INA EA0042 Alternator Decoupler Pulley

INA EA0042 Alternator Decoupler Pulley

INA EA0042 is an alternator decoupler pulley for charging-system service on select Mercedes-Benz applications. It is built for front-end auxiliary drive use where vibration control and compact packaging matter, including 2002-2005 Mercedes-Benz C230 coverage.

• Alternator decoupler pulley for FEAD service
• Supports vibration damping in tight engine bays
• Application-specific replacement for select Mercedes-Benz C230 models
• INA part number EA0042 for ordering and catalog lookup

Detailed Application Coverage

Compatible with 2002-2005 Mercedes-Benz C230, N/A. This INA EA0042 pulley is part of the front end auxiliary drive system and is used in alternator-driven charging layouts where controlled decoupling helps manage belt dynamics. It also cross-references Wix 49708 for the same application.

What It Helps Address

• Alternator pulley noise during engine operation
• Belt vibration in the front accessory drive
• Irregular charging-system pulley behavior
• Wear in the alternator decoupler assembly
• Secondary damage from excessive FEAD vibration

Installation Notes

Verify the vehicle’s alternator and pulley configuration before installation. Match the part number EA0042 to the existing application data for 2002-2005 Mercedes-Benz C230, and confirm the pulley style against the removed component. Professional installation is recommended for charging-system repairs.

Quality Assurance

INA positions this component within its FEAD lineup, which focuses on vibration damping and compact packaging for high-load engines. The brand also offers assembled FEAD kits for broader system maintenance.