Lemforder Control Arm - 39314 01

Genuine Lemforder Front / Rear Left Upper Track Control Arm - 3931401 Key Points Quantity Includ...

Best current price£48.06from Amazon

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AmazonLEMFÖRDER 39314 01 Control/Trailing Arm Wheel Suspension Compatible for Audi A4 B9 (8W2, 8WC) 2015 - Left, Rear, Upper, Front Axle and Other Vehicles
£4.49 delivery
£48.06
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eBayLEMFÖRDER 39314 01 Track Control Arm Wishbone Front Left for Audi A5 A4
£10.42 delivery
£49.07
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AutodocLEMFÖRDER Suspension arm AUDI 39314 01 8W0407509A,8W0407509B,8W0407509E 8WD407509
£8.45 delivery
£58.43
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Product Information

Full details

The Lemforder Control Arm 39314 01 is designed for Audi A4 and A5 owners looking to restore factory-level handling and suspension precision. It is an ideal replacement for vehicles experiencing vague steering, alignment issues, or suspension leaning, providing OE-quality vibration damping for a smoother ride. Note that this component is sold individually, so users should verify if their suspension service requires replacing the paired control arm simultaneously to maintain balanced geometry.

All features

Model Part Number39314 01
BrandLEMFÖRDER

Extended Product Information

FAQs

Is this part sold as a pair?

No, the Lemforder 39314 01 is sold as a single unit. It is often recommended to replace both sides of the axle at the same time.

Do I need to get an alignment after installation?

Yes, replacing any suspension control arm will alter your vehicle's alignment and requires a professional four-wheel alignment to prevent tire damage.

Is this an aftermarket or OE part?

Lemforder is a Tier-1 supplier to Audi, meaning this part is manufactured to German Original Equipment (OE) quality standards.

Does it come with new bushings?

Yes, this control arm comes pre-fitted with the necessary bushings and ball joints for a complete replacement.

What does the paired article number mean?

The paired article number (39315 01) refers to the corresponding arm for the opposite side of the vehicle, which is often replaced concurrently.

Troubleshooting

Steering feels loose after installation

Ensure the suspension geometry was re-aligned by a professional and all mounting bolts were torqued to factory specifications under load.

Creaking noise from the front wheel well

Check that the control arm bolts were not over-tightened and verify that the rubber bushing seat is free of road debris.

Pros and Cons

Pros

  • Matches original Audi factory performance standards
  • High-grade aluminium for corrosion resistance and durability
  • Restores steering responsiveness and handling precision
  • Reduces cabin vibration through improved bushing design

Cons

  • Sold as a single unit, often requiring the purchase of a pair
  • Requires professional alignment after installation
  • Installation involves complex suspension geometry

Setup, Compatibility & Care

This control arm is compatible with Audi A4 B9 (Avant, Limousine, Allroad) and A5 (Sportback, Coupe, Cabrio) models. Always verify your specific VIN against the OE numbers 8W0 407 509 A/B/E before purchase. Professional installation is strongly recommended as the suspension must be loaded to the correct ride height before final torque tightening of the bushing bolts to prevent premature failure. Periodic inspection of the rubber bushings for cracking or fluid leaks during every oil change will ensure a longer service life.

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