The PC used to allow control of electronic hardware by interfacing through its I/O ports and operating system that allowed deterministic real-time control. The PC grew progressively more complex and powerful at doing GUI, multitasking, 3D graphics, virtual memory management, and much more. But it al...

HIGH SPEED TRAILER HUBS DEMOUNTABLE - COMPLETE -4 HOLE HUB. ÿ Hub assembly includes: nuts, bolts, 2 each bearings and cups, and 1 grease seal and dust cap. ÿ Bolt size:ÿ 4 stud. ÿ Bearing size:ÿ 1-1/16". ÿ Inner:ÿ LM44649. ÿ Bearing size:ÿ 1-1/16". ÿ Outer:ÿ LM44649. ÿ Hub length:ÿ 4-1/8". ÿ Distanc...

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

The Sierra 18-2381 Upper Drive Unit Cap is interchangeable with the following: GLM 28400, Mallory 9-78121, Mercruiser 94998A2, 9-4998A4, 94998A1, 94998A3. Each Sierra product meets or exceeds the original equipment part it replaces.