OER Parts offers a wide selection of Car Care Products for your 1978 Buick Opel. OER Parts offers 1978 Buick Opel Cleaning Supplies, 1978 Buick Opel Bottles and Sprayers, 1978 Buick Opel Ketchup Top For 16 Oz. Bottle, 1978 Buick Opel Industrial Sprayer For 16 Or 32 Oz Bottle, 1978 Buick Opel Secret Formula 32 Oz HD Bottle & Sprayer, 1978 Buick Opel Industrial Grade Fire Hose Nozzle, 1978 Buick Opel Full Function 1.6 Quart Power Atomizer And Sprayer, and { year} Opel Pour Boy All Purpose Spout.