Radiator & Components for 2009 Cadillac STS
No.
Part # / Description / Price
Price
3
Radiator Lower Insulator 
GM
GM Positions: Left
Description: 4.6L, with trailer pkg. 3.6 & 2.8L. 4.6L, without trailer package. Wagon, 3.0, 3.6L. Sedan, 3.0L, 3.6L. 3.2L. 4.4L. 5.7 & 6.0L. Coupe, 6.2L. Wagon, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
Radiator Hose Clamp GM
GM Description: 3.6L. 4.6L, with trailer pkg. 4.4L. 3.5L. to engine. 3.5L. to radiator. Easy to install or remove
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
10
Radiator Surge Tank GM
GM Description: 3.6L. SRX. 4.6L, with trailer pkg. STS-v. 4.4L. 4.6L, without trailer package. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
11
15 P.S.I. Radiator Surge Tank Cap GM
GM Notes: PARTS: Part included with reservoir tank.
Description: Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
MSRP $25.54
$15.32
MSRP $25.54
$15.32
12
Overflow Hose GM
GM Notes: PARTS: Part included with reservoir tank.
Description: 3.6L. 4.6L, without trailer pkg. 3.6 & 2.8L. 4.6L, without trailer package. 3.2L. 5.7 & 6.0L. 4.4L.
14
Radiator Surge Tank Engine Hose GM
GM Description: 4.6L, without trailer pkg. 4.6L, with trailer package. 4.4L. 5.7 & 6.0L. Wagon, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
16
Engine Coolant Thermostat Gasket GM
GM Description: STS-v. XLR. 4.4l. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
17
Engine Coolant Thermostat GM
GM Description: XLR. 4.4l. STS-v. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
18
Engine Coolant Water Outlet GM
GM Description: 4.4L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$51.70
$51.70
19
Water Outlet Gasket GM
GM Description: 4.4L. 4.6L. May be made from fiber or a rubberized composite material
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
21
Multi-Purpose Clamp GM
GM Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.17
$5.88
MSRP $8.17
$5.88
No.
Part # / Description / Price
Price
2
Radiator Inlet Hose GM
GM Description: STS-v. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
4
Engine Coolant Thermostat GM
GM Description: XLR. 4.4l. STS-v. Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
6
Engine Coolant Thermostat Gasket GM
GM Description: STS-v. XLR. 4.4l. Seals your vehicle's thermostat housing
Helps prevent coolant from leaking from the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
7
Radiator Surge Tank GM
GM Description: 3.6L. SRX. 4.6L, with trailer pkg. STS-v. 4.4L. 4.6L, without trailer package. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
8
15 P.S.I. Radiator Surge Tank Cap GM
GM Description: Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
MSRP $25.54
$15.32
MSRP $25.54
$15.32
9
Engine Water Pump GM
GM Description: XLR. SRX. 4.6l. STS-v. Thoroughly tested for reliable, leak-resistant performance
Uniform wall sections and smooth coolant-flow cavities for efficient operation
Coated seals with a stainless steel spring for durability
11
Passenger Side Engine Cooling Fan Blade GM
GM Description: CTS-v. Right. STS-v. 4.4L. 6.2L, 7-blade. Coupe, 6.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
12
Engine Cooling Fan Motor GM
GM Description: 4.4L. STS-v. 6.2L. CTS-v. Left. Supplies power to the engine cooling fan
Helps move air across the radiator and A/C condenser
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
13
Engine Cooling Fan Shroud GM
GM Description: CTS-v. STS-v. 4.4L. Wagon, 6.2L. Helps regulate engine temperature
Houses cooling fans
Helps optimize airflow
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors