Steering Rack Mounting Bush Set (4pcs) – Mercedes ML W164 X164 R-Class W251 | OEM 1644600029
Worn steering rack mounting bushes on the Mercedes ML W164, GL X164, and R-Class W251 cause steering rack knock, vague steering feel, and play on center. This set of 4 replacement bushes restores tight, precise rack mounting — eliminating knock and restoring steering precision.
Fits OEM #1644600029.
When to Inspect This Part
- unusual steering noise
- reduced or inconsistent steering assist
- steering does not return smoothly to center
- free play or rough steering feel
What's Included
- 1 × Steering Rack Mounting Bush Set (4pcs)
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Mercedes-Benz Mercedes Benz ML-class (w164)
- Mercedes-Benz Mercedes Benz GL-class (x164)
- Mercedes-Benz Mercedes Benz R-class (w251, v251)
Part Number / PN
1644600029, A1644600029
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 1644600029 is the primary fitment check.
FAQ
How do I confirm fitment for this Steering Rack Mounting Bush Set (4pcs)?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 1644600029. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Steering Rack Mounting Bush Set (4pcs)?
Confirmed symptoms include unusual steering noise, reduced or inconsistent steering assist, steering does not return smoothly to center, free play or rough steering feel. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Steering Rack Mounting Bush Set (4pcs)?
The confirmed kit contents are: 1 × Steering Rack Mounting Bush Set (4pcs).
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings