Caps and Plugs
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Protect exposed lubrication points from dirt, dust, moisture, and debris with USA-made plastic grease caps. Our Zerk fitting caps help keep fittings clean between maintenance intervals.
Shop plastic grease fitting caps from Caps and Plugs USA. Compare styles, colors, and volume pricing to find the right fit for your equipment.
Exposed Zerk fittings can collect dirt, dust, and moisture between lubrication intervals. Our grease caps cover compatible fittings to help keep contaminants away from lubrication points. Use them on automotive, agricultural, industrial, and heavy equipment to support routine maintenance.
Push-on installation and easy removal make routine lubrication simple. Choose from flanged, flangeless, pull-tab, and retaining-ring designs to suit your equipment and access needs. Check the product dimensions against your fitting before ordering to select a compatible grease cap.
Choose from five stock colors to help identify lubrication points and organize maintenance. Custom colors are also available for larger orders, subject to minimum order quantities.
Our plastic grease fitting caps are manufactured at our Southern California facility and sold directly to your business. Factory-direct ordering gives you access to competitive volume pricing, multiple cap styles, and a domestic source for your ongoing supply needs. Whether you are protecting a fleet or supplying an equipment production line, compare our available configurations to find grease caps that suit your application.
Keep maintenance supplies on hand with convenient online ordering and grease caps shipped directly from our Southern California facility.
Order grease fitting caps for your business with shipping options available at checkout.