Cummins ISL / QSL / 8.9 Emissions & Aftertreatment

Emissions & Aftertreatment for Cummins ISL / QSL / 8.9 engines. Every part in this collection is listed for the ISL, ISL9, ISLG, QSL by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.

5 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.

Part #ReplacesDescriptionFitsPriceAvailability
141486 Cummins 5483009
Cummins 5258066
Cummins EGR VALVE CUMMINS ISC ENGINES
CUMMINS ISL SERIES
Call for price Request lead time
141485 Cummins 5566887
Cummins 5566887NX
Cummins 5566887RX
+3 more
Cummins ISL SERIES EGR COOLER KIT CUMMINS ISL SERIES
CUMMINS ISL SERIES
+14 more
Call for price Request lead time
141484 Cummins 5529388
Cummins 5297551
Cummins 5297551C
Cummins ISL SERIES EGR COOLER CUMMINS ISL SERIES
CUMMINS ISL SERIES
+14 more
Call for price Request lead time
141487 Cummins 5473228
Cummins 5473228NX
Cummins 5473228RX
+9 more
Cummins EGR VALVE KIT CUMMINS ISC ENGINES
CUMMINS ISL SERIES
$458.76 Ships from supplier · Lead time confirmed when you order
141468 Cummins 43763120ORX
Cummins 4990739
Cummins 4376312
+5 more
Cummins ISL SERIES EGR COOLER KIT CUMMINS ISL SERIES
CUMMINS ISL SERIES
+14 more
$2,431.87 Sold out - call for options

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