Stay on the road with one of our automotive stop-leak products. Whether you need radiator stop-leak or oil stop-leak products, you can find items at Zoro to fix the leak, condition your car’s systems, and help you avoid expensive trips to the car shop. Treat your car at the first sign of a leak to avoid additional damage to your vehicle. Zoro also has other products to help keep your ride performing at optimum levels such as automotive sealers and automotive sealants.