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Pontiac Sunfire Expansion Tank Reviews
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Shop Pontiac Sunfire Replacement Expansion Tank

Coolant expands when exposed to heat. There is not enough space in the radiator for the expanded coolant, so it must have a place to go, which is the expansion tank. If you have a leak in this tank, which is the reservoir for extra coolant, you may lose engine coolant, which could ultimately cause your engine to overheat. You can get a new expansion tank that will fit your Pontiac Sunfire by searching for it here. If you also need new radiator hoses, coolant or a radiator, you can also find those here. To be sure that you are getting the right cooling system parts, look for them by the make, model and year of your vehicle. Purchasing a Pontiac is an intelligent choice, now maintaining it in top condition is a great choice!

We stock these Expansion Tank brands for the Pontiac Sunfire: ReplacementDormanAction CrashSKPDIY SolutionsBrockAC Delco

Expansion Tanks available for the following Pontiac Sunfire years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96, 95. This part is also sometimes called Pontiac Sunfire Radiator Overflow Tank. We stock expansion tank parts for most Pontiac models including Grand Am, Grand Prix, G6, Firebird, Torrent, Bonneville, Vibe, Solstice, G3, G5 and G3 Wave.

Select your Sunfire year

Review Fitment Notes
Showing 21 of 110 Results
Replacement Expansion Tank - for 2000 Pontiac Sunfire 2.2L 4 Cyl - 123-011 Click to Enlarge
5 Stars
Replacement 123-011
Expansion Tank
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Part Number: 123-011
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$31.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2000 Pontiac Sunfire 2.2L 4 Cyl
Replacement Expansion Tank - for 2001 Pontiac Sunfire 2.2L 4 Cyl - 123-011 Click to Enlarge
5 Stars
Replacement 123-011
Expansion Tank
Loading Reviews...
Part Number: 123-011
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$31.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2001 Pontiac Sunfire 2.2L 4 Cyl
Replacement Expansion Tank - for 1999 Pontiac Sunfire 2.4L 4 Cyl - 123-011 Click to Enlarge
5 Stars
Replacement 123-011
Expansion Tank
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Part Number: 123-011
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$31.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
1999 Pontiac Sunfire 2.4L 4 Cyl
Replacement Expansion Tank - for 2003 Pontiac Sunfire 2.2L 4 Cyl - 123-011 Click to Enlarge
5 Stars
Replacement 123-011
Expansion Tank
Loading Reviews...
Part Number: 123-011
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$31.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2003 Pontiac Sunfire 2.2L 4 Cyl
Replacement Expansion Tank - for 2002 Pontiac Sunfire - 123-011 Click to Enlarge
5 Stars
Replacement 123-011
Expansion Tank
Loading Reviews...
Part Number: 123-011
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK, WITH CAP
Condition: New
Shipping Options: Free Ground Shipping
$31.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle
2002 Pontiac Sunfire
Front Dorman Expansion Tank - for 2001 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
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Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 2002 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 2000 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2000 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 1998 Pontiac Sunfire 2.2L 4 Cyl - 603-127 Click to Enlarge
5 Stars
Dorman 603-127
Expansion Tank
Loading Reviews...
Part Number: 603-127
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: Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$58.43
(18) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1998 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 1999 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1999 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 2004 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 2005 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 2003 Pontiac Sunfire 2.2L 4 Cyl - 603-109 Click to Enlarge
4.9 Stars
Dorman 603-109
Expansion Tank
Loading Reviews...
Part Number: 603-109
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
Color: White
Shipping Options: Ground
$26.18
(74) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Pontiac Sunfire 2.2L 4 Cyl
Front Dorman Expansion Tank - for 1997 Pontiac Sunfire 2.2L 4 Cyl - 603-127 Click to Enlarge
5 Stars
Dorman 603-127
Expansion Tank
Loading Reviews...
Part Number: 603-127
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: Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$58.43
(18) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1997 Pontiac Sunfire 2.2L 4 Cyl
Dorman Expansion Tank - for 2001 Pontiac Sunfire - W0133-2051490 Click to Enlarge
5 Stars
Dorman W0133-2051490
Expansion Tank
Loading Reviews...
Part Number: W0133-2051490
Brand: Dorman
Product Remark: w/Sensor
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$80.17
Our Price: $29.58
(2) In Stock
This Part Fits:
Catalog: A
Vehicle
2001 Pontiac Sunfire
Action Crash Expansion Tank - for 2002 Pontiac Sunfire - GM3014120 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: GM3014120
Brand: Action Crash
Notes: COOLANT RECOVERY TANK WITH CAP
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$103.45
Our Price: $61.98
(8) In Stock
This Part Fits:
Catalog: D
Vehicle Notes
2002 Pontiac Sunfire COOLANT RECOVERY TANK WITH CAP
Front Dorman Expansion Tank - for 1998 Pontiac Sunfire 2.2L 4 Cyl - 603-127 Click to Enlarge
5 Stars
Dorman 603-127
Expansion Tank
Loading Reviews...
Part Number: 603-127
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: Clear
Package Contents: 1 Coolant Reservoir; 1 Cap
Shipping Options: Ground
$57.98
(3) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
1998 Pontiac Sunfire 2.2L 4 Cyl
SKP Expansion Tank - for 1998 Pontiac Sunfire 2.4L 4 Cyl - SK603127 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: SK603127
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Ground
$41.98
(9) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
1998 Pontiac Sunfire 2.4L 4 Cyl
DIY Solutions Expansion Tank - for 2002 Pontiac Sunfire 2.4L 4 Cyl - HVA02640 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02640
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- L4 2.4L
Condition: New
Shipping Options: Free Ground Shipping
$40.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2002 Pontiac Sunfire 2.4L 4 Cyl
Brock Expansion Tank - for 2005 Pontiac Sunfire - 1667-0002 Click to Enlarge
5 Stars
Brock 1667-0002
Expansion Tank
Loading Reviews...
Part Number: 1667-0002
Brand: Brock
Notes: Engine Coolant Reservoir -- 99-03 Chevy Malibu Coolant Recovery Tank with Cap 04-05 Chevy Malibu Classic 99-05 Chevy Cavalier 99-05 Pontiac Grand Am 99-04 Oldsmobile Alero 03-06 Chevy SSR 99-05 Pontiac Sunfire 99 Oldsmobile Cutlass
Condition: New
Shipping Options: Free Ground Shipping
$49.98
with FREE Shipping
(29) In Stock
This Part Fits:
Catalog: K
Vehicle
2005 Pontiac Sunfire
AC Delco Expansion Tank - for 2005 Pontiac Sunfire - 19332882 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 19332882
Brand: AC Delco
Notes: Engine Coolant Reservoir -- New; EXCEPT MEXICAN (P96)
Condition: New
Shipping Options: Ground
$70.98
(3) In Stock
This Part Fits:
Catalog: N
Vehicle
2005 Pontiac Sunfire

Related Cooling System Parts

Pontiac Sunfire Expansion Tank Reviews
5 of 5
Verified Customer
3/11/14 11:35 AM - USA

like new good prouduct fast shipping. great price and fit just like the origanal - marshall

- 2001 Pontiac Sunfire Expansion Tank
5 of 5
Verified Customer
5/19/14 10:21 AM - USA

The expansion tank was an EXACT fit replacement with OEM quality for a FRACTION of the dealer price. Shipping was fast and the repair took all of fifteen minutes to complete. Can't be an easier and the pricing is great. - LEP

- 1999 Pontiac Sunfire Expansion Tank
5 of 5
Verified Customer
6/17/14 11:39 AM - USA

I order a water expansion tank for my 2005 Pontiac Sunfire and it was identical to the original part, so the fit was perfect. i am not looking for other parts for my vehicales. - A. Celestino

- 2005 Pontiac Sunfire Expansion Tank
5 of 5
Verified Customer
10/13/18 09:29 AM - USA

I get it very fast

Efficient service

Thank you - Hector Murillo

- 1998 Pontiac Sunfire Expansion Tank
5 of 5
Verified Customer
3/9/19 09:29 AM - USA

I was very happy to find a new replacement part. It works great. - Perfect

- 1997 Pontiac Sunfire Expansion Tank