Injection Pump Description
This Injection Pump is indexed for Caterpillar D25D; Caterpillar D30D; Caterpillar D300B; Caterpillar D300D. Compare reference number 6N-3827 against the label on your existing Caterpillar component before ordering.
Before checkout, compare OEM part number 6N-3827, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




