Cummins 4B / ISB 4.5 Crankshaft & Seals

Crankshaft & Seals for Cummins 4B / ISB 4.5 engines. Every part in this collection is listed for the 4B, 4BT 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
172000 — Cummins ISD 4.5 ENGINE CRANKSHAFT ASSEMBLY CUMMINS ISD 4.5 ENGINE $1,191.99 Ships from supplier · Lead time confirmed when you order
171999 Cummins 3974539
Cummins 5289840
Cummins ISD 4.5 ENGINE CRANKSHAFT ASSEMBLY CUMMINS ISD 4.5 ENGINE $1,189.99 Ships from supplier · Lead time confirmed when you order
171872 — Crankshaft Gear, 36 Teeth, PAI (OEM Ref 5273412), Pack of 1 CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
$427.84 Ships from supplier · Lead time confirmed when you order
060014 Cummins 4947579
Cummins 3931627
Cummins 3903282
+1 more
Cummins FLYWHEEL HOUSING CUMMINS 4B ENGINES 3.9
CUMMINS 6B ENGINES 5.9
+1 more
$437.49 Ships from supplier · Lead time confirmed when you order
060013 Cummins 3931713
Cummins 3921296
Cummins FLYWHEEL HOUSING CUMMINS 6B ENGINES 5.9
CUMMINS 4B ENGINES 3.9
$719.44 Sold out - call for options

Got a Number We Don't List?

Text a photo of the part tag — a specialist crosses it and quotes you fast.