Since 1956, Rocket Seals has been in business as a seal distributor in Southwest Denver. For over 60 years, we have been serving customers around the corner and around the world. We provide a selection of over 20,000 seals in hundreds of styles and thousands of sizes. We stock O-rings, oil seals, rod seals, piston seals, Caplugs™, cord stock, sheet stock, a limited number of gaskets, and more.  We serve a wide range of customers from hydraulic shops to automobile part stores, from the aerospace industry to breweries.


As a family owned business, we are dedicated to excellent customer service with a full staff of well-trained sales people to make sure you get the part you need, whether it’s 100,000 O-rings or 1 oil seal. We understand that you may not know what seal you need.  Your job is to get your machine back up and running - let us help you find the right seal. We can match your old seal to find the right replacement for you, and get your order out the door the same day.


Give us a call at 1 (800) 445-7803 or send us an email at