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Front Upper Arm Inner Bush Caster Adjustable

Mercedes-Benz W203, W209, W211, R171 Front Upper Control Arm Bushings - Caster Adjustable

POWERFLEX
Availability:
5+ in stock, ready to be shipped

Ships same or next business day

SKU PFF40-502GBLK
$220.99 - $220.99
$220.99
$220.99 - $220.99
$220.99
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CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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Made using our Black 95A Durometer Polyurethane with in-house CNC-machined stainless-steel adjustable sleeves and a matched adjusting spanner, they now include the geometry adjustment present in the original bushes, plus an additional 50% for extra control over your wheel geometry. This equates +/- 1° of front wheel caster.

OEM part numbers: A2033330214, A2033331014, 203 333 02 14, 203 333 10 14, A2043331014, 204 333 10 14, A2113332914, 211 333 29 14

Installation instructions / drawing (PDF)

This part also goes by the following cross reference.

Cross Reference Part Number: A2033330214, A2033331014, 203 333 02 14, 203 333 10 14, A2043331014, 204 333 10 14, A2113332914, 211 333 29 14

Fits These Vehicles 12 applications
Mercedes-Benz
Make Model Engine Years
Mercedes-Benz CL203 Sport-Coupe/CLC 2000–2011
Mercedes-Benz W203/S203 2000–2007
Mercedes-Benz W204/C204 inc AMG 2008–2015
Mercedes-Benz W209/C209/A209 2003–2010
Mercedes-Benz C207/A207 2009–2017
Mercedes-Benz W211/S211 2002–2009
Mercedes-Benz CLS-Class C219 2004–2010
Mercedes-Benz GLK-Class X204 2008–2015
Mercedes-Benz SL-Class R230 2002–2011
Mercedes-Benz SL-Class R231 2011–2020
Mercedes-Benz R171 2004–2010
Mercedes-Benz R172 2011–2020

Fitment data last updated: 2026-11-08

Fits 12 vehicle applications Check vehicle fitment before ordering View fitment

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