Grease Coupler XL
The GC81042 Grease Coupler XL from Lock N Lube offers extended reach, locking jaws, and leak-proof performance up to 10,000 PSI. With almost 4″ length, it's ideal for recessed fittings on U-joints, PTO shafts, or harvester heads. Compatible with all grease gun types and both SAE/metric Zerk fittings. Rebuildable design includes spare seal and jaws. USA-made and sold by Wofford Truck Parts for durable, no-mess lubrication.
$55.11
Specifications
The Lock N Lube GC81042 Grease Coupler XL combines durability, precision, and efficiency. Its patented four-steel-jaw mechanism locks onto SAE and metric Zerk fittings, ensuring a secure, hands-free, leak-proof connection under pressures up to 10,000 PSI. With approximately 3.6–4″ reach (127 mm length), it excels on deeply recessed grease fittings such as U-joints, harvester heads, and PTO shafts. The thumb-lever quick-release enables safe disengagement even under pressure. Universal compatibility with manual, pneumatic, and electric grease guns (1/8″ NPT) makes this coupler extremely versatile. Fully rebuildable, it comes with replacement seal and jaws for long-term use. Proudly made in the USA and available via Wofford Truck Parts, the GC81042 ensures reliable, mess-free lubrication season after season.
Weight
0.3625
Compatibility
Alternative Part Numbers
GC81042
GC81042 (same)
GCXL
GC81032
GC81042 (same)
GCXL
GC81032
