Description

This flywheel housing is designed for Cummins B Series engines and replaces OEM part number 3937426. It provides a stable mounting surface for the flywheel and supports accurate alignment between the engine and transmission. Built from corrosion-resistant cast materials and manufactured to OEM standards, this housing delivers strength, precision fitment, and ease of installation in various diesel engine applications. Application: Aftermarket Cummins B Series Housing Size: SAE #3 Flywheel Size: SAE #3 12″–13″ Passenger Side: 11 o’clock Position Notes: Cast Iron Flywheel Housings Cross Reference Numbers: 3902256 3903282 3931627 Key Features OEM replacement for Cummins 3937426 Compatible with Cummins B Series engines Maintains accurate flywheel and transmission alignment Heavy-duty, corrosion-resistant construction OEM fit for straightforward installation Compatibility Cummins B Series Engines OEM Replacement Part #: 3937426