Mercedes-Benz A2123303011 Lower Control Arm (Front, O/S Right)

Description

The part number A2123303011 is an OEM front lower control arm (also referred to as a lower suspension arm or wishbone) for certain Mercedes-Benz models, specifically the W212 E-Class series and similar chassis codes. eBay UK+2partsonclick.ae+2
Key features & details:

• Fitment position: Front axle, lower suspension arm, right-side (O/S) in many applications. partsonclick.ae+1

• Role & function: This arm connects the vehicle’s chassis (subframe) to the wheel hub / steering knuckle, controlling the vertical and lateral movement of the front wheel, maintaining alignment, camber/caster settings and contributing to ride quality and steering responsiveness.

• Construction: Typically a forged or cast metal arm (aluminium or steel depending on variant), fitted with bushings and ball joints to allow pivoting movement while controlling wheel geometry.

• Replacement indication: Worn control arms may cause uneven tyre wear, steering instability, clunk noises over bumps, front-end alignment issues and must be addressed for safe operation.

Compatibility / Fitment Notes:

• Brand: Mercedes-Benz

• Part No.: A2123303011 (no spaces)

• Category: Lower Control Arm / Suspension Arm (Front Axle)

• Vehicles: Many listings include Mercedes E-Class (W212) front left/right lower arms, as part of sets: e.g., “Front Lower Arms for Mercedes-Benz E-Class W212 … A2123302911 / A2123303011 …” J. K. Automotive+1

• Important: When ordering or listing, verify the vehicle’s VIN, chassis code (e.g., W212), side (Left/Right), and front/rear axle location before confirming fitment. Some vehicles may have variants with different part numbers (for example A2123304000) for similar position. globalparts.co.uk

• Installation tip: When installing a new control arm, always measure/finalise wheel alignment (toe, camber, caster); inspect and replace related hardware (bushings, ball joints), and torque bolts to manufacturer spec.