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Buick Rainier Thermostat Housing Reviews
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Shop Buick Rainier Replacement Thermostat Housing

Search our online thermostat housing 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 Housing 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 Housing brands for the Buick Rainier: ReplacementAPISKPDIY SolutionsAC DelcoDormanTRQMotorad

Select your Rainier year

Review Fitment Notes
Showing 17 of 97 Results
Replacement Engine Coolant Thermostat Housing Assembly - for 2004 Buick Rainier 4.2L 6 Cyl - 121-271 Click to Enlarge
5 Stars
Replacement 121-271
Engine Coolant Thermostat Housing Assembly
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Part Number: 121-271
Brand: Replacement
Notes: Engine Coolant Thermostat Housing Assembly -- 4.2L 6-Cylinder; Thermostat Housing Assembly
Product Remark: Includes Thermostat
Condition: New
Shipping Options: Free Ground Shipping
$22.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2004 Buick Rainier 4.2L 6 Cyl
Replacement Engine Coolant Thermostat Housing Assembly - for 2005 Buick Rainier 4.2L 6 Cyl - 121-271 Click to Enlarge
5 Stars
Replacement 121-271
Engine Coolant Thermostat Housing Assembly
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Part Number: 121-271
Brand: Replacement
Notes: Engine Coolant Thermostat Housing Assembly -- 4.2L 6-Cylinder; Thermostat Housing Assembly
Product Remark: Includes Thermostat
Condition: New
Shipping Options: Free Ground Shipping
$22.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2005 Buick Rainier 4.2L 6 Cyl
Replacement Engine Coolant Thermostat Housing Assembly - for 2004 Buick Rainier 5.3L V8 - 121-457 Click to Enlarge
Website Reviews
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Part Number: 121-457
Brand: Replacement
Notes: Engine Coolant Thermostat Housing Assembly -- Thermostat with Housing Assembly
Product Remark: 12600172, 8125689110, 9022836
Condition: New
Shipping Options: Free Ground Shipping
$21.95
with FREE Shipping
(60) In Stock
This Part Fits:
Catalog: E
Vehicle Engine Notes
2004 Buick Rainier 5.3L V8 Includes Thermostat
API Engine Coolant Thermostat Housing Assembly - for 2007 Buick Rainier 4.2L 6 Cyl - 1601-290231 Click to Enlarge
Website Reviews
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Part Number: 19007-07329428
Brand: API
Notes: Engine Coolant Thermostat Housing Assembly -- Integrated Housing; 192F; Includes housing, thermostat, and seal; OEM Recommended Temp
Condition: New
Shipping Options: Ground
$20.98
(18) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl
SKP Engine Coolant Thermostat Housing Assembly - for 2006 Buick Rainier 5.3L V8 - SK9022836 Click to Enlarge
Website Reviews
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Part Number: SK9022836
Brand: SKP
Notes: Engine Coolant Thermostat Housing Assembly -- Includes Thermostat
  • Built with high-quality materials
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Free Ground Shipping
$23.98
with FREE Shipping
View Details
This Part Fits:
Catalog: S
Vehicle Engine
2006 Buick Rainier 5.3L V8
SKP Engine Coolant Thermostat Housing Assembly - for 2005 Buick Rainier 4.2L 6 Cyl - SK9022131 Click to Enlarge
Website Reviews
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Part Number: SK9022131
Brand: SKP
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 190 Degrees Fahrenheit
  • Built with high-quality materials
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Free Ground Shipping
$24.98
with FREE Shipping
View Details
This Part Fits:
Catalog: S
Vehicle Engine
2005 Buick Rainier 4.2L 6 Cyl
DIY Solutions Engine Coolant Thermostat Housing Assembly - for 2004 Buick Rainier 5.3L V8 - HVA03344 Click to Enlarge
Website Reviews
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Part Number: HVA03344
Brand: DIY Solutions
Notes: Engine Coolant Thermostat Housing Assembly -- V8 5.3L
  • Quality Tested - built to a strict level of product standards.
  • Direct Fit Replacement
Condition: New
Also Used For: LS Swap
Shipping Options: Free Ground Shipping
$28.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2004 Buick Rainier 5.3L V8
AC Delco Engine Coolant Thermostat Housing Assembly - for 2007 Buick Rainier 4.2L 6 Cyl LL8 VIN: S - 15-11006 Click to Enlarge
Website Reviews
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Part Number: 15-11006
Brand: AC Delco
Notes: GM Original Equipment -- New; THERMOSTAT, SEAL, TO WATER PUMP; INCLUDES THERMOSTAT, HOUSING, SEALS, VALVE, RETAINER AND PIPES
  • Repairs leaking thermostat housings
  • Corrects engine overheating caused by failed thermostat
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New
Shipping Options: Ground
$42.39
(53) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl LL8 VIN: S
Dorman Engine Coolant Thermostat Housing Assembly - for 2007 Buick Rainier 4.2L 6 Cyl - 902-800 Click to Enlarge
5 Stars
Dorman 902-800
Engine Coolant Thermostat Housing Assembly
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Part Number: 902-800
Brand: Dorman
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 190 Degrees Fahrenheit
  • Directly replaces the original water outlet
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Condition: New
Grade Type: Regular
Color: Natural
Package Contents: 1 Water Outlet
Shipping Options: Ground
$14.73
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl
Upper Dorman Thermostat Housing - for 2007 Buick Rainier 5.3L V8 - 902-836 Click to Enlarge
Website Reviews
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Part Number: 902-836
Brand: Dorman
Notes: Engine Coolant Thermostat Housing -- Includes Thermostat; Cover
  • Directly replaces the original housing
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Position: Upper
Condition: New
Color: Natural
Package Contents: Thermostat Housing
Shipping Options: Ground
$16.18
(5) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2007 Buick Rainier 5.3L V8
SKP Engine Coolant Thermostat Housing Assembly - for 2007 Buick Rainier 4.2L 6 Cyl - SK9022131 Click to Enlarge
Website Reviews
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Part Number: SK9022131
Brand: SKP
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 190 Degrees Fahrenheit
  • Built with high-quality materials
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Free Ground Shipping
$24.98
with FREE Shipping
View Details
This Part Fits:
Catalog: S
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl
TRQ Engine Coolant Thermostat Housing Assembly - for 2007 Buick Rainier 4.2L 6 Cyl - ECA93513 Click to Enlarge
Website Reviews
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Part Number: ECA93513
Brand: TRQ
Notes: Engine Coolant Thermostat Housing Assembly -- L6 4.2L
Condition: New
Shipping Options: Free Ground Shipping
$32.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl
AC Delco Engine Coolant Thermostat Housing Assembly - for 2006 Buick Rainier 5.3L V8 LH6 VIN: M - 15-11057 Click to Enlarge
5 Stars
AC Delco 15-11057
Engine Coolant Thermostat Housing Assembly
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Part Number: 15-11057
Brand: AC Delco
Notes: Engine Coolant Thermostat Housing Assembly -- New; INCLUDES INLET, SEAL, THERMOSTAT
Condition: New
Shipping Options: Ground
$35.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 Buick Rainier 5.3L V8 LH6 VIN: M
AC Delco Engine Coolant Thermostat Housing Assembly - for 2006 Buick Rainier 4.2L 6 Cyl LL8 VIN: S - 15-11006 Click to Enlarge
Website Reviews
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Part Number: 15-11006
Brand: AC Delco
Notes: GM Original Equipment -- New; THERMOSTAT, SEAL, TO WATER PUMP; INCLUDES THERMOSTAT, HOUSING, SEALS, VALVE, RETAINER AND PIPES
  • Repairs leaking thermostat housings
  • Corrects engine overheating caused by failed thermostat
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New
Shipping Options: Ground
$42.39
(53) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
2006 Buick Rainier 4.2L 6 Cyl LL8 VIN: S
API Engine Coolant Thermostat Housing Assembly - for 2006 Buick Rainier 4.2L 6 Cyl - 1601-290231 Click to Enlarge
Website Reviews
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Part Number: 18721-07329428
Brand: API
Notes: Engine Coolant Thermostat Housing Assembly -- Integrated Housing; 192F; Includes housing, thermostat, and seal; OEM Recommended Temp
Condition: New
Shipping Options: Ground
$20.98
(18) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2006 Buick Rainier 4.2L 6 Cyl
Dorman Thermostat Housing - for 2004 Buick Rainier 5.3L V8 - W0133-2088751 Click to Enlarge
Website Reviews
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Part Number: W0133-2088751
Brand: Dorman
Notes: OE Solutions
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$53.08
Our Price: $33.58
(8) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2004 Buick Rainier 5.3L V8
Motorad Thermostat Housing - for 2007 Buick Rainier 4.2L 6 Cyl - CH2695 Click to Enlarge
Website Reviews
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Part Number: CH2695
Brand: Motorad
Notes: Engine Coolant Thermostat Housing -- Includes housing and seal
  • No special tools required
  • Easy, one step fit and installation
  • Meets or exceeds all OEM standards
Condition: New
Color: Silver
Shipping Options: Ground
$25.83
(1) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2007 Buick Rainier 4.2L 6 Cyl

Related Cooling System Parts

Thermostat Housings available for the following Buick Rainier years: 2006, 2005, 2004, 06, 05, 04. This part is also sometimes called Buick Rainier T-Stat Housing. We stock thermostat housing parts for most Buick models including LaCrosse, Encore, Enclave, LeSabre, Rendezvous, Regal, Skylark, Verano, GS 455, Lucerne, Electra, Skyhawk, Park Avenue, Riviera, Allure, Roadmaster, GS 350, Wildcat and Century.

Some of our Customer Reviews
Verified Customer
3/26/09 08:19 PM - USA

Speedy, accurate delivery of OEM looking distributor Thanks! Pricing is most acceptable, for the apparent quality. I've not installed said parts yet (included ordered replacement seal set), b... - karlosr

Verified Customer
5/19/09 07:52 AM - USA

My experience with ordering part and receiving parts from PartsGeek was wonderful. Not only was the site easier than the national retail outlet sites the cost was less. The cost for shipping was ... - AppleToni