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About product and suppliers:
        Alibaba.com offers 9,573 expansion tank products. About 50% of these are cooling system, 36% are thermostat, and 11% are radiator. 

A wide variety of expansion tank options are available to you, such as plastic, steel, and rubber. You can also choose from free samples, paid samples. 

There are 9,922 expansion tank suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 96%, 2%, and 1% of expansion tank respectively. 

Expansion tank products are most popular in Mid East, South America, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,575 with Other, 1,051 with ISO9001, and 557 with ISO/TS16949 certification.