Buy Replacement parts for Caterpillar 1421403 - FILTER ELEMENT AS-AIR at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ARTICULATED DUMP TRUCK- ENGINE - MACHINE- ENGINE - GENERATOR SET- EXCAVATOR- FOREST PRODUCTS- OEM SOLUTIONS Compatible Models:- 735- 740- 740- 3176C- 3406E- C-13- C13- C15- 3406C- C9- 345B- 345B II- 345B L- 345C- 345C L- 345D- 345D L- 345D L VG- W345C- 345C- TK1051- 345C- 345C L Units Containing The Spare Part :- 142-2992 SUPPORT GP-RADIATOR (3406C)- 242-1369 VALVE GP-COOLANT SAMPLING -COOLANT SAMPLING (3406C)- 170-7198 AIR CLEANER GP (3176C)- 139-8790 AIR CLEANER GP (3176C)- 142-1408 AIR CLEANER GP (3406C)- 142-1405 AIR CLEANER GP (3406C)- 226-8632 AFTERCOOLER GP-AIR (735)- 141-6876 AIR CLEANER GP (735)- 139-5320 TANK GP-COOLANT (740)- 228-4975 TANK GP-COOLANT (740)- 187-6467 AIR CLEANER GP (740)- 222-5125 AIR CLEANER GP (740)