We consider a subaru expansion tank to be a worthy investment in the long run. We are here to help you pick the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Mishimoto Subaru Expansion Tank READ REVIEW

Best For High Temperature: Buy: Peopop Subaru Expansion Tank READ REVIEW

Best For Engine Code: Buy: Intake Kai Subaru Expansion Tank READ REVIEW

Best For Car: Buy: Duoyi Subaru Expansion Tank READ REVIEW

Best For High Quality: Buy: Artist Unknown Subaru Expansion Tank READ REVIEW

Best For Radiator: Buy: Rev9 Subaru Expansion Tank READ REVIEW

Best For Excellent Fit: Buy: Mishimoto Expansion Tank READ REVIEW

Best Overall: Mishimoto Subaru 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 tank. The Mishimoto Subaru Expansion Tank is exactly that - it's a simple tank that hits all the right notes. Also, the mishimoto subaru expansion tank is constructed from durable, tig. Manufacturer says: 2016 sti. As with all our products, this expansion tank includes the mishimoto lifetime warranty. The high - pressure radiator cap raises the boiling point of the engine coolant to provide a safer and more efficient cooling system. Finally, the mishimoto subaru expansion tank is sold in exquisite black color.

Almost all buyers quickly discovered that the tank fits 2005 wrx plus makes the engine bay look nice. In addition, they also found that the coolant overflow hose needed the most modification, taking off almost 2 inches.

• Manufacturer says: we take customer satisfaction seriously.
• 100% aluminum, fully-welded construction for maximum durability.
• This works perfectly and it is great with fast shipping.
• Overall height: 3.86" / overall width: 6.25" / capacity: 776cc.

Best For High Temperature: Peopop Subaru Expansion Tank

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The Peopop Subaru Expansion Tank is satisfactory and appropriate and fits well with your regular use. The peopop subaru expansion tank is basically a remote reservoir for the radiato. Make sure this fits by entering your model number. The expansion tank is made of high quality aluminium, resistant to high temperatures, corrosion and long - term use. Above all, the peopop subaru expansiontank provides an empty space for expanding coolant to go.

A few say that this is a universal tank, if there ’s enough room it will mount anywhere.

• Good brand reputation.
• New and hot releases.

Best For Engine Code: Intake Kai Subaru Expansion Tank

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We would, of course, be remiss if we didn't mention Intake Kai Subaru Expansion Tank for regular usage. Make sure this fits by entering your model number. Further, the tank is constructed with high-quality and it is good for engine code. The tank is easy to maintain and gels well with your regular use.

• All above models with engine codes ej205, ej255, ej257, ej207.
• Fits: 2004-2014 subaru impreza wrx sti.
• Lot of satisfied buyers.

Best For Car: Duoyi Subaru 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 Duoyi Subaru Expansion Tank and it's widely considered as the tank that has the most suitable features. The duoyi subaruexpansion tank comes with a simple working principle. Make sure this fits by entering your model number. The coolant overflow tank is made of aluminum and is very durable.

Finally, the duoyi subaru expansion tank can stretch. The capacity of the coolant overflow tank is 2l, which is twice that of the ordinary 1l radiator reservoir tank.

One customer says - "Make sure you lube it up first before doing anything else. ". Most customers quickly discovered that the tank looked great and the welds were nice.

• Large capacity and accurately designed radiator expansion tank.
• The design of the water tank is simple and easy for you to install.
• It can greatly improve the storage capacity and reduce your cleaning times.
• This is made with high-quality and it looks great.

Best For High Quality: Artist Unknown Subaru Expansion Tank

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The Artist Unknown Subaru Expansion Tank is suitable and reliable and fits well with your regular use. An artist unknown subaruexpansion tank fixed the problem and it is limited. Make sure this fits by entering your model number. In addition, it is affordable and it fits like a glove. Most importantly, the artist - unknown subaru expansion tank fits the following vehicles and also is a high - quality, direct - fit of replacement coolant reservoir from Evan-fischer.

In short, for most customers, it was most suitable.

• A high - quality, direct - fit replacement coolant reservoir from evan-fischer.
• Good investment for the long term.

Best For Radiator: Rev9 Subaru Expansion Tank

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The Rev9 Subaru Expansion Tank should be able to handle its purpose and duties with ease. Refresh the appearance of your engine bay. Also, the tank fits Subaru Impreza wrx 2002, 2003, 2004, 2005, 2006, 2007. When it comes to finding a reliable tank, the rev9 subaru expansiontank is definitely your first choice.

• Holds 50 percent more coolant than OE.
• The exterior level indicator displays the level of sludge inside the canister.
• Refresh the appearance of your engine bay.

Best For Excellent Fit: Mishimoto 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 Mishimoto Expansion Tank is exactly that - it's a simple tank that hits all the right notes. The mishimoto expansion tank is 22% larger in capacity than your stock plastic expansion tanks. The all-aluminum, fully welded construction of the mishimoto expansion tank does more than dress up your engine bay. This tank also offers increased durability during repeated cold and hot transitions, and leak - free welded cnc barb fittings.

The tank is made for excellent fit, is automotive and it fits great. Moreover, the tank is constructed from durable, tig. Finally, the mishimoto expansion tank.

One customer says - "Great way to dress up your engine bay. ". Almost all customers opine that the tank includes rubber grommets for manifold attachment.

• 22% greater capacity than the stock plastic expansion tank.
• 100% aluminum, fully-welded construction for maximum durability.
• Direct fit for the 2008-2014 subaru WRX and 2005-2009 subaru legacy gt.
• Overall height: 4.88" / overall width: 4" / capacity: 566cc.