This includes 1 complete set of O rings and retainers (items 1,2,3&4 in pic) for 1 side of the tank. Order 2 sets if you need to replace both sides. GM list price on the O rings list price is $92.43 each set without the retainers. O rings will be a different color than OEM but will meet or exceed OEM standards to reduce cost. Retainers are printed in fuel stable nylon.
