LubriMatic Plunger Grease Gun — 8 oz Screw‑On Tube, Compact Marine‑Rated Delivery

The Quicksilver Lubrimatic 30500 is a plunger-style grease gun that screws onto 8‑ounce lubricant tubes to deliver precise grease to zerk fittings, prop shaft splines and cable steering points.

Compact and built for marine use, this plunger grease gun accepts standard 8‑ounce Quicksilver or Mercury lubricant tubes and was engineered to meet stringent OEM test standards. Its simple screw‑on tube fit and straight spout let you apply grease where you need it—on engine fittings, drive components and around the boat, shop or garage. Durable construction and familiar operation make it a handy maintenance tool for seasonal care and quick field servicing.

How does this grease gun work for on‑board maintenance?

The Lubrimatic 30500 operates as a plunger unit: insert a compatible 8‑ounce lubricant tube, screw it in, then depress the plunger to force grease through the spout into zerk fittings. The direct screw mating keeps the tube secure in rough conditions and helps reduce waste. It’s ideal for routine lubrication points that require short bursts of grease rather than bulk pumping.

• Screws onto standard Quicksilver/Mercury 8‑ounce tubes for quick loading
• Plunger action provides controlled grease delivery to zerk fittings
• Compact size fits marine tool kits and storage lockers
• Simple mechanics minimize maintenance and potential failure

Can I use it to lubricate prop shaft splines and steering cables?

Yes—this grease gun can apply grease directly at the spout to coat prop shaft splines and cable steering linkages. When used with recommended Quicksilver greases like 2‑4‑C, it helps create a protective layer that eases future prop removal and reduces wear on sliding components. Avoid overfilling sealed fittings; apply short, measured strokes.

• Apply grease at prop shaft splines to ease future removal
• Use short strokes for cable steering systems and small fittings
• Works with manufacturer‑recommended greases for best compatibility
• Hand‑operated control prevents overpressurizing fragile seals

Is this grease gun suitable for non‑marine projects and shop use?

The Lubrimatic 30500 is versatile enough for garage, workshop and yard tasks where standard zerk fittings are present. Its screw‑on tube system and plunger action make it convenient for small jobs on lawn equipment, trailers, and household machinery. Because it’s built to marine OEM standards, it tolerates humid and corrosive environments better than many generic guns.

• Useful for lawn mowers, trailers, and light machinery with zerk fittings
• Marine‑rated design resists corrosion in damp conditions
• Portable size simplifies transport and field repairs
• Compatible with widely available 8‑ounce lubricant tubes

What maintenance or care does the grease gun require?

Maintenance is minimal: wipe the exterior and spout after use, store dry, and replace lubricant tubes when empty. Inspect the plunger and threaded tube mount occasionally for wear or debris, and keep a spare tube of recommended Quicksilver grease onboard for immediate service. Proper storage prevents contamination and prolongs tool life.

• Clean spout and body after each use to prevent contamination
• Store in a dry location away from direct sunlight and salt spray
• Check threads and plunger for wear; replace parts as needed
• Keep spare Quicksilver lubricant tubes for fast on‑board repairs

Who is this for: The Quicksilver Lubrimatic 30500 plunger grease gun is designed for boat owners, marine technicians and anyone who needs a compact, reliable tool for periodic lubrication of zerk fittings, prop splines and cable steering systems. It also suits DIYers and shop professionals who prefer a simple, OEM‑tested gun that accepts 8‑ounce lubricant tubes for quick, controlled grease application.