Replacement part numbers: 62351A1, 62351A2, 816770, 816770T, 185707, 1546770, 8M0058226 Replacement for Sierra 185707 Replacement for CDI 1546770 Compatibility - Fits various Mercury and Mariner 2-cycle outboards from 6 HP through 220 HP - Covers a wide range of engines with the Sierra 185707 or CDI 1546770 replacement needs Function and benefits - Provides a direct replacement to restore electrical function in engines using Sierra 185707 or CDI 1546770 - Ensures proper fit and electrical compatibility with Mercury/Mariner 2-cycle models within the 6–220 HP range - Simple cross-reference across multiple part numbers for easy sourcing and stocking Use scenarios - Routine maintenance: replace worn or failing Sierra 185707 or CDI 1546770 components on Mercury/Mariner 2-cycle outboards - Repair shop inventory: stock this versatile replacement to service a broad 6–220 HP range of Mercury/Mariner engines - Onboard redundancy: keep as a spare for boats with 6–220 HP Mercury/Mariner outboards to minimize downtime Note: The material and exact internal design specifics are not provided; this part is listed to match the specified replacement numbers and engine compatibility.