Discount Auto Parts and Accessories Auto Parts Since 2008
Call To Order: 1-800-541-9352

Get the Best Priced GMC Sierra 3500 Expansion Tank

Select Your Vehicle:
GMC Sierra 3500 Expansion Tank Reviews
Loading Reviews...
  • Buy With Confidence
    Delivering reliable auto parts service since 2008
  • 30 Day Returns
    Ordered the wrong part? Enjoy peace of mind with easy returns
  • Call To Order
    Need help ordering? Call us toll free at 1-800-541-9352 to order
  • Fast Delivery
    Get the parts and accessories you need when you need them
  • Huge Selection
    Huge selection of OEM, stock replacement or aftermarket accessories
  • Competitive Prices
    We have the all the parts you need at the most competitive prices

Shop GMC Sierra 3500 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 Sierra 3500 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 Sierra 3500: ReplacementDormanAC DelcoSKPDIY SolutionsAction CrashBrock

Expansion Tanks available for the following GMC Sierra 3500 years: 2006, 2005, 2004, 2003, 2002, 2001, 06, 05, 04, 03, 02, 01. This part is also sometimes called GMC Sierra 3500 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, Envoy, C1500, Sonoma, Savana 3500, Envoy XL, K1500, Jimmy, Acadia, C6500 Topkick, C7500 Topkick, K2500, C4500 Topkick, Savana 2500, C3500HD, W4500 Forward, Savana 1500, Sierra 3500 HD, G2500, C2500, C3500, Terrain, K3500, K1500 Suburban, C5500 Topkick, G1500, Envoy XUV, G3500, K2500 Suburban, C5000 Topkick, Canyon, S15 Jimmy, C1500 Suburban and C8500 Topkick.

Select your Sierra 3500 year

Review Fitment Notes
Showing 19 of 149 Results
Replacement Expansion Tank - for 2002 GMC Sierra 3500 6.0L V8 - 123-072 Click to Enlarge
5 Stars
Replacement 123-072
Expansion Tank
Loading Reviews...
Part Number: 123-072
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK BOTTLE, WITH CAP
Condition: New
Shipping Options: Ground
$42.95
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2002 GMC Sierra 3500 6.0L V8
Replacement Expansion Tank - for 2003 GMC Sierra 3500 6.0L V8 - 123-072 Click to Enlarge
5 Stars
Replacement 123-072
Expansion Tank
Loading Reviews...
Part Number: 123-072
Brand: Replacement
Notes: Engine Coolant Reservoir -- ENGINE COOLANT RADIATOR OVERFLOW TANK BOTTLE, WITH CAP
Condition: New
Shipping Options: Ground
$42.95
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2003 GMC Sierra 3500 6.0L V8
Replacement Expansion Tank - for 2006 GMC Sierra 3500 6.6L V8 - 123-118 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 123-118
Brand: Replacement
Notes: Engine Coolant Reservoir -- 6.6L V8 Diesel; Engine Coolant Reservoir Expansion Tank
Product Remark: Includes Cap
Condition: New
Shipping Options: Free Ground Shipping
$62.95
with FREE Shipping
(5) In Stock
This Part Fits:
Catalog: E
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8
Front Dorman Expansion Tank - for 2004 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$44.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 GMC Sierra 3500 6.6L V8
Front Dorman Expansion Tank - for 2005 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$44.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 GMC Sierra 3500 6.6L V8
Front Dorman Expansion Tank - for 2001 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$44.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 GMC Sierra 3500 6.6L V8
Front Dorman Expansion Tank - for 2002 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$44.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 GMC Sierra 3500 6.6L V8
AC Delco Expansion Tank - for 2004 GMC Sierra 3500 Base 6.0L V8 LQ4 VIN: U - 15808715 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 15808715
Brand: AC Delco
Notes: Engine Coolant Reservoir -- New; TRUCKS BUILT Without LOW COOLANT SENSOR) (FOR 1st DESIGN SEE 19353731; 2nd Design
Condition: New
Shipping Options: Ground
$88.43
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Sub Model Engine
2004 GMC Sierra 3500 Base 6.0L V8 LQ4 VIN: U
Front Dorman Expansion Tank - for 2003 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$44.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 GMC Sierra 3500 6.6L V8
Front Dorman Expansion Tank - for 2003 GMC Sierra 3500 6.0L V8 - 603-102 Click to Enlarge
4.9 Stars
Dorman 603-102
Expansion Tank
Loading Reviews...
Part Number: 603-102
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
$53.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 GMC Sierra 3500 6.0L V8
SKP Expansion Tank - for 2005 GMC Sierra 3500 6.0L V8 - SK603102 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: SK603102
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Condition: New
Shipping Options: Ground
$34.98
(58) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2005 GMC Sierra 3500 6.0L V8
Front SKP Expansion Tank - for 2004 GMC Sierra 3500 6.6L V8 - SK603125 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: SK603125
Brand: SKP
Notes: Engine Coolant Reservoir
  • OE Style for easy replacement and fitment
Position: Front
Condition: New
Shipping Options: Ground
$48.98
(20) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2004 GMC Sierra 3500 6.6L V8
DIY Solutions Expansion Tank - for 2003 GMC Sierra 3500 GAS - HVA02657 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02657
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- excluding Diesel Engines
Condition: New
Shipping Options: Free Ground Shipping
$58.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2003 GMC Sierra 3500 GAS
DIY Solutions Expansion Tank - for 2002 GMC Sierra 3500 6.6L V8 DIESEL - HVA02742 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02742
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- Turbo Diesel; V8 6.6L
Condition: New
Shipping Options: Free Ground Shipping
$66.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle Engine
2002 GMC Sierra 3500 6.6L V8 DIESEL
DIY Solutions Expansion Tank - for 2001 GMC Sierra 3500 8.1L V8 - HVA03355 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA03355
Brand: DIY Solutions
Notes: Engine Coolant Reservoir -- V8 8.1L
Condition: New
Shipping Options: Free Ground Shipping
$74.95
with FREE Shipping
(3) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2001 GMC Sierra 3500 8.1L V8
Action Crash Expansion Tank - for 2006 GMC Sierra 3500 - GM3014124 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: GM3014124
Brand: Action Crash
Notes: COOLANT RECOVERY TANK WITH CAP; FITS ALL GAS ENGINES 05-07 EXCEPT 8.1L V8; CAP NOT INCLUDED
Product Remark: 4.3L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$99.95
Our Price: $43.98
(4) In Stock
This Part Fits:
Catalog: D
Vehicle Notes
2006 GMC Sierra 3500 COOLANT RECOVERY TANK WITH CAP; FITS ALL GAS ENGINES 05-07 EXCEPT 8.1L V8; CAP NOT INCLUDED
Dorman Expansion Tank - for 2006 GMC Sierra 3500 6.0L V8 - W0133-1820073 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-1820073
Brand: Dorman
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$63.91
Our Price: $57.58
(1) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2006 GMC Sierra 3500 6.0L V8
Front Dorman Expansion Tank - for 2006 GMC Sierra 3500 6.6L V8 - 603-125 Click to Enlarge
5 Stars
Dorman 603-125
Expansion Tank
Loading Reviews...
Part Number: 603-125
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: Clear
Shipping Options: Ground
$54.98
(6) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8
Brock Expansion Tank - for 2005 GMC Sierra 3500 Base 4WD 6.0L V8 Naturally Aspirated OHV CNG - Standard Cab Pickup 2dr - 1667-0010 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 1667-0010
Brand: Brock
Notes: Engine Coolant Reservoir -- 99-07 GM Truck Coolant Recovery Tank with Cap-Sensor 03-09 Hummer H2
Condition: New
Shipping Options: Free Ground Shipping
$53.98
with FREE Shipping
(11) In Stock
This Part Fits:
Catalog: K
Vehicle Sub Model Body Engine
2005 GMC Sierra 3500 Base 4WD Standard Cab Pickup 2dr 6.0L V8 Naturally Aspirated OHV CNG

Related Cooling System Parts

GMC Sierra 3500 Expansion Tank Reviews
5 of 5
Verified Customer
6/5/21 09:56 AM - USA

Perfectly matches my original tank. It really cleaned up the look under my hood. - Factory Expansion Tank

- 2004 GMC Sierra 3500 Expansion Tank