Inner Tie Rod - LEMFÖRDER - 27663 01

High-quality inner tie rod manufactured by LEMFÖRDER. Designed for precise steering control, this ...

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AutodocLEMFÖRDER Inner Tie Rod MERCEDES-BENZ 27663 01 6394600055,6394600255,A6394600055 Rack End,Inner Track Rod A6394600255
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eBay27663 01 Inner Tie Rod Left Front Right Fits Mercedes Viano Vito BUS Lemforder
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Product Information

Full details

The LEMFÖRDER 27663 01 Inner Tie Rod is an essential steering component designed for Mercedes-Benz Viano and Vito (W639) owners seeking original equipment quality for their front axle repairs. This high-precision part ensures reliable steering responsiveness and durability, making it an ideal choice for DIY mechanics and professional technicians alike; however, it requires specialized tools and a subsequent professional wheel alignment to ensure safe vehicle handling.

All features

Model Part Number27663 01
BrandLEMFÖRDER

Extended Product Information

FAQs

Is this part compatible with both the left and right sides?

Yes, the LEMFÖRDER 27663 01 is designed to be used on either the left or right side of the front axle.

Do I need to replace both inner tie rods at the same time?

It is highly recommended to replace tie rods in pairs to ensure even steering responsiveness and prevent uneven tire wear.

Does this package include the locking washer or boot?

This product listing specifically refers to the inner tie rod itself. Check your vehicle's specific requirements to see if new hardware or boots are needed.

What is the thread size of this tie rod?

The thread size for this specific model is M16x1.5.

Is an alignment necessary after fitting?

Yes, a professional wheel alignment is mandatory after replacing any steering linkage component to ensure vehicle stability.

Can I use this on a non-W639 Mercedes model?

No, this part is specifically engineered for the Viano and Vito (W639) series; using it on other models may cause dangerous steering failure.

Troubleshooting

Steering wheel remains off-center after installation

This is expected after any tie rod replacement; you must perform a professional wheel alignment to adjust the toe settings.

Audible clunking remains after replacement

Check the condition of the outer tie rod ends, control arm bushings, and ball joints, as these components often wear out concurrently.

Pros and Cons

Pros

  • High-grade materials for long-lasting performance
  • Perfect fit for Mercedes-Benz W639 chassis
  • Restores steering precision effectively
  • Reliable OE-equivalent build quality

Cons

  • Requires professional alignment after installation
  • Installation can be labor-intensive in confined spaces
  • Requires specific inner tie rod tools

Setup, Compatibility & Care

This inner tie rod is specifically compatible with the Mercedes-Benz Viano (W639) and Vito (W639) platforms. To install, ensure you have a dedicated inner tie rod tool to grip the rod housing correctly, as standard wrenches may not fit the restricted area near the rack boot. Always replace the steering rack boot (bellows) if it shows signs of cracking during the tie rod replacement to prevent dirt and moisture from entering the steering rack mechanism. Post-installation, a four-wheel alignment is mandatory to ensure proper tire wear and vehicle safety.

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