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Buick Rainier Thermostat

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We stock Genuine OEM Buick Thermostat for your Buick Rainier. OEM thermostats are designed and manufactured to fit and function perfectly with your specific make and model of vehicle. They are designed to regulate the flow of coolant through your engine, ensuring that your engine operates at the correct temperature range. A malfunctioning thermostat can cause overheating, poor fuel efficiency, and potential engine damage, so replacing it with an OEM part can ensure optimal performance and reliability. Additionally, using an OEM thermostat can help ensure that the part is covered under the manufacturer's warranty. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

55555984 - : 2009-2011 Chevrolet Aveo5 - Engine Coolant Thermostat Housing Plug O-Ring for Chevrolet: Aveo5 Image

2009-2011 Chevrolet Aveo5 - Engine Coolant Thermostat Housing Plug O-Ring
Part Number: 55555984
GM GM
Notes: Included with thermostat housing.
Other Names: Thermostat Housing Seal
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Chevrolet:
    • Aveo5
MSRP $1.69
$1.11
12570307 - : 2000-2009 GM - Engine Coolant Water Inlet Seal for Buick: LaCrosse, Rainier | Cadillac: CTS, Escalade, Escalade ESV, Escalade EXT | Chevrolet: Avalanche 1500, Avalanche 2500, Corvette, Express 1500, Express 2500, Express 3500, Impala, Monte Carlo, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Trailblazer EXT | GMC: Envoy, Envoy XL, Envoy XUV, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500 | Hummer: H2 | Pontiac: G8, Grand Prix, GTO Image

2000-2009 GM - Engine Coolant Water Inlet Seal
Part Number: 12570307
GM GM
Notes: Included with water inlet. Included with inlet assembly. Included with thermostat housing. Included with Water pump assembly.
Applications: 5.7L. 6.0L, 6.2L. 3.5L, 3.9L, 5.3L.
Other Names: Engine Coolant Thermostat Gasket, 845
Description: Helps close and prevent coolant from leaking out of your vehicle's cooling system components to maintain the proper engine temperature...
Fits:
  • Buick:
    • LaCrosse,
    • Rainier
  • Cadillac:
    • CTS,
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 1500,
    • Avalanche 2500,
    • Corvette,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Impala,
    • Monte Carlo,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 1500 HD,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe,
    • Trailblazer,
    • Trailblazer EXT
  • GMC:
    • Envoy,
    • Envoy XL,
    • Envoy XUV,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 1500 HD,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 3500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • Hummer:
    • H2
  • Pontiac:
    • G8,
    • Grand Prix,
    • GTO
MSRP $7.94
$5.16
12559575 - : 1996-2007 GM - Engine Coolant Thermostat for Chevrolet: Avalanche 2500, C2500, C3500, C3500HD, Express 3500, K2500 Pickup, K3500 Pickup, P30, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Suburban 2500, Suburban C2500, Suburban K2500 | GMC: C2500 Pickup, C3500 Pickup, C3500HD, K2500 Pickup, K3500 Pickup, P3500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Suburban C2500, Suburban K2500, Yukon XL 2500 Image

1996-2007 GM - Engine Coolant Thermostat
Part Number: 12559575
GM GM
Notes: Included with thermostat housing.
Applications: 8 CYLINDER. 5.0L, 5.7L, 6.2L, 6.5L, 7.4L, 8.1L.
Other Names: Engine Coolant Thermostat, 781
Replaces: 12559269, 12559573
Description: Express, savana. 7.4l. Express, savana. 8.1l. Controls the flow of coolant through your vehicle's radiator to help the engine reach and...
Fits:
  • Chevrolet:
    • Avalanche 2500,
    • C2500,
    • C3500,
    • C3500HD,
    • Express 3500,
    • K2500 Pickup,
    • K3500 Pickup,
    • P30,
    • Silverado 2500 HD,
    • Silverado 2500 HD Classic,
    • Silverado 3500,
    • Silverado 3500 Classic,
    • Suburban 2500,
    • Suburban C2500,
    • Suburban K2500
  • GMC:
    • C2500 Pickup,
    • C3500 Pickup,
    • C3500HD,
    • K2500 Pickup,
    • K3500 Pickup,
    • P3500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 2500 HD Classic,
    • Sierra 3500,
    • Sierra 3500 Classic,
    • Suburban C2500,
    • Suburban K2500,
    • Yukon XL 2500
MSRP $27.02
$16.89
12689041 - : 2007-2017 GM - Engine Coolant Thermostat and Housing Assembly for Buick: Enclave | Chevrolet: Traverse | GMC: Acadia, Acadia Limited | Saturn: Outlook Image

2007-2017 GM - Engine Coolant Thermostat and Housing Assembly
Part Number: 12689041
GM GM
Notes: Includes Thermostat.
Other Names: Thermostat Housing, 1288
Replaces: 12599235, 12616820, 12631895, 12638893
Description: Enclave, Traverse. Outlook. Acadia Limited. Repairs leaking thermostat housings
Fits:
  • Buick:
    • Enclave
  • Chevrolet:
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited
  • Saturn:
    • Outlook
MSRP $112.24
$62.29
25199828 - : 2012-2018 Chevrolet - Engine Coolant Thermostat Water Outlet Assembly with Seal for Chevrolet: Cruze, Cruze Limited, Sonic | Pontiac: G3 Image

2012-2018 Chevrolet - Engine Coolant Thermostat Water Outlet Assembly with Seal
Part Number: 25199828
GM GM
Notes: Included with thermostat housing.
Applications: 1.8L.
Other Names: Engine Coolant Thermostat Kit
Replaces: 55564891, 55578419, 55587349, 55597008, 96980318, 96984104
Description: Sonic. 1.8L. Incl.Housing and Thermostat. Controls the flow of coolant through your vehicle's radiator to help the engine reach and...
Fits:
  • Chevrolet:
    • Cruze,
    • Cruze Limited,
    • Sonic
  • Pontiac:
    • G3
MSRP $197.25
$109.47
12622316 - : 2004-2012 GM - Engine Coolant Thermostat and Housing Assembly for Chevrolet: Colorado | GMC: Canyon | Hummer: H3, H3T Image

2004-2012 GM - Engine Coolant Thermostat and Housing Assembly
Part Number: 12622316
GM GM
Notes: Includes Thermostat And Seal.
Applications: 2.8L, 2.9L, 3.5L, 3.7L.
Other Names: Thermostat Housing, 1154
Replaces: 12579956, 12620113
Description: Canyon, Colorado. 2.8 & 2.9L. Hummer H3. 3.7L. This GM Genuine part is designed, engineered and tested to rigorous standards, and are...
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
  • Hummer:
    • H3,
    • H3T
MSRP $160.38
$89.01
12680457 - : 2017-2024 GM - Engine Coolant Thermostat for Chevrolet: Silverado 2500 HD, Silverado 3500 HD | GMC: Sierra 2500 HD, Sierra 3500 HD Image

2017-2024 GM - Engine Coolant Thermostat
Part Number: 12680457
GM GM
Notes: Part cannot be reused/reinstalled.
Applications: 6.6L DIESEL.
Description: 6.6L diesel, 180 deg. Silverado, Sierra 2500 HD. 180 degrees. Silverado, Sierra 3500 HD. 180 degrees. Silverado, sierra. 6.6l. 180...
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $82.56
$47.46
24505924 - : 1991-2009 GM - 195 Degrees Engine Coolant Thermostat with Gasket for Buick: Century, LaCrosse, LeSabre, Lucerne, Park Avenue, Regal, Riviera, Skylark | Chevrolet: Astro, Blazer, Camaro, Impala, Lumina, Lumina APV, Monte Carlo, S10, S10 Blazer | GMC: Jimmy, Safari, Sonoma | Oldsmobile: 88, 98, Achieva, Bravada, Cutlass Ciera, Cutlass Cruiser, Intrigue, LSS, Regency, Silhouette, Toronado | Pontiac: Bonneville, Firebird, Grand Am, Grand Prix, Trans Sport Image

1991-2009 GM - 195 Degrees Engine Coolant Thermostat with Gasket
Part Number: 24505924
GM GM
Notes: Includes Gasket.
Applications: 2.8L, 4.3L. 3.4L, 3.8L.
Other Names: Engine Coolant Thermostat, 10875
Replaces: 10207375
Description: Controls the flow of coolant through your vehicle's radiator to help it reach and maintain optimal operating temperature
Fits:
  • Buick:
    • Century,
    • LaCrosse,
    • LeSabre,
    • Lucerne,
    • Park Avenue,
    • Regal,
    • Riviera,
    • Skylark
  • Chevrolet:
    • Astro,
    • Blazer,
    • Camaro,
    • Impala,
    • Lumina,
    • Lumina APV,
    • Monte Carlo,
    • S10,
    • S10 Blazer
  • GMC:
    • Jimmy,
    • Safari,
    • Sonoma
  • Oldsmobile:
    • 88,
    • 98,
    • Achieva,
    • Bravada,
    • Cutlass Ciera,
    • Cutlass Cruiser,
    • Intrigue,
    • LSS,
    • Regency,
    • Silhouette,
    • Toronado
  • Pontiac:
    • Bonneville,
    • Firebird,
    • Grand Am,
    • Grand Prix,
    • Trans Sport
MSRP $48.56
$27.92
3522957 - : Engine Coolant Outlet Gasket for Cadillac: 60 Special, Allante, DeVille, Eldorado, Fleetwood, Seville Image

Engine Coolant Outlet Gasket
Part Number: 03522957
GM GM
Other Names: Thermostat Housing Gasket, Gasket
Description: 4.9L, lower.
Fits:
  • Cadillac:
    • 60 Special,
    • Allante,
    • DeVille,
    • Eldorado,
    • Fleetwood,
    • Seville
MSRP $9.30
$5.49
10112301 - : Engine Coolant Thermostat for Chevrolet: Beretta, Cavalier, Corsica Image

Engine Coolant Thermostat
Part Number: 10112301
GM GM
Other Names: Thermostat
Description: All models. All. 2.2l.
Fits:
  • Chevrolet:
    • Beretta,
    • Cavalier,
    • Corsica
MSRP $14.90
$8.79
24447061 - : 2000-2003 GM - Engine Coolant Thermostat Housing O-Ring for Cadillac: CTS | Saturn: L300, LS2, LW2, LW300, Vue Image

2000-2003 GM - Engine Coolant Thermostat Housing O-Ring
Part Number: 24447061
GM GM
Notes: Included with thermostat housing.
Other Names: Thermostat Housing Gasket
Description: 3.0L. 3.2L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Fits:
  • Cadillac:
    • CTS
  • Saturn:
    • L300,
    • LS2,
    • LW2,
    • LW300,
    • Vue
$4.25
14077122 - : 1984-1993 GM - Engine Coolant Thermostat for Chevrolet: Blazer, C/K Pickup, G20, G30, K1500 Pickup, K5 Blazer, P20, P30, R10, R20, R2500, R30, R3500, Suburban C10, Suburban C20, Suburban K10, Suburban K20, Suburban R10, Suburban R1500, Suburban R20, Suburban R2500, Suburban V10, Suburban V1500, Suburban V20, Suburban V2500, V10, V20, V30, V3500 | GMC: C1500 Pickup, C2500 Pickup, C3500 Pickup, G2500, G3500, Jimmy, K1500 Pickup, K2500 Pickup, K3500 Pickup, P2500, P3500, R1500 Pickup, R2500 Pickup, R3500 Pickup, Suburban C1500, Suburban C2500, Suburban K1500, Suburban K2500, Suburban R1500, Suburban R2500, V1500, V1500 Suburban, V2500, V2500 Suburban, V3500 Image

1984-1993 GM - Engine Coolant Thermostat
Part Number: 14077122
GM GM
Applications: 8 CYLINDER. 5.0L, 5.7L, 6.2L, 7.4L.
Other Names: Engine Coolant Thermostat, 1588
Description: G10-30 vans. 6.2l, diesel. All models. 6.2l diesel. Controls the flow of coolant through your vehicle's radiator to help the engine...
Fits:
  • Chevrolet:
    • Blazer,
    • C/K Pickup,
    • G20,
    • G30,
    • K1500 Pickup,
    • K5 Blazer,
    • P20,
    • P30,
    • R10,
    • R20,
    • R2500,
    • R30,
    • R3500,
    • Suburban C10,
    • Suburban C20,
    • Suburban K10,
    • Suburban K20,
    • Suburban R10,
    • Suburban R1500,
    • Suburban R20,
    • Suburban R2500,
    • Suburban V10,
    • Suburban V1500,
    • Suburban V20,
    • Suburban V2500,
    • V10,
    • V20,
    • V30,
    • V3500
  • GMC:
    • C1500 Pickup,
    • C2500 Pickup,
    • C3500 Pickup,
    • G2500,
    • G3500,
    • Jimmy,
    • K1500 Pickup,
    • K2500 Pickup,
    • K3500 Pickup,
    • P2500,
    • P3500,
    • R1500 Pickup,
    • R2500 Pickup,
    • R3500 Pickup,
    • Suburban C1500,
    • Suburban C2500,
    • Suburban K1500,
    • Suburban K2500,
    • Suburban R1500,
    • Suburban R2500,
    • V1500,
    • V1500 Suburban,
    • V2500,
    • V2500 Suburban,
    • V3500
MSRP $105.14
$58.35
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