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Buick Rainier Thermostat Reviews
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Shop Buick Rainier Replacement Thermostat

Search our online thermostat catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Buick Rainier Thermostat parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day.

We stock these Thermostat brands for the Buick Rainier: ReplacementGatesAC DelcoStantMahleAPISKPMishimotoMotorad

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Review Fitment Notes
Showing 20 of 118 Results
Replacement Thermostat Assembly - for 2004 Buick Rainier 5.3L V8 - 121-165 Click to Enlarge
5 Stars
Replacement 121-165
Thermostat Assembly
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Part Number: 121-165
Brand: Replacement
Notes: Engine Coolant Thermostat / Water Outlet Assembly
Product Remark: Includes Thermostat and Housing.
Condition: New
Shipping Options: Free Ground Shipping
$17.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine Notes
2004 Buick Rainier 5.3L V8 with 1 Piece Integrated Thermostat Assembly
Gates Thermostat - for 2006 Buick Rainier 4.2L 6 Cyl - W0133-1822284 Click to Enlarge
5 Stars
Gates W0133-1822284
Thermostat
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Part Number: W0133-1822284
Brand: Gates
Notes: OE Type - Incl.Gasket, Housing and Thermostat
Detailed Notes: Includes Coolant Outlet Housing and O-Ring
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$82.32
Our Price: $20.58
(39) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2006 Buick Rainier 4.2L 6 Cyl
AC Delco Thermostat - for 2005 Buick Rainier 4.2L 6 Cyl - W0133-1822284 Click to Enlarge
Website Reviews
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Part Number: W0133-1822284
Brand: AC Delco
Notes: Genuine GM - Incl.Gasket, Housing and Thermostat
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$82.32
Our Price: $44.58
(73) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2005 Buick Rainier 4.2L 6 Cyl
Gates Thermostat - for 2004 Buick Rainier 4.2L 6 Cyl - W0133-1822284 Click to Enlarge
5 Stars
Gates W0133-1822284
Thermostat
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Part Number: W0133-1822284
Brand: Gates
Notes: OE Type - Incl.Gasket, Housing and Thermostat
Detailed Notes: Includes Coolant Outlet Housing and O-Ring
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$82.32
Our Price: $20.58
(39) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2004 Buick Rainier 4.2L 6 Cyl
Stant Thermostat Assembly - for 2006 Buick Rainier - 14659 Click to Enlarge
Website Reviews
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Part Number: 14659
Brand: Stant
Notes: Integrated Thermostat Housing -- Temperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side
Condition: New
Temperature (F): 187 Degrees
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2006 Buick Rainier
Stant Thermostat Assembly - for 2004 Buick Rainier - 14659 Click to Enlarge
Website Reviews
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Part Number: 14659
Brand: Stant
Notes: Integrated Thermostat Housing -- Temperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side
Condition: New
Temperature (F): 187 Degrees
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Buick Rainier
AC Delco Thermostat - for 2004 Buick Rainier 4.2L 6 Cyl - W0133-1822284 Click to Enlarge
Website Reviews
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Part Number: W0133-1822284
Brand: AC Delco
Notes: Genuine GM - Incl.Gasket, Housing and Thermostat
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$82.32
Our Price: $44.58
(73) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2004 Buick Rainier 4.2L 6 Cyl
Mahle Thermostat - for 2004 Buick Rainier 4.2L 6 Cyl - TI 226 88 Click to Enlarge
Website Reviews
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Part Number: TI 226 88
Brand: Mahle
Notes: OEM -- Thermostat Type Integral Thermostat; Start to Open Temperature 88 C; Gasket or Seal Included
Condition: New
Gasket Or Seal Included: Yes
Shipping Options: Ground
$30.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2004 Buick Rainier 4.2L 6 Cyl
Gates Thermostat - for 2005 Buick Rainier 4.2L 6 Cyl - W0133-1822284 Click to Enlarge
5 Stars
Gates W0133-1822284
Thermostat
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Part Number: W0133-1822284
Brand: Gates
Notes: OE Type - Incl.Gasket, Housing and Thermostat
Detailed Notes: Includes Coolant Outlet Housing and O-Ring
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$82.32
Our Price: $20.58
(39) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2005 Buick Rainier 4.2L 6 Cyl
Gates Thermostat - for 2006 Buick Rainier 4.2L 6 Cyl GAS - 33939 Click to Enlarge
5 Stars
Gates 33939
Thermostat
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Part Number: 33939
Brand: Gates
Notes: Integrated Housing Thermostat -- 192 Degree; OE Temperature; Seal included
Condition: New
Temperature (C): 88
Shipping Options: Ground
$22.18
(25) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Buick Rainier 4.2L 6 Cyl GAS
Gates Thermostat - for 2005 Buick Rainier 5.3L V8 GAS - 33963 Click to Enlarge
4 Stars
Gates 33963
Thermostat
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Part Number: 33963
Brand: Gates
Notes: Heavy-Duty Thermostat -- Excludes Housing; 186 Degree; OE Temperature; Seal included
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$10.18
(23) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Buick Rainier 5.3L V8 GAS
Stant Thermostat - for 2004 Buick Rainier - 14948 Click to Enlarge
5 Stars
Stant 14948
Thermostat
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Part Number: 14948
Brand: Stant
Notes: Heavy-Duty Thermostat -- Temperature 186 Degrees; Seal Included - Seal; Excludes Housing; OE Temperature
Condition: New
Temperature (F): 186 Degrees
Shipping Options: Ground
$17.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Buick Rainier
API Thermostat - for 2007 Buick Rainier 5.3L V8 - 1601-317694 Click to Enlarge
Website Reviews
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Part Number: 19007-07524294
Brand: API
Notes: Engine Coolant Thermostat -- Standard; 187F; Includes seal; OEM Recommended Temp
Condition: New
Shipping Options: Ground
$26.98
(61) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2007 Buick Rainier 5.3L V8
API Thermostat - for 2006 Buick Rainier 5.3L V8 - 1601-290245 Click to Enlarge
5 Stars
API 1601-290245
Thermostat
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Part Number: 18721-07252944
Brand: API
Notes: Engine Coolant Thermostat -- Standard; 187F; Includes seal; Thermostat only; OEM Recommended Temp
Condition: New
Shipping Options: Ground
$16.98
View Details
This Part Fits:
Catalog: P
Vehicle Engine
2006 Buick Rainier 5.3L V8
SKP Thermostat Assembly - for 2005 Buick Rainier 4.2L 6 Cyl GAS - SK33939 Click to Enlarge
Website Reviews
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Part Number: SK33939
Brand: SKP
Notes: Engine Coolant Thermostat / Water Outlet Assembly -- 190 Degree; 192 Degree; Seal Included
  • Meets or exceeds OEM specifications
  • Rigorous quality control measures
  • 12-month SKP limited warranty
Condition: New
Shipping Options: Free Ground Shipping
$32.98
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: S
Vehicle Engine
2005 Buick Rainier 4.2L 6 Cyl GAS
Mishimoto Thermostat - for 2007 Buick Rainier CXL 5.3L V8 - MMTS-VET-05 Click to Enlarge
Website Reviews
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Part Number: MMTS-VET-05
Brand: Mishimoto
Notes: Engine Coolant Thermostat
Condition: New
Shipping Options: Ground
$49.95
View Details
This Part Fits:
Catalog: F
Vehicle Sub Model Engine Transmission
2007 Buick Rainier CXL 5.3L V8 Automatic
Stant Thermostat Assembly - for 2007 Buick Rainier - 14659 Click to Enlarge
Website Reviews
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Part Number: 14659
Brand: Stant
Notes: Integrated Thermostat Housing -- Temperature 187 Degrees; Seal Included - Seal; OE Temperature, Located on Drivers side
Condition: New
Temperature (F): 187 Degrees
Shipping Options: Ground
$30.08
(51) In Stock
This Part Fits:
Catalog: H
Vehicle
2007 Buick Rainier
Motorad Thermostat - for 2006 Buick Rainier 5.3L V8 - 5456-187 Click to Enlarge
Website Reviews
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Part Number: 5456-187
Brand: Motorad
Notes: UltraStat -- Temperature 187F; Includes seal; Thermostat only; OEM Recommended Temp
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX(TM) wax mixture provides quicker reaction time
  • AccuSpring(TM) Design for stable temperature control and increased cabin comfort
  • Exclusive BLVT(TM) Valve Technology minimizes thermal shock to cooling system components
Condition: New
Temperature (Degree): 187
Shipping Options: Ground
$11.73
(4) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2006 Buick Rainier 5.3L V8
Gates Thermostat - for 2007 Buick Rainier 4.2L 6 Cyl GAS - 33939 Click to Enlarge
5 Stars
Gates 33939
Thermostat
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Part Number: 33939
Brand: Gates
Notes: Integrated Housing Thermostat -- 192 Degree; OE Temperature; Seal included
Condition: New
Temperature (C): 88
Shipping Options: Ground
$18.73
(8) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl GAS
Gates Thermostat - for 2006 Buick Rainier 5.3L V8 GAS - 33963 Click to Enlarge
4 Stars
Gates 33963
Thermostat
Loading Reviews...
Part Number: 33963
Brand: Gates
Notes: Heavy-Duty Thermostat -- Excludes Housing; 186 Degree; OE Temperature; Seal included
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$9.73
(25) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
2006 Buick Rainier 5.3L V8 GAS

Related Cooling System Parts

Thermostats available for the following Buick Rainier years: 2007, 2006, 2005, 2004, 07, 06, 05, 04. This part is also sometimes called Buick Rainier Thermostats. We stock thermostat parts for most Buick models including LeSabre, Century, Rendezvous, Enclave, Regal, Park Avenue, Lucerne, LaCrosse, Riviera, Encore, Roadmaster, Electra, Skylark, Terraza, Wildcat, Special, GS 455, Reatta, Special 40, Verano, Special Series 40, Centurion, Invicta, Super Series 50, Skyhawk, GS, Gran Sport, Super, Roadmaster Series 70, GS 400, Limited Series 90, Sportwagon, GS 350, Roadmaster Series 80, Allure, Estate Wagon, Apollo, Commercial Chassis, Somerset and Somerset Regal.

Buick Rainier Thermostat Reviews
5 of 5
Verified Customer
11/13/17 01:44 PM - USA

I have used geekparts several times and have had an exelent time doing business with you guys - skips aircraft

- 2004 Buick Rainier Thermostat