The Leak Defender Replacement Fuel Cap is a practical and reliable solution for replacing your old or damaged fuel cap. Sold individually, this replacement cap fits most makes and models with a Leak Defender fuel neck, making it a versatile option for many vehicles. Compatible with most Leak Defender models, this fuel cap is a convenient and cost-effective choice for ensuring a secure and leak-free seal. Please note that it will not work on OEM fuel necks. Upgrade your fuel system with the Leak Defender Replacement Fuel Cap for peace of mind on the road.