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Mini Replacement Radiator Overflow Tank

Mini Expansion Tank For custom styling with hordes of power car enthusiast go to Mini for their compact car desires. If you revel in a car's style and just have to conserve gas, a stylish Mini is an ideal option. Mini is a trusted dealer of wallet-friendly and gas conserving cars that also deliver compact design. Mini vehicles are respected for featuring superior quality and long lasting durability with classic lines. The Mini you chose was built using quality and expertise; it should get new OEM parts of the same top level of value. Your vehicle has a place in your heart because it has high performance and awesome style, so to keep it purring along in top form you'll want the acme in top-notch parts. Preserve your car's systems by installing the most reliable high-quality parts and accessories. Your car's Mini Expansion Tank retains the excess fluid of the cooling system that was forced out of the radiator and returns it when it cools down. A Mini Expansion Tank protects your radiator by allowing space for your engine coolant to expand as temperatures rise. Your vehicle's Mini Expansion Tank permits the gas in the radiator to increase with the heat and pressure. Nobody will give you a better deal on dependable Mini accessories than we will year in and year out. Whether you own an exotic sports car or a hard working truck, we have all the parts and accessories you are looking for here at PartsGeek.com.

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Review Fitment Notes
Replacement Expansion Tank - for 2008 Mini Cooper S 1.6L 4 Cyl - R52 - 123-124 Click to Enlarge
Website Reviews
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Part Number: 123-124
Brand: Replacement
Notes: Engine Coolant Reservoir -- Front Engine Coolant Reservoir Expansion Tank; With Cap
Product Remark: 1.6L 4-Cylinder
Condition: New
Shipping Options: Free Ground Shipping
$46.95
with FREE Shipping
(2) In Stock
This Part Fits:
Catalog: E
Vehicle Sub Model Body Engine
2008 Mini Cooper S R52 1.6L 4 Cyl
Genuine Expansion Tank - for 2003 Mini Cooper Supercharged - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2003 Mini Cooper Supercharged
Genuine Expansion Tank - for 2004 Mini Cooper Supercharged - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2004 Mini Cooper Supercharged
Front Dorman Expansion Tank - for 2009 Mini Cooper 1.6L 4 Cyl - R56 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$45.43
View Details
This Part Fits:
Catalog: B
Vehicle Body Engine
2009 Mini Cooper R56 1.6L 4 Cyl
Genuine Expansion Tank - for 2002 Mini Cooper Supercharged - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2002 Mini Cooper Supercharged
Genuine Expansion Tank - for 2005 Mini Cooper Supercharged - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2005 Mini Cooper Supercharged
Front Dorman Expansion Tank - for 2007 Mini Cooper 1.6L 4 Cyl - R56 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$45.43
View Details
This Part Fits:
Catalog: B
Vehicle Body Engine
2007 Mini Cooper R56 1.6L 4 Cyl
Genuine Expansion Tank - for 2006 Mini Cooper Supercharged - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2006 Mini Cooper Supercharged
Front Dorman Expansion Tank - for 2010 Mini Cooper 1.6L 4 Cyl - R56 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$45.43
View Details
This Part Fits:
Catalog: B
Vehicle Body Engine
2010 Mini Cooper R56 1.6L 4 Cyl
Front Dorman Expansion Tank - for 2008 Mini Cooper 1.6L 4 Cyl - R56 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$45.43
View Details
This Part Fits:
Catalog: B
Vehicle Body Engine
2008 Mini Cooper R56 1.6L 4 Cyl
APA/URO Parts Expansion Tank - for 2003 Mini Cooper S - 17137529273 Click to Enlarge
5 Stars
APA/URO Parts 17137529273
Expansion Tank
Loading Reviews...
Part Number: 17137529273
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir -- Cap Included
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$38.43
(85) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model
2003 Mini Cooper S
Genuine Expansion Tank - for 2003 Mini Cooper Naturally Aspirated - W0133-1666076 Click to Enlarge
5 Stars
Genuine W0133-1666076
Expansion Tank
Loading Reviews...
Part Number: W0133-1666076
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2003 Mini Cooper Naturally Aspirated
Genuine Expansion Tank - for 2007 Mini Cooper Supercharged - Convertible - W0133-1666077 Click to Enlarge
5 Stars
Genuine W0133-1666077
Expansion Tank
Loading Reviews...
Part Number: W0133-1666077
Brand: Genuine
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$101.88
Our Price: $91.58
(5) In Stock
This Part Fits:
Catalog: A
Vehicle Body Engine
2007 Mini Cooper Convertible Supercharged
Front Dorman Expansion Tank - for 2012 Mini Cooper 1.6L 4 Cyl - R56 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$45.43
View Details
This Part Fits:
Catalog: B
Vehicle Body Engine
2012 Mini Cooper R56 1.6L 4 Cyl
APA/URO Parts Expansion Tank - for 2005 Mini Cooper S - 17137529273 Click to Enlarge
5 Stars
APA/URO Parts 17137529273
Expansion Tank
Loading Reviews...
Part Number: 17137529273
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir -- Cap Included
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$38.43
(85) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model
2005 Mini Cooper S
APA/URO Parts Expansion Tank - for 2004 Mini Cooper S - 17137529273 Click to Enlarge
5 Stars
APA/URO Parts 17137529273
Expansion Tank
Loading Reviews...
Part Number: 17137529273
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir -- Cap Included
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$38.43
(85) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model
2004 Mini Cooper S
Front Dorman Expansion Tank - for 2015 Mini Cooper 1.5L 3 Cyl - R57 - 603-332 Click to Enlarge
5 Stars
Dorman 603-332
Expansion Tank
Loading Reviews...
Part Number: 603-332
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Package Contents: 1 Coolant Reservoir; 1 Cap; Tubing
Color: White
Shipping Options: Ground
$50.98
(1) In Stock
This Part Fits:
Catalog: F
Vehicle Body Engine
2015 Mini Cooper R57 1.5L 3 Cyl
Behr Expansion Tank - for 2008 Mini Cooper S - Convertible - 17 13 7 529 273 Click to Enlarge
5 Stars
Behr 17 13 7 529 273
Expansion Tank
Loading Reviews...
Part Number: 17 13 7 529 273
Brand: Behr
Notes: Coolant Expansion Tank
Condition: New
Shipping Options: Ground
$38.73
(35) In Stock
This Part Fits:
Catalog: G
Vehicle Sub Model Body
2008 Mini Cooper S Convertible
Front Dorman Expansion Tank - for 2008 Mini Cooper S 1.6L 4 Cyl - R52 - 603-331 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 603-331
Brand: Dorman
Notes: Engine Coolant Reservoir
  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience
Position: Front
Condition: New
Color: White
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$54.98
(3) In Stock
This Part Fits:
Catalog: C
Vehicle Sub Model Body Engine
2008 Mini Cooper S R52 1.6L 4 Cyl
APA/URO Parts Expansion Tank - for 2008 Mini Cooper S - Convertible - 17137529273 Click to Enlarge
5 Stars
APA/URO Parts 17137529273
Expansion Tank
Loading Reviews...
Part Number: 17137529273
Brand: APA/URO Parts
Notes: Engine Coolant Reservoir -- Cap Included
  • Guaranteed fitment
  • Precision-molded to OE dimensions to ensure compatibility with original sensors and connections
  • Quality materials resist engine heat and harsh cooling system environment
  • Factory pressure-tested
Condition: New
Shipping Options: Ground
$34.98
(3) In Stock
This Part Fits:
Catalog: T
Vehicle Sub Model Body
2008 Mini Cooper S Convertible
API Expansion Tank - for 2008 Mini Cooper 1.6L 4 Cyl - 1608-495484 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 28799-07395035
Brand: API
Notes: Engine Coolant Reservoir -- With R52 Body Code or S Submodel
Condition: New
Shipping Options: Ground
$36.98
(1) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2008 Mini Cooper 1.6L 4 Cyl
DIY Solutions Expansion Tank - for 2008 Mini Cooper S 1.6L 4 Cyl Supercharged - Convertible - HVA02787 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02787
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- Supercharged; Convertible; L4 1.6L; S
Condition: New
Shipping Options: Free Ground Shipping
$55.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Sub Model Body Engine
2008 Mini Cooper S Convertible 1.6L 4 Cyl Supercharged
Brock Expansion Tank - for 2008 Mini Cooper S FWD 1.6L 4 Cyl Supercharged SOHC GAS - Convertible 2dr - 8667-0028 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 8667-0028
Brand: Brock
Notes: Engine Coolant Reservoir -- 02-08 Mini Cooper S Except R56 Coolant Recovery Tank with Cap
Condition: New
Shipping Options: Free Ground Shipping
$36.98
with FREE Shipping
View Details
This Part Fits:
Catalog: K
Vehicle Sub Model Body Engine Notes
2008 Mini Cooper S FWD Convertible 2dr 1.6L 4 Cyl Supercharged SOHC GAS For MINI Cooper S ONLY and EXCLUDING R56
SKP Expansion Tank - for 2008 Mini Cooper S 1.6L 4 Cyl - R52 - SK603331 Click to Enlarge
5 Stars
SKP SK603331
Expansion Tank
Loading Reviews...
Part Number: SK603331
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Free Ground Shipping
$39.98
with FREE Shipping
View Details
This Part Fits:
Catalog: S
Vehicle Sub Model Body Engine
2008 Mini Cooper S R52 1.6L 4 Cyl
Mahle Expansion Tank - for 2008 Mini Cooper W11B16A - R52 Convertible - CRT 85 000S Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: CRT 85 000S
Brand: Mahle
Notes: Engine Coolant Reservoir -- 144x165x150
Condition: New
Shipping Options: Ground
$38.98
(9) In Stock
This Part Fits:
Catalog: N
Vehicle Body Engine
2008 Mini Cooper R52 Convertible W11B16A

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Some of our Customer Reviews
5 of 5
Verified Customer
4/10/13 02:24 PM - USA

Brand new oem part and the cheapest price I found online. I'll be a regular customer at parts geek. - Frank

- 2006 Mini Cooper Expansion Tank
5 of 5
Verified Customer
5/7/13 02:22 AM - USA

This expansion / overflow bottle looks equivalent in every way to the factory part -- a High quality part at a very good price. - Quality Mini Cooper part - lowest price on Web

- 2002 Mini Cooper Expansion Tank