The 10 Best Plastic Expansion Tanks (2022 reviews)

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Are you looking for collection of best plastic expansion tanks ? This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Dorman Plastic Expansion Tank
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Best For Better Than Plastic:
Buy: Speedwow Plastic Expansion Tank
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Best For Quality Part:
Buy: Chaoqian Cqier Plastic Expansion Tank
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Best For Temperature Range:
Buy: Leimo Kparts Plastic Expansion Tank
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Best For Worth The Money:
Buy: Rein Automotive Plastic Expansion Tank
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Best For Car:
Buy: Top10 Racing Plastic Expansion Tank
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Best For Factory Finish:
Buy: Imatch Auto Parts Plastic Expansion Tank
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Best Reservoir:
Buy: Artist Unknown Plastic Expansion Tank
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Best For Lifetime Warranty:
Buy: Mishimoto Plastic Expansion Tank
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Best For Durability:
Buy: Perfit Liner Plastic Expansion Tank
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Best Overall: Dorman Plastic Expansion Tank

Dorman Plastic Expansion Tank
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The look and feel of these tanks are consistent with the high quality we're used to from the rest of Dorman's lineup. The Dorman Plastic Expansion Tank overall, works fine and it worked fine. Make sure this fits by entering your model number. The necessary pieces for installation, including the reservoir and reservoir cap, basket, overflow tubing, and hardware.

The tank is priced right and it works great. Most importantly, the dorman plastic expansion tank is inexpensive and it is made for easy fix.

Most buyers opine that the tank does not have any specific vehicle fitment. Further, they strongly agree that the tank is great for older vehicles without recovery tanks. Also, they also found that this is only an overflow tank designed to catch coolant as it expands and allow the coolant to be sucked back into the radiator. In short, the tone of buyers is very positive and we believe that the tank suits the purpose.

Top Customer Quotes:
  • This is a multi - fit part.
  • This can resize for a nice fit and it is made for good replacement.
  • This is good for older cars without a reservoir.
  • This is a recovery bottle and the coolant will suck back in as needed.

Best For Better Than Plastic: Speedwow Plastic Expansion Tank

Speedwow Plastic Expansion Tank
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tank. The Speedwow Plastic Expansion Tank is exactly that - it's a simple tank that hits all the right notes. The speedwow plastic expansion tank is basically a remote reservoir for the radiator. Speedwow provides overflow catch tanks that have a 5-month warranty. The expansion tank provides additional space for the coolant to go when it expands and becomes a convenient place for checking, filling, or bleeding the cooling system.

The tank comes with an o-ring gasket, keeps a good closed environment and prevents coolant leakage. Above all, the speedwow plastic expansion tank is made for good value, is clear, it looks cool and has a perfect design.

Almost all buyers quickly discovered that the tank is designed to swap hose barbs and level indicators left or right. Moreover, a few also found that the tank is pressurized, If you’re looking for one that isn’t pressurized then make sure it has a relief hole...hope this helps. Further, they also found that this 1 1liter tank is made very well. Therefore, customers were very happy to recommend it to friends and would-be buyers.

Top Customer Quotes:
  • This is superior to the traditional plastic ones for almost the same price.
  • This is good for compact engine compartments.
  • This is easy to install and it works like it's supposed to.
  • This can be used as a coolant reservoir for a supercharger system.

Best For Quality Part: Chaoqian Cqier Plastic Expansion Tank

Chaoqian Cqier Plastic Expansion Tank
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The Chaoqian cqier plastic expansion tank gives the top-tier tank a run for their money by offering flagship specs at a much more affordable price. The Chaoqian cqier plastic expansion tank is perfect for great quality, is made for low cost, it can be trusted for the highest quality and has a simple design. Make sure this fits by entering your model number. Further, the tank is suitable for inner diameter and it makes for nice quality.

The tank is made of high quality aluminium and tig welded. Finally, the Chaoqian cqier plastic expansion tank is designed for a great price, is clear and it would be perfect with fast shipping.

Most buyers quickly discovered that the tank is easy to hide under the hood. Further, they also found that this coolant overflow tank is built with quality material and the welds are clean. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • Universal fitment, suitable for most vehicles.
  • This is used for the quality part and it works great.
  • This fits perfectly with the outer diameter and has a perfect design.
  • This tank is a universal accessory, so it does n't affect the functions.

Best For Temperature Range: Leimo Kparts Plastic Expansion Tank

Leimo Kparts Plastic Expansion Tank
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If you want nothing but a tank that is suitable, this Leimo Kparts Plastic Expansion Tank is certainly a wise investment. The leimo kparts plastic expansion tank is a high performance overflow catch tank which is mainly designed to accelerate the heat dissipation of the water tank and eliminate the water bubbles by pressuring. Make sure this fits by entering your model number. The coolant pressure in the radiator exceeds the pressure cap setting. The coolant is sealed through the pressure cap and flows through the overflow tube into the radiator coolant overflow tank.

The tank is highly recommended, plus it comes with an o-ring gasket. Most importantly, the leimo kparts plastic expansion tank is operating at its optimum performance, engine coolant is required to maintain it within the operating temperature range.

Most buyers found that the tank is easy to install with pre - made brackets. Also, they strongly agree that the tank is designed to recycle coolant. Moreover, they also found that this is a great option for building an overflow ... needed something quickly.

Why We Like This:
  • This is used for quality parts and it is used for good buying.
  • This can be with product name and it prevents oil leakage.
  • Overflow tank/coolant expansion tank/coolant recovery tank/coolant overflow tank/radiator overflow tank/overflow tank aluminum.
  • This works perfectly and it is worth the money.

Best For Worth The Money: Rein Automotive Plastic Expansion Tank

Rein Automotive Plastic Expansion Tank
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate tank. The Rein Automotive Plastic Expansion Tank is exactly that - it's a simple tank that hits all the right notes. The rein automotive plastic expansion tank allows easy installation plus includes oe cap and fluid level sensor. The Manufacturer says: In fact, the greatest products we offer our customers are quality, service, and trust. These parts address known weaknesses and premature failures of factory parts.

Above all, the rein automotive plasticexpansion tank fits perfectly, is made to be worth the money and it is made for superior performance.

Most buyers agree that the tanks were 15 years ago .. this replaced the original BMW tank on the vehicle. In addition, they strongly agree that the tank is a perfect fit for a '04 bmw x3. To sum up, at the price, they believe that they got a steal of a deal with it.

Why We Like This:
  • This includes everything necessary for installation.
  • These include hydraulic, electric, and electro-hydraulic steering system components.
  • This offers comprehensive coverage for European and Asian applications, especially late-model vehicles.
  • The Manufacturer says: 100% of our inventory is tested in our factories.

Best For Car: Top10 Racing Plastic Expansion Tank

Top10 Racing Plastic Expansion Tank
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The Top10 Racing Plastic Expansion Tank is the most convenient tank on the market today. The top10 racing plastic expansiontank comes with an o-ring gasket. Additionally, it is made of 6061 aluminum for enhanced strength, anodized polish and durable, better than plastic material. The radiator coolant overflow tank is a fairly simple device but it can save you a lot of money by preventing rust formation in the cooling system of your car. Further, it works well and it is designed for a great price. Finally, the top10 racing plastic expansion tank has kept operational temperatures and it has prevented rust.

Almost all buyers found that the tank is going to depend on your application.

Why We Like This:
  • Good brand reputation.
  • Lot of satisfied buyers.

Best For Factory Finish: Imatch Auto Parts Plastic Expansion Tank

Imatch Auto Parts Plastic Expansion Tank
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The Imatch Auto Parts Plastic Expansion Tank's superior materials make sure that it ages well with use. The imatch auto parts plastic expansion tank works well in temperatures. You will find it a perfect fit for your model and is easy to install and ready to use without waste of your precious time. The engine coolant reservoir expansion tank plastic with cap is made of high - quality pp plastic, ensuring high quality and safety standards.

Most importantly, the imatch auto parts plastic expansion tank is limited, is lightweight and it fits perfectly.

In short, for most customers, the tank was just what they wanted.

Why We Like This:
  • This comes with a white exterior.
  • Engine coolant reservoir factory finished plastic with a cap.
  • This match for customer satisfaction.
  • This fits for the following vehicles & models.

Best Reservoir: Artist Unknown Plastic Expansion Tank

Artist Unknown Plastic Expansion Tank
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Next on the list, we've got yet another tank that manages to win our hearts. It's the artist - unknown plasticexpansion tank and it's widely considered as one of the most convenient tanks you can buy. In addition, it fits the following vehicles, plus it is a high - quality, direct fit of replacement coolant reservoir from Evan-fischer. Make sure this fits by entering your model number. Above all, the Artist Unknown Plastic Expansion Tank is inexpensive and it is affordable.

Almost all customers quickly discovered that the tank is a great coolant reservoir, very sturdy and less expensive. In conclusion, the tone of buyers is very positive and we believe that the tank suits the purpose.

Why We Like This:
  • A high - quality, direct - fit replacement coolant reservoir from evan-fischer.
  • New and hot releases.

Best For Lifetime Warranty: Mishimoto Plastic Expansion Tank

Mishimoto Plastic Expansion Tank
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The Mishimoto Plastic Expansion Tank is capable of outshining several other tanks featured in this list in overall features for the price point. Also, the mishimoto plastic expansiontank has produced a line of upgrades to fit nearly any application, including, sport compacts, powersports, trucks, jeeps, muscle vehicles, daily drivers, and the classics. The mishimoto 2017+ honda civic type r aluminum expansion tank removes the conspicuously beige stock tank from the fk8’s engine bay, replacing it with a sleek all-aluminum design that looks more at home under the hood. The plastic tank is great for mass production, but it ’s destined to fail with repeated heating and cooling cycles. Finally, the mishimoto plastic expansion tank is available in 2 vibrant colors: rallye red and black.

They say that this coolant tank is way better than the crappy oem plastic tank.

Why We Like This:
  • This is available in micro-wrinkle black, is clear, it fits perfectly and has an improved design.
  • Direct for the 2017+ civic type r.
  • This allows for easy visibility to check coolant fluid level.
  • 100% aluminum, fully-welded construction for maximum durability during repeated temperature transitions.

Best For Durability: Perfit Liner Plastic Expansion Tank

Perfit Liner Plastic Expansion Tank
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The Perfit Liner Plastic Expansion Tank's material feels more premium than its price would suggest. The perfit liner plastic expansion tank is designed for durability and longevity 4. Manufacturer says: Our r&d department strives to fabricate new products and designs by working directly with our manufacturers. Moreover, the tank is compatible with dodge ram 2500 3500 pickup 10 11 12 13 14 15.

The tank is manufactured to meet or exceed oem specifications. Moreover, the tank is easy to install even for beginners. note * 100% brand new * professional installation is highly recommended * installation instruction is not included. Above all, the perfit liner plastic expansion tank is designed for placement on vehicle and has its own style.

Why We Like This:
  • This is designed to be a direct - fit replacement for the original factory parts 2.
  • Manufacturer says: We offer a variety of auto parts goods.
  • Serves both as a functional and aesthetic touch to your vehicle 3.