Buy Replacement parts for Caterpillar 3321871 - FILTER-OIL at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- OFF-HIGHWAY TRUCK- TRACK-TYPE TRACTOR Compatible Models:- 3406E- 3516- 3516B- C9- 793D- 6- D6T- D8R II Units Containing The Spare Part :- 183-8414 HEAD GP-PUMP -STEERING (3406E)- 158-8078 CONTROL GP-STEERING & XMSN (3406E)- 193-6244 LINES GP-SERVICE BRAKE -REAR (3516)- 223-0659 TRACK ADJUSTER & RECOIL GP (C9)- 263-8155 TRACK GP -2-REQUIRED (C9)- 297-4792 TRACK GP -SYSTEMONE, OFFSET (C9)- 234-9672 LINK AS-TRACK -SYSTEMONE, OFFSET (C9)