Mercury Mariner Switch Box - 4/6 Cyl.

CDI Ignition Unit for Mercury/Mariner ("Switch Box" & "Powerpack") type 9Modeltypes:Mercury 50 Years 67 Model 500 S/N: 2116318-2305100Mercury 65 Years 67 Model 650 S/N: 2119749-2309310Mercury 80 Years 69 Model 800 S/N: 2559001-2991033Mercury 80 Years 70 Model 800 S/N: 3052381-3059820Mercury 80 Years 71-72 Model 800 S/N: 3307347-3493912Mercury 85 Years 73-75 Model 850 S/N: 3493913-4366801Mercury 90 Years 78-79 Model Inline S/N: 4845301-5299505Mercury 95 Years 66-67 Model 950 S/N: 2101743-2318585Mercury 100 Years 67-69 Model 1000 Inline S/N: 2641855-3253111Mercury 110 Years 67 Model 1100 Inline S/N: 2113898-2314955Mercury 115 Years 70-79 Model 150 SS Inline S/N: 2836019-5314655Mercury 125 Years 68-69 Model 1250 Inline S/N: 2314956-3253111Mercury 135 Years 70-71 Model 1350 Inline S/N: 2839369-3293233Mercury 140 Years 72 Model 1400 Inline S/N: 3293234-3502805Mercury 140 Years 78-79 Model Inline S/N: 4855153-5314655Mercury 150 Years 73-77 Model 1500 Inline S/N: 3502806-4868997You may find the below numbers on your old unit:• Mercury/Mariner: # 332-2986A3, 332-2986A4, 332-2986A5, 332-2986A7, 332-2986A8, 332-2986A9, 332-2986A10, 332-2986A17, 332-2986A21, 332-2986A22, 332-2986A23, 332-2986A24, 332-2986A25, 332-2986A27