The Graco fill cap - 113648 is indispensable for your Graco Oil King or Coolant King. Designed to prevent undesirable substances from entering the tank, this fill cap ensures your equipment's optimal performance and longevity. Its durable construction and precise fit guarantee a secure and tight seal. Engineered by Graco, a trusted name in the automotive equipment industry, this fill cap is a reliable solution you can depend on. Don't let a missing fill cap compromise the integrity of your equipment - get the Graco fill cap - 113648 today!