Clock spring Smart FORFOUR (454) 2004–2006 1.5 CDI (454.001) OM 639.939 A4545450326

Part type

Clock spring

Also known as

Airbag slip ring (SRS)

Manufacturer

Smart

Model

FORFOUR (454)

Years

2004–2006

SKU

499BAD34

OEM

A4545450326

PMR979369

MR979369

L294460305

This clock spring maintains the electrical connection between the steering wheel and the vehicle's systems, including the airbag and steering controls. Designed for Smart FORFOUR (454) 2004–2006 with diesel engine, it matches OEM codes A4545450326, MR979369, L294460305, and PMR979369. The unit shows general wear and visible dirt on the outer surface; inspect and clean before installation to ensure proper fitment.