The M20185 Front Crankshaft Seal Remover / Installer is a precision tool designed specifically for Cummins ISX 12 and ISX 15 engine applications, corresponding to OEM part 4918991. It facilitates safe and accurate removal and installation of the front crankshaft oil seal — an essential task in engine maintenance and overhaul operations.
Designed to deliver reliable alignment and proper seating, the M20185 helps prevent seal lip damage, crankshaft surface scratches, and misalignment issues. It is a direct replacement for Cummins’ 4918991 tool and built to meet the rigors of heavy-duty shop and field use.
Mechanics and diesel technicians use this tool when performing front crank seal replacement during engine rebuilds, front cover service, or leak corrections. The device ensures the new seal is installed flush and concentric with the crankshaft to maintain proper sealing, reduce leaks, and improve engine reliability.
Key Features & Benefits
-
OEM replacement for Cummins 4918991 front crankshaft seal tool on ISX12 / ISX15 engines
-
Allows controlled removal and installation of the front crank oil seal without damaging the seal lip or crank surfaces
-
Ensures precise alignment, preventing misseat or seal binding
-
Built for shop and field durability, suitable for repeated use
-
Reduces the risk of leaks, rework, and engine downtime
-
Ideal for engine overhaul shops, fleet maintenance, and diagnostic service centers
HEAVY FREIGHT FREE SHIPPING NOT
INCLUDED ON THIS ITEM
The M20185 Front Crankshaft Seal Remover / Installer is a precision tool designed specifically for Cummins ISX 12 and ISX 15 engine applications, corresponding to OEM part 4918991. It facilitates safe and accurate removal and installation of the front crankshaft oil seal — an essential task in engine maintenance and overhaul operations.
Designed to deliver reliable alignment and proper seating, the M20185 helps prevent seal lip damage, crankshaft surface scratches, and misalignment issues. It is a direct replacement for Cummins’ 4918991 tool and built to meet the rigors of heavy-duty shop and field use.
Mechanics and diesel technicians use this tool when performing front crank seal replacement during engine rebuilds, front cover service, or leak corrections. The device ensures the new seal is installed flush and concentric with the crankshaft to maintain proper sealing, reduce leaks, and improve engine reliability.
Key Features & Benefits
-
OEM replacement for Cummins 4918991 front crankshaft seal tool on ISX12 / ISX15 engines
-
Allows controlled removal and installation of the front crank oil seal without damaging the seal lip or crank surfaces
-
Ensures precise alignment, preventing misseat or seal binding
-
Built for shop and field durability, suitable for repeated use
-
Reduces the risk of leaks, rework, and engine downtime
-
Ideal for engine overhaul shops, fleet maintenance, and diagnostic service centers