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Get affordable Lexus GS300 expansion tanks you deserve. In just 10 minutes, you could save up to 80% with PartsGeek. Save time and dollars on your next GS300 radiator overflow tanks purchase. Over 12 Years of saving people money and providing great customer service. Check our low-cost options today. The average cost for expansion tank replacement is between $29.98 and $128.43

Lexus GS300 Expansion Tank Reviews
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Shop Lexus GS300 Replacement Expansion Tank

Car owners rely on Lexus to create long lasting vehicles that are known for good gas mileage. When searching the many available vehicle types for a car that can give you high quality parts combined with luxury, go for the Lexus GS300 because it includes the great qualities you are looking for out of a vehicle. The Lexus GS300 usually takes very expensive replacement parts, so it is key to take every precaution to keep up maintenance for this vehicle. You trust the solid engineering of legendary Lexus cars for long-running service. Part replacements for the Lexus GS300 can cost a lot, since luxury vehicles are usually crafted of expensive parts and take knowledgeable mechanics to replace damaged or nonworking parts and this usually leads to the owner having a higher expense. It's not surprising that comfort and safety-aware drivers are in the know about how to get the best quality at a fair price when seeking out Lexus GS300 auto parts. Luxurious and elegant vehicles such as the plush Lexus GS300 were built to be used with care and attention and also given needed repairs. Expensive parts are a key factor of a luxury car and contribute to its ability to hug those curves and withstand the test of time. One of these great vehicles is your Lexus GS300. The Lexus GS300 is an automobile designed for maximum performance and it needs the best quality replacement parts. You invested in a performance-optimized vehicle because it had excellent power and performance, keep up that investment by buying outstanding aftermarket parts. The Lexus GS300 Expansion Tank keeps the excess fluid in the cooling system which was forced out of the radiator and sends it back when it cools sufficiently. Your Lexus GS300 Expansion Tank preserves the radiator by allowing a place for coolant to expand as temperatures rise. Your Lexus GS300 Expansion Tank in an essential part of the car's cooling system, which stops your vehicle's engine from becoming too hot and allows the car to keep a proper temperature. The Lexus GS300 Expansion Tank can fail because of weather or wear and tear; when this occurs a new unit must be installed to preserve the cooling system in tip-top shape. The Lexus GS300 Expansion Tank is a tank that will allow antifreeze and air inside a coolant system to expand due to a rise in pressure.

We stock these Expansion Tank brands for the Lexus GS300: DormanAction CrashBrockDIY Solutions

Select your GS300 year

Review Fitment Notes
Showing 16 of 21 Results
Front Dorman Expansion Tank - for 2001 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Lexus GS300 3.0L 6 Cyl
Front Dorman Expansion Tank - for 2002 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Lexus GS300 3.0L 6 Cyl
Action Crash Expansion Tank - for 1994 Lexus GS300 - LX3014107 Click to Enlarge
5 Stars
Action Crash LX3014107
Expansion Tank
Loading Reviews...
Part Number: LX3014107
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$146.64
Our Price: $34.98
View Details
This Part Fits:
Catalog: D
Vehicle Notes
1994 Lexus GS300 COOLANT RECOVERY TANK
Action Crash Expansion Tank - for 1995 Lexus GS300 - LX3014107 Click to Enlarge
5 Stars
Action Crash LX3014107
Expansion Tank
Loading Reviews...
Part Number: LX3014107
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$146.64
Our Price: $34.98
View Details
This Part Fits:
Catalog: D
Vehicle Notes
1995 Lexus GS300 COOLANT RECOVERY TANK
Front Dorman Expansion Tank - for 1998 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1998 Lexus GS300 3.0L 6 Cyl
Front Dorman Expansion Tank - for 1999 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1999 Lexus GS300 3.0L 6 Cyl
Front Dorman Expansion Tank - for 2004 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Lexus GS300 3.0L 6 Cyl
Action Crash Expansion Tank - for 1996 Lexus GS300 - LX3014107 Click to Enlarge
5 Stars
Action Crash LX3014107
Expansion Tank
Loading Reviews...
Part Number: LX3014107
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$146.64
Our Price: $34.98
View Details
This Part Fits:
Catalog: D
Vehicle Notes
1996 Lexus GS300 COOLANT RECOVERY TANK
Front Dorman Expansion Tank - for 2003 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Lexus GS300 3.0L 6 Cyl
Action Crash Expansion Tank - for 1993 Lexus GS300 - LX3014107 Click to Enlarge
5 Stars
Action Crash LX3014107
Expansion Tank
Loading Reviews...
Part Number: LX3014107
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$146.64
Our Price: $34.98
View Details
This Part Fits:
Catalog: D
Vehicle Notes
1993 Lexus GS300 COOLANT RECOVERY TANK
Front Dorman Expansion Tank - for 2000 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2000 Lexus GS300 3.0L 6 Cyl
Action Crash Expansion Tank - for 2006 Lexus GS300 - LX3014106 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: LX3014106
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$97.64
Our Price: $29.98
(1) In Stock
This Part Fits:
Catalog: D
Vehicle Notes
2006 Lexus GS300 COOLANT RECOVERY TANK
Front Dorman Expansion Tank - for 2005 Lexus GS300 3.0L 6 Cyl - 603-429 Click to Enlarge
5 Stars
Dorman 603-429
Expansion Tank
Loading Reviews...
Part Number: 603-429
Brand: Dorman
Notes: Engine Coolant Reservoir -- Shroud Assembly
  • 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: Brown
Package Contents: 1 Coolant Reservoir; 1 Cap; Fan Shroud
Shipping Options: Ground
$128.43
(2) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Lexus GS300 3.0L 6 Cyl
Action Crash Expansion Tank - for 1997 Lexus GS300 - LX3014107 Click to Enlarge
5 Stars
Action Crash LX3014107
Expansion Tank
Loading Reviews...
Part Number: LX3014107
Brand: Action Crash
Notes: COOLANT RECOVERY TANK
Product Remark: 3.0L; Automatic or Manual Transmission
Quality: Premium - High quality new replacement part.
Condition: New
Shipping Options: Ground
List Price:
$146.64
Our Price: $34.98
View Details
This Part Fits:
Catalog: D
Vehicle Notes
1997 Lexus GS300 COOLANT RECOVERY TANK
Brock Expansion Tank - for 2019 Lexus GS300 - 2667-0016 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 2667-0016
Brand: Brock
Notes: Engine Coolant Reservoir -- 11-20 Dodge Various Models Coolant Recovery Tank With Cap
Product Remark: With Cap
Condition: New
Shipping Options: Free Ground Shipping
$77.98
with FREE Shipping
(4) In Stock
This Part Fits:
Catalog: K
Vehicle
2019 Lexus GS300
DIY Solutions Expansion Tank - for 1997 Lexus GS300 - HVA02700 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: HVA02700
Brand: DIY Solutions
Notes: Engine Coolant Reservoir
Condition: New
Shipping Options: Free Ground Shipping
$62.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle
1997 Lexus GS300

Related Cooling System Parts

Expansion Tanks available for the following Lexus GS300 years: 2018, 2006, 2005, 2004, 2003, 2000, 1998, 1997, 1996, 1995, 1994, 1993, 18, 06, 05, 04, 03, 00, 98, 97, 96, 95, 94, 93. This part is also sometimes called Lexus GS300 Radiator Overflow Tank. We stock expansion tank parts for most Lexus models including SC400, LS400, IS300, ES300, RX330, IS250, GS400, IS350, ES350, GS430, RX300, RX350, GX470, CT200h, ES300h, RX450h and GX460.

Lexus GS300 Expansion Tank Reviews
5 of 5
Verified Customer
12/14/15 08:12 PM - USA

This item was shipped with very fast service. The unit was well and safely packaged. And the part itself worked out perfectly for the replacement. Thank you PARTSGEEK! - Radiator Expansion Tank

- 1998 Lexus GS300 Expansion Tank
5 of 5
Verified Customer
5/30/17 10:37 AM - USA

Part was new and just as described. It costed much less at Parts Geek and great quality. It fits perfectly and the car is no longer running hot. - D.W.

- 1996 Lexus GS300 Expansion Tank