Radiator & Components for 2009 Cadillac STS
No.
Part # / Description / Price
Price
2
Radiator Upper Bracket 
GM
GM Positions: Right
Description: 3.6L. 4.6L, without trailer pkg. Helps align and secure your vehicle's radiator mount
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
Collision parts are designed to help promote proper and safe repair
3
Radiator Lower Insulator GM
GM Positions: Right
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
12
Radiator Pipe O-Ring Seal GM
GM Notes: PARTS: Part included with outlet pipe.
Description: Genuine GM OEM Radiator Pipe O-Ring Seal (MPN: 12623519) provides a critical cooling system seal for select GM vehicles. This factory-original component prevents coolant leaks at radiator pipe connections, maintaining proper engine temperature regulation a ...
MSRP $12.92
$9.24
MSRP $12.92
$9.24
14
15 P.S.I. Radiator Surge Tank Cap GM
GM Notes: PARTS: Part included with reservoir tank.
Description: The Genuine GM OEM 15 P.S.I. Radiator Surge Tank Cap (MPN: 15075118) is an essential cooling system component designed to maintain proper pressure regulation and seal integrity in your vehicle's radiator surge tank. This original equipment manufacturer par ...
MSRP $26.18
$15.60
MSRP $26.18
$15.60
16
Radiator Surge Tank Inlet Hose GM
GM Description: The GM OEM Radiator Surge Tank Inlet Hose (MPN: 25800336) is a genuine General Motors replacement part engineered for 3.0L and 3.6L engine applications across select GM vehicles. This factory radiator hose maintains proper coolant circulation from the surg ...
MSRP $141.37
$93.99
MSRP $141.37
$93.99
16
Radiator Inlet Hose GM
GM Positions: Upper
Description: Upgrade your cooling system with the Genuine GM OEM Radiator Inlet Hose (MPN: 25800333), engineered specifically for Cadillac STS and CTS models. This factory-original part directs coolant from the engine to the radiator, maintaining optimal engine tempera ...
MSRP $114.67
$76.23
MSRP $114.67
$76.23
16
Radiator Outlet Hose GM
GM Positions: Lower
Description: STS. SRX. 3.6l. CTS. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
17
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with inlet hose.
Description: The GM OEM Multi-Purpose Clamp (MPN: 11570614) is an authentic General Motors replacement part engineered to secure hoses, tubes, and fluid lines while preventing costly leaks across select GM vehicles. This genuine factory clamp meets strict manufacturer ...
MSRP $12.71
$9.08
MSRP $12.71
$9.08
19
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with outlet hose.
Description: The GM OEM Multi-Purpose Clamp (MPN 11518516) is a genuine General Motors component engineered to secure hoses and prevent coolant leaks in vehicles equipped with 3.6L and 4.6L engines without trailer packages. This authentic GM part meets factory specific ...
MSRP $8.41
$6.02
MSRP $8.41
$6.02
20
Thermostat Housing GM
GM Description: Genuine GM OEM Thermostat Housing (MPN: 12706566) engineered for premium cooling system performance on select Cadillac CTS and STS models with 3.0L and 3.6L engines, including direct injection variants. This complete assembly includes the housing, thermost ...
MSRP $264.63
$144.88
MSRP $264.63
$144.88
21
Engine Coolant Thermostat Housing Gasket GM
GM Notes: PARTS: Part included with thermostat housing.
Description: The Engine Coolant Thermostat Housing Gasket (MPN: 12681140) is a genuine GM OEM part engineered to create a reliable seal between your vehicle's thermostat housing and engine block, preventing costly coolant leaks and ensuring proper engine temperature re ...
MSRP $8.53
$5.10
MSRP $8.53
$5.10
21
Thermostat Housing Seal GM
GM Description: # Product Description
Genuine GM OEM Thermostat Housing Seal (MPN: 12690766) is a critical O-ring component designed to prevent coolant leaks at the thermostat housing on select GM vehicles. This authentic General Motors part maintains proper engine cooli ...
MSRP $37.04
$22.09
MSRP $37.04
$22.09
24
Engine Coolant Thermostat Seal GM
GM Notes: PARTS: Part included with thermostat.
Description: The GM OEM Engine Coolant Thermostat Seal (MPN: 12582472) is a factory-engineered component that prevents coolant leakage from your vehicle's thermostat housing, maintaining proper engine cooling system integrity. This Genuine General Motors part is precis ...
MSRP $11.00
$6.54
MSRP $11.00
$6.54
26
Water Outlet Seal GM
GM Description: Genuine GM OEM Water Outlet Seal (MPN: 12690764) is an original equipment replacement part engineered to maintain a reliable coolant system connection on select GM vehicles. This factory-specification seal prevents coolant leaks at the water outlet housing ...
MSRP $9.55
$5.67
MSRP $9.55
$5.67
27
Engine Coolant Outlet O-Ring GM
GM Description: GM Genuine Engine Coolant Outlet O-Ring (MPN: 12584040) is an OEM replacement seal engineered to prevent coolant leaks at the engine outlet connection on select GM vehicles. This authentic General Motors part maintains proper cooling system integrity and p ...
MSRP $10.83
$6.46
MSRP $10.83
$6.46
27
Engine Coolant Outlet O-Ring GM
GM Description: # Product Description
Upgrade your GM vehicle's cooling system with the Genuine GM OEM Engine Coolant Outlet O-Ring (MPN: 12623461), the factory-original seal engineered for the lower thermostat housing to heater outlet pipe connection. This essential eng ...
MSRP $10.38
$6.19
MSRP $10.38
$6.19