Number Type Plunger Dia.
(mm) Direction Application
1 1W6539 9 LEFT Shanghai Diesel C121
2 1W6541 9 LEFT Caterpillar 3300B
3 7W0182 10 RIGHT Caterpillar 3400
4 6N7527（O1G1） 8 Caterpillar D333C/3306
5 9H5797 8.5 RIGHT Caterpillar D330A/D333
6 1P6400 10 RIGHT Caterpillar3406
7 7W5929 10 LEFT Caterpillar 3406
8 8N3539 9 RIGHT Caterpillar 3204
