Parts for Caterpillar 3406C for Australia - Fuel Filter Section Loading... 1 Primary Fuel Filter for Caterpillar 3406 engines Primary Fuel Filter Price: $ 37.44 Qty: ^ Pictures In Stock Add to Cart 2 Fuel Filter for Caterpillar 3406, 3408 and 3412 engines For use with Standard ECM Price: $ 31.81 Qty: ^ Details In Stock Add to Cart