●Vehicle fitment: compatible with 1999-2006 Chevy Silverado 1500(2000 Chevrolet Silverado 1500 Only fit Extended Cab)/1999-2006 Chevy Silverado 2500/2001-2006 Chevy Silverado 3500/2007 Chevy Silverado with Classic Body Style (will NOT FIT other models!!!)/1999-2002 GMC Sierra 1500/1999-2002 GMC Sierra 2500/2001-2002 GMC Sierra 3500. 1-YEAR WARRANTY. Do not fit Barn Door or Stepside models. ●Weather-tight construction: this pair of waterproof tail light assemblies are hermetically sealed to prevent moisture from getting trapped inside the housing; the one-way vent ensures the condensation is expelled out ●Impact-resistant housing: the rugged weather-proof housing is thoroughly tested to ensure exceptional resistance to vibration, moisture, dust, UV, etc, delivering years of dependable performance and durability ●Functional for safe driving: the one-piece polycarbonate lens and metal plating improve lighting capabilities; the sided safety reflector makes it easier for whose behind to see you and keep a safe distance ●Note: professional installation would be highly recommended and make sure the OE bulbs are in the center of tail lamps socket to avoid oblique bulbs melting the housing (taillight bulbs not included)