Gates 34055 thermostat for the 2004-2007 Cadillac CTS V6 3.6L, the 2005-2007 CTS V6 2.8L and other vehicles regulates engine coolant temperature from an integrated housing. The housing is intended to help the engine run more efficiently through accurate temperature control.
- Thermostat, insert, seal and housing in one bolt-on unit for a complete job
- Application-specific adaptive MAP-control for precise temperature regulation
- Starts to open at 180°F (82°C)
- Jiggle pin check valve included
Quick facts
- Part: Gates 34055 thermostat
- Also called: engine coolant thermostat
- Fits: 2004-2007 Cadillac CTS V6 3.6L, the 2005-2007 CTS V6 2.8L and other vehicles
- Condition: New
A temperature gauge that runs high or low, slow cabin heat or coolant seeping at the housing can all involve the thermostat. Before replacing it, look over the cool, parked engine for wet coolant stains or a cracked housing, since a low coolant level or another cooling part may be behind the symptom.
Fits
It works as a Cadillac CTS thermostat on the 2004-2007 CTS V6 3.6L, the 2005-2007 CTS V6 2.8L and the 2010 CTS V6 3.0L and V6 3.6L, and it also fits the 2004-2009 Cadillac SRX V6 3.6L and the 2005-2009 Cadillac STS V6 3.6L. It meets or exceeds OE standards for fit, form and performance.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bolt holes: 2
- Outlet inside diameter: 1.4 in and .489 in
- Outlet outside diameter: .748 in
- Start-to-open temperature: 180°F (82°C)
Build and materials
- Type: integrated housing thermostat
- Grade type: OE Performance
- Seal quantity: 1
- Jiggle pin check valve: included (1)
- Condition: New
- Country of origin: China
In the box
One integrated housing thermostat with its insert, seal, housing and jiggle pin check valve. The vehicle takes one.
Interchange: 521-180 · 452-180
52180 · 38818 · 48818 · 85949 · 12586468
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
52180, 38818, 48818, 85949, 12586468, 521-180, 452-180, 34055
Frequently Asked Questions
Is the Gates 34055 the right Cadillac STS thermostat for the 2005-2009 Cadillac STS V6 3.6L?
Yes. Gates 34055 fits the 2005-2009 Cadillac STS V6 3.6L, and that engine takes one.
Does this Gates thermostat come with a seal and housing?
Yes. Gates 34055 includes the thermostat, insert, seal and housing, plus a jiggle pin check valve.
What temperature does this engine coolant thermostat start to open at?
This thermostat starts to open at 180°F (82°C).
How do I check this integrated thermostat housing for a leak?
With the engine off and cool, look around the housing for wet coolant, dried residue or cracks. A shop can pressure-test the system if you can't find the source.
Does Gates 34055 replace part number 521-180?
Yes. Gates 34055 is cross-referenced to 521-180, along with 452-180 and 52180.
