LockNLube Grease Coupler XL – incl. spare rebuild kit (GC81042)
LockNLube LockNLube Grease Coupler XL – incl. spare rebuild kit (GC81042)
The LockNLube GC81042 Grease Gun Coupler XL, just like the shorter original, is compatible with all grease guns and grease fittings. The durable grease gun coupler does not leak once locked on and will not pop off under pressure. No hands are needed to align or hold the grease gun coupler in place while greasing.
Rated to 10,000 PSI
Hands-free; does not pop off under pressure
Grease gun coupler with over 3.5 in. of reach
Fits all standard Grease Guns with 1/8 NPT fitting
Easily replaces seal and jaws without replacing the coupler
Lifetime guarantee on manufacturing; replaceable wear parts
Locks on and stays on; does not leak once locked on
Easily release from fittings with thumb lever, even at extreme pressure
Great for shielded PTO shafts, axles, harvester heads, U Joints and other recessed grease fittings
Fits all SAE and Metric Zerk fittings
Simply replace your existing coupler
Product identification
- Brand: LockNLube
- Model / MPN: GC81042





