2014 LEXUS GS SERIES Misc. GS SERIES 2011 -2018 Mk4. O/S/F =Off Side FrontO/S/R =Off Side Rear. N/S/F =Near Side FrontN /S/R =Near Side Rear. GENUINE PART Near Side - Off Side Explained. Off Side =The Drivers Side of the Car, often shorten to O/S.
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