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GMC G2500 Expansion Tank Reviews
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Shop GMC G2500 Replacement Expansion Tank

Search our online expansion tank 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 GMC G2500 Expansion Tank 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 Expansion Tank brands for the GMC G2500: DormanDIY Solutions

Expansion Tanks available for the following GMC G2500 years: 1991, 1990, 1989, 1988, 1987, 1986, 1985, 91, 90, 89, 88, 87, 86, 85. This part is also sometimes called GMC G2500 Radiator Overflow Tank. We stock expansion tank parts for most GMC models including Sierra 1500, Sierra 2500 HD, Yukon, Safari, C7000 Topkick, Yukon XL 1500, C6000 Topkick, C1500, Envoy, Sonoma, Savana 3500, Envoy XL, K1500, Jimmy, Acadia, C7500 Topkick, C6500 Topkick, Sierra 3500, K2500, Sierra 3500 HD, C4500 Topkick, Savana 1500, Savana 2500, C3500HD, W4500 Forward, C2500, K3500, C3500, Terrain, K1500 Suburban, C5500 Topkick, G1500, Envoy XUV, G3500, Canyon, C8500 Topkick, K2500 Suburban, C5000 Topkick, Yukon XL 2500 and Sierra 2500 HD Classic.

Select your G2500 year

Review Fitment Notes
Showing 15 of 23 Results
Front Dorman Expansion Tank - for 1990 GMC G2500 4.3L V6 - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
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Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1990 GMC G2500 4.3L V6
Front Dorman Expansion Tank - for 1984 GMC G2500 4.1L 6 Cyl - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
Loading Reviews...
Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1984 GMC G2500 4.1L 6 Cyl
Front Dorman Expansion Tank - for 1991 GMC G2500 4.3L V6 - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
Loading Reviews...
Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1991 GMC G2500 4.3L V6
Front Dorman Expansion Tank - for 1986 GMC G2500 4.3L V6 - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
Loading Reviews...
Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1986 GMC G2500 4.3L V6
Front Dorman Expansion Tank - for 1989 GMC G2500 4.3L V6 - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
Loading Reviews...
Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1989 GMC G2500 4.3L V6
Front Dorman Expansion Tank - for 1987 GMC G2500 4.3L V6 - 603-101 Click to Enlarge
5 Stars
Dorman 603-101
Expansion Tank
Loading Reviews...
Part Number: 603-101
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
$17.18
(19) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1987 GMC G2500 4.3L V6
DIY Solutions Expansion Tank - for 1991 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1991 GMC G2500
Dorman Expansion Tank - for 1990 GMC G2500 - W0133-1820086 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-1820086
Brand: Dorman
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$26.17
Our Price: $23.58
View Details
This Part Fits:
Catalog: A
Vehicle
1990 GMC G2500
DIY Solutions Expansion Tank - for 1989 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1989 GMC G2500
DIY Solutions Expansion Tank - for 1988 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1988 GMC G2500
DIY Solutions Expansion Tank - for 1987 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1987 GMC G2500
DIY Solutions Expansion Tank - for 1986 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1986 GMC G2500
DIY Solutions Expansion Tank - for 1985 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1985 GMC G2500
DIY Solutions Expansion Tank - for 1984 GMC G2500 - HVA02638 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02638
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$33.95
with FREE Shipping
(1) In Stock
This Part Fits:
Catalog: Q
Vehicle
1984 GMC G2500
Dorman Expansion Tank - for 1991 GMC G2500 - W0133-1820086 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-1820086
Brand: Dorman
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$26.17
Our Price: $23.58
View Details
This Part Fits:
Catalog: A
Vehicle
1991 GMC G2500

Related Cooling System Parts

GMC G2500 Expansion Tank Reviews
5 of 5
Verified Customer
5/21/19 06:15 AM - USA

This tank is better than the original. High quality. - 1991 GMC G2500 Dorman Expansion Tank - Front

- 1991 GMC G2500 Expansion Tank