Check the listing for details. Replacement O-Ring for Jug Caps - 5 Pack, Compatible with Fuel Containers, Durab. Condition: New. Listed at 20.99 USD. Upgrade your fuel storage solutions with our premium 3043B O-Ring set. Designed to ensure a perfect seal, these O-Rings are essential for maintaining the integrity of your fuel containers. Maintain optimal performance of your fuel containers with high-quality seals.