cadillac CTS, a thermostat assembly for 2004-2009 Cadillac SRX, or a replacement thermostat housing for 2005-2009 Cadillac STS, this part matches the listed applications and temperature specification.
This part cross-references Dorman - OE Solutions 521-180 for the same application.
What it helps address
- Engine running too cool or too warm
- Delayed warm-up after cold starts
- Temperature fluctuation from a worn thermostat assembly
- Coolant flow control issues in integrated housing systems
- Service replacement for OE-style thermostat housing applications
Installation notes and tips
- Verify the vehicle’s thermostat housing style before ordering; this part is for integrated housing applications.
- Confirm the OE temperature requirement is 180°F / 82°C.
- Inspect the sealing surface and coolant passages during installation.
- Bleed trapped air from the cooling system after service using the jiggle pin weep hole as part of the fill process.
- Use the fitment notes to confirm whether your Cadillac CTS, SRX, or STS application calls for the integrated housing design.
Quality assurance
Gates develops aftermarket thermostat solutions for integrated housing systems with OE Performance positioning, giving technicians and owners a direct replacement option for factory-style cooling control. Part number 34055 is built to meet the temperature regulation needs specified for the listed Cadillac applications.
- Fits 2005-2007 Cadillac CTS, N/A
- Fits 2004-2006 Cadillac CTS, N/A
- Fits 2010 Cadillac CTS, N/A
- Fits 2004-2009 Cadillac SRX, N/A
- Fits 2005 Cadillac STS, N/A
- Fits 2006-2009 Cadillac STS, N/A
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | Cadillac | CTS | 3.0L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2010 | Cadillac | CTS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2009 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2009 | Cadillac | STS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2008 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2008 | Cadillac | STS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2007 | Cadillac | CTS | 2.8L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2007 | Cadillac | CTS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2007 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2007 | Cadillac | STS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2006 | Cadillac | CTS | 2.8L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2006 | Cadillac | CTS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2006 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2006 | Cadillac | STS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2005 | Cadillac | CTS | 2.8L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2005 | Cadillac | CTS | 3.6L | V6 | GAS | N/A | Includes Housing; 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2005 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2005 | Cadillac | STS | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2004 | Cadillac | CTS | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
| 2004 | Cadillac | SRX | 3.6L | V6 | GAS | N/A | 180 Degree; OE Temperature; Seal included; Integrated Housing Thermostat |
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