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About product and suppliers:
        Alibaba.com offers 4,200 auto plunger products. About 30% of these are injector, 21% are plunger barrel assembly, and 16% are machinery engine parts. 

A wide variety of auto plunger options are available to you, such as free samples, paid samples. 

There are 4,200 auto plunger suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of auto plunger respectively. 

Auto plunger products are most popular in Mid East, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 554 with ISO9001, 364 with ISO/TS16949, and 213 with ISO14001 certification.