Vacuum Pump Description
This Vacuum Pump is indexed for Part Number; Cummins Engine ISC8.3 ISL8.9 QSC8.3 QSL9 Air Brake Compressor 3558122; Cummins Engine: 6C8.3,C GAS PLUS CM556,G8.3,G8.3 CM558,GTA8.3 CM558,ISC CM2150,ISC CM554,ISC CM850,ISC8.3 CM2250,ISL CM2150,ISL CM554,ISL CM850,ISL G CM2180,ISL8.9 CM2150 L110,ISL8.9 CM2880 L112,ISL9 CM2150 SN,ISL9 CM2250,ISL9 CM2350 L101,ISL9 CM2350 L111,L GAS PLUS CM556,L8.9,L9.3 L105,QSC8.3 CM2250,QSC8.3 CM554,QSC8.3 CM850,QSL9 CM2250,QSL9 CM2350 L102,QSL9 CM554,QSL9 CM850,QSL9 G CM558,QSL9 M CM2250 L106. Compare reference number 3558122 against the label on your existing Cummins component before ordering.
Before checkout, compare OEM part number 3558122, 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.




