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Expansion Tank


Part #: 025-121-403B-AM

VW Part #: 025121403B

Works With: 1986-1991

Weight: 2.50 lbs

Receive 5% GoBucks credit when you purchase this item online.

Price: $19.95

Sorry, we're temporarily sold out.

This product is temporarily out of stock due to COVID-related global materials shortages and delayed shipping channels. We’re doing our best to get this item back in stock as quickly as possible but have no ETA available at this point in time. Please check back for updates.


This is an inexpensive expansion tank for your late-model 1986-91 Vanagon. Includes cap. 

Over the years we have stocked and sold several brands of expansion tanks, and many of them were revealed to have poor build quality resulting in a short service life. We have tried every aftermarket brand we could get our hands on. No matter how hard we tried, we just couldn't find a consistently good brand. Even the best brands were eventually proven to be a mixed bag of heavy-duty, well-constructed units and poorly manufactured units. Unable to find any reliably high-quality brands, we have decided to bite the bullet and provide the best option on the market at a bomber price while providing our customers with the full picture. 

This expansion tank has NO WARRANTY of any kind. In fact, the price is so inexpensive that we recommend purchasing a spare (just in case). 

Don't forget a new coolant level sensor! Choose the inexpensive OEM sensor, or upgrade to our bomber all-metal Coolant Level Sensor Conversion Kit!

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