3 pak CATERPILLAR 6H-3977 o-ring 6h3977


Check out our store for more CAT o-rings and Gaskets many more listed, will bundle. 

Fast Shipping!! Please Message me with any Questions. 



If the package is damaged, please contact us immediately so we can resolve it quickly.  

Requirements for refund and or discount 

  1. Must have pictures of damaged item 

  1. Must have pictures of original packaging and label 

  1. Must contact us within 7 days of delivery