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The WD-40 300103 is a 10-ounce thick gel lubricant designed for use on vertical surfaces and components where a standard spray lubricant would run off before penetrating. The gel formula stays in place on contact, delivering lubrication directly to gears, bearings, cables, chains, and rollers without dripping or spreading to surrounding surfaces. It includes a Smart Straw spray system for targeted, precise application in tight or hard-to-reach areas. The product provides extended-duration lubrication and actively resists rust and corrosion, making it a practical choice for both shop maintenance and field service work across HVAC, plumbing, and mechanical trades.
This gel lube is suited for residential and commercial maintenance applications where controlled lubrication is required on moving parts. It performs well in scenarios where a technician needs to service a component in place, such as lubricating a blower wheel bearing, condenser fan motor shaft, cable assembly, or roller track without disassembly. The no-mess gel format reduces cleanup time in finished or occupied spaces.
Designed as a general-purpose gel lubricant for use on metal and mechanical components across HVAC, plumbing, electrical, and industrial maintenance applications.
Applied by service technicians and maintenance professionals. Before lubricating any component, power down the associated equipment and allow moving parts to come to a complete stop. Shake the can before use and direct the Smart Straw nozzle to the target area for controlled delivery. Use in a well-ventilated space and follow all label safety instructions when working in enclosed mechanical rooms.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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