OER Parts offers a wide selection of Car Care Products for your 1981 Buick Regal. OER Parts offers 1981 Buick Regal Cleaning Supplies, 1981 Buick Regal Bottles and Sprayers, 1981 Buick Regal Ketchup Top For 16 Oz. Bottle, 1981 Buick Regal Industrial Sprayer For 16 Or 32 Oz Bottle, 1981 Buick Regal Secret Formula 32 Oz HD Bottle & Sprayer, 1981 Buick Regal Industrial Grade Fire Hose Nozzle, 1981 Buick Regal Full Function 1.6 Quart Power Atomizer And Sprayer, and { year} Regal Pour Boy All Purpose Spout.