Unidade Injetora (Bico Injetor) Caterpillar 930K 938K 924K , 953K , 525D ; 323D2 L 320, 330D2 330D2 L 326D2, 320D2 FM 326D2 L 323, 329D2 L  ; AP600F, AP655F, AP655FL D6K2, D6N D6K D5R2 PL61 CP56B, CS68B, CP74B, CS74B, CP68B, CS79B, CS56B, CS78B, CP76B Motor Cat C7.1 . ORIGINAIS : Caterpillar 391-3974 Caterpiilar 3913974