Two (2) Genuine OEM Caterpillar 6V4368 Viton 75 durometer Orings - New 

Used in many applications 56.74mm ID x 3.53mm cross section

with Caterpillar p/n 6V4368 

Cat List $16.81 each

pics Jul 2013 51-53 280 pcs

Listing is for 2 Orings