40490pb057L Technic, Liftarm Thick 1 x 9 with Dark Blue and Dark Red 'ENGYNE', 'INDIKATOR' and Silver Vent Pattern Model Left Side (Sticker) - Set 42109 Parts: Technic, Liftarm, Decorated
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40490pb057R Technic, Liftarm Thick 1 x 9 with Dark Blue and Dark Red 'ENGYNE', 'INDIKATOR' and Silver Vent Pattern Model Right Side (Sticker) - Set 42109 Parts: Technic, Liftarm, Decorated