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Cadillac STS Radiators & Hoses

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We stock Genuine OEM Cadillac® Radiators & Hoses for your Cadillac STS. A new OEM radiator can efficiently transfer heat away from the engine, preventing overheating and damage, ensuring smooth and reliable vehicle performance. OEM radiators are specifically designed to fit your vehicle's make and model, optimizing cooling efficiency and improving fuel economy. Investing in an OEM radiator guarantees superior quality, durability, and compatibility with your vehicle. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

Radiator Bypass Hose
Part Number: 12566109
GM GM
Other Names: By-Pass Hose
Description: 4.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Cadillac:
    • SRX,
    • STS,
    • XLR
MSRP $38.21
$26.84
MSRP $38.21
$26.84
Radiator Inlet Hose
Part Number: 25800333
GM GM
Other Names: Upper Hose
Description: STS. CTS. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Cadillac:
    • CTS,
    • STS
MSRP $101.52
$70.05
MSRP $101.52
$70.05
Radiator Outlet Hose Bracket
Part Number: 25752529
GM GM
Other Names: Holder
Description: 4.6L, without trailer pkg. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Cadillac:
    • STS
MSRP $11.99
$9.39
MSRP $11.99
$9.39
Radiator Surge Tank Inlet Hose
Part Number: 25800336
GM GM
Other Names: Inlet Hose
Description: 3.0L, 3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Cadillac:
    • CTS,
    • STS
MSRP $125.16
$86.37
MSRP $125.16
$86.37
Radiator Lower Insulator
Part Number: 15932850
GM GM
Other Names: Lower Insulator
Replaces: 25728136
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,...
Fits:
  • Cadillac:
    • CTS,
    • SRX,
    • STS
MSRP $17.58
$13.09
MSRP $17.58
$13.09
OEM NEW 04-20 GM Buick Cadillac Engine Coolant Outlet Pipe Seal O Ring 12623519
Part Number: 12623519
GM GM
Options: Upper
Other Names: Engine Coolant Pipe O-Ring
Replaces: 12573974, 12588317
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Notes: Included with inlet pipe. Included with outlet pipe. Included with thermostat unit.
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CTS,
    • SRX,
    • STS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Caprice,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
  • Pontiac:
    • G8
  • Saturn:
    • Outlook
MSRP $11.75
$9.17
MSRP $11.75
$9.17
15 P.S.I. Radiator Surge Tank Cap
Part Number: 20898801
GM GM
Other Names: Reservoir Cap, rc116
Description: CTS-v. 3.6L. STS. Coupe, 6.2L. 4.6L, with trailer pkg. Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
Fits:
  • Cadillac:
    • CTS,
    • STS
MSRP $18.20
$11.83
MSRP $18.20
$11.83
OEM NEW 1990-2017 GM Cadillac Engine Radiator Coolant Overflow Tank Cap 15075118
Part Number: 15075118
GM GM
Other Names: Cap, rc98
Replaces: 15066786, 22652695, 22671020
Description: Helps seal and regulate cooling pressure in your vehicle's radiator surge tank
Notes: Included with reservoir tank.
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT,
    • SRX,
    • STS
  • Chevrolet:
    • Avalanche,
    • Avalanche 1500,
    • Avalanche 2500,
    • Captiva Sport,
    • Cavalier,
    • Classic,
    • Cobalt,
    • Equinox,
    • Express 2500,
    • Express 3500,
    • Malibu,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD,
    • Silverado 1500 HD Classic,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • Silverado 3500 HD,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Suburban C1500,
    • Suburban C2500,
    • Tahoe,
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 1500 HD Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Sierra 3500 HD,
    • Suburban C1500,
    • Suburban C2500,
    • Terrain,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2
  • Oldsmobile:
    • Alero,
    • Cutlass,
    • Intrigue
  • Pontiac:
    • G5,
    • G6,
    • Grand Am,
    • Solstice,
    • Sunfire,
    • Torrent
  • Saturn:
    • Aura,
    • Ion,
    • Sky,
    • Vue
MSRP $24.06
$14.93
MSRP $24.06
$14.93
Inlet Hose Clamp
Part Number: 11571098
GM GM
Other Names: Engine Coolant Reservoir Hose Clamp, By-Pass Hose Clamp, Reservoir Hose Clamp, Radiator Hose Clamp, Clamp
Description: 6.0L. 14mm. 3.8, 3.9L. 3.0L, #1. 3.6L.
Notes: Included with inlet hose.
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $10.96
$8.55
MSRP $10.96
$8.55
Multi-Purpose Nut
Part Number: 11518908
GM GM
Options: Left Lower, Left Front, Right Lower, Right Front
Other Names: Radiator Support Panel Nut
Replaces: 10281487
Description: Headlamp assy,retainer nut. Without supercharged, 6.0L. 2009. Mounting insert. With z51 package. Convertible, lower rails, 6mm. Coupe....
Notes: Included with roof bow. Included with impact bar. Included with front rail. Included with radiator support. Included with rear rail...
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • SRX,
    • STS,
    • XLR
  • Chevrolet:
    • Corvette,
    • Silverado 1500
  • GMC:
    • Sierra 1500
  • Saturn:
    • Sky
MSRP $8.81
$6.52
MSRP $8.81
$6.52
OEM NEW 07-18 GM Buick Cadillac Chevrolet Air Deflector Lower Retainer 11589293
Part Number: 11589293
GM GM
Options: Right Outer, Right Front, Right Rear, Right Lower, Right Inner, Right Upper, Left Outer, Left Front, Left Rear, Left Lower, Left Inner, Left Upper, Lower Outer, Lower Front, Lower Rear, Lower, Lower Inner, Lower Upper, Front Outer,...
Other Names: Radiator Support Splash Shield Clip
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Notes: Included with fender liner. Included with lower baffle. Included with bumper assembly. Included with lower deflector. Included with upper...
Fits:
  • Buick:
    • Encore,
    • Encore GX,
    • Envision,
    • LaCrosse,
    • Regal,
    • Regal Sportback,
    • Regal TourX
  • Cadillac:
    • ATS,
    • CT4,
    • CT5,
    • CT6,
    • CTS,
    • Escalade,
    • Escalade ESV,
    • STS,
    • XT4,
    • XTS
  • Chevrolet:
    • Bolt EUV,
    • Bolt EV,
    • Camaro,
    • Colorado,
    • Corvette,
    • Cruze,
    • Cruze Limited,
    • Equinox,
    • Malibu,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Sonic,
    • Spark,
    • Spark EV,
    • SS,
    • Suburban,
    • Tahoe,
    • Trailblazer,
    • Traverse,
    • Trax,
    • Volt
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL
  • Hummer:
    • H3T
  • Pontiac:
    • Torrent
MSRP $7.04
$5.38
MSRP $7.04
$5.38
OEM NEW 1987-2013 GM Cadillac Front Bumper Cover Air Deflector Retainer 14093088
Part Number: 14093088
GM GM
Options: Front Outer, Front Rear, Front Lower, Front Upper, Front, Left Outer, Left Rear, Left Lower, Left Upper, Left Front, Right Outer, Right Rear, Right Lower, Right Upper, Right Front
Other Names: Radiator Support Splash Shield Clip
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Notes: Included with engine harness.
Fits:
  • Buick:
    • LeSabre,
    • Lucerne,
    • Park Avenue,
    • Rainier,
    • Riviera
  • Cadillac:
    • CTS,
    • DeVille,
    • DTS,
    • Seville,
    • SRX,
    • STS
  • Chevrolet:
    • Astro,
    • Beretta,
    • Classic,
    • Corsica,
    • Corvette,
    • Impala,
    • Lumina,
    • Malibu,
    • Monte Carlo,
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Envoy,
    • Envoy XL,
    • Envoy XUV,
    • Safari,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 1500 HD Classic,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500
  • Oldsmobile:
    • Aurora,
    • Bravada,
    • Cutlass
  • Pontiac:
    • Bonneville,
    • Grand Am,
    • Grand Prix,
    • Solstice,
    • Sunfire
MSRP $6.90
$5.27
MSRP $6.90
$5.27

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