Autoglym Bumper and Trim Gel Revives and Protects Exterior Plastics, Vinyl and Rubber. Autoglym Bumper and Trim Gel 500ml. Revives colour, restoring them to their original finish. Gearshift Cables. A: Bumper & Trim Gel can be used to rejuvenate all external unpainted plastic and rubber trim however it is a dressing and so would not be a permanent fix.
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