Allen-Bradley 84-816761A10 Spark Plug Wire Kit

84-816761A10 Spark Plug Wire Kit is an ignition wire set designed for MerCruiser/OMC I/O engines, providing a direct replacement for worn spark plug leads and helping restore consistent ignition across cylinders. This Mercury Marine/Quicksilver component has been superseded by part 816761Q10, and is cross-referenced with 43376A10, 503752, 503755, 9-28003, and S18-8802-1/2. The kit’s verified specifications include an approximate shipping weight of 1.44 lb and packaging dimensions around 9.00 in long, 8.00 in wide, and 2.50 in tall. It is used to replace ignition wires on MerCruiser and OMC IO installations, and is commonly listed as an aftermarket replacement compatible with Mercruiser IO models.