7g3815 Pump Group-oil Fits Caterpillar 561c D5

Caterpillar 561C Pipelayer (Serial Numbers 93J1 Up, 94J1 Up, 98J1 Up). Caterpillar D5 (Serial Numbers 81H1 Up, 82H1 Up, 21J1 Up). Important: This pump applies only to specific serial number ranges. Verify your machine serial number before ordering.