Shop our oil tank locks and caps for your oil tank here at Tanks R Us. We source our supply of locks and caps from manufacturers such as Centre Tank Services and Spinsecure to offer you the highest quality accessories for your oil tank. To reduce the chance of contamination within your oil tank, our oil tank locks and caps create a secure seal between the outside environment and your oil. Keeping your oil tank clean on the inside by securing your tank using locks and caps is of high importance, a failure of this will allow contamination to the fluid inside, which may be unsafe and will cause problems in the long run, potentially damaging your equipment and causing contamination to your oil. No matter what tank you have, we stock the replacements for all oil tank locks and caps in our range of products. View our full range of tank locks and caps here or contact us for further guidance.