Your search for 'mercury 20 hp ignition' generated 3809 results 
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Mercury 4 & 6 inline, 75-150 HP
22.99 USD
Mercury Marine 391-5092 Condenser. Fits MerCruiser V-8 engines with Mallory conventional ignition.
4.77 USD
Mercury Marie 392-6324 Condenser. Fits Ford & GM 4,6, & 9 cylinder Engines with Prestolite conventional ignition.
3.77 USD
For fresh water hook-up to a Mercury/Mariner engine for running at idle or for flushing of the block. Use care in choosing the correct application
29.99 USD
For fresh water hook-up to a Mercury/Mariner engine for running at idle or for flushing of the block. Use care in choosing the correct application
29.99 USD
Replacement for Johnson/Evinrude Outboard #510364 and Mercury/Mariner Outboard #20121
13.49 USD
Ultimate Switch 20 Amp Totally sealed No moving parts Not affected by oils or debris Completely corrosion proof "Mirus" field effect technology Activates at 2" fluid level De-activates at 3/4" fluid level No mercury No false starts 20 Amp maximum 12/24 volt Ignition protected Meets and exceeds NMMA, ABYC, .SCG, ISO 88463-year warrantySh. Wt. 1 lb.
32.99 USD
Adapts 33C or 33C Supreme cables to fit directly into engine connections. Model 161424 for Evinrude/Johnson: 55-235hp, '78 to date: 20+hp, '86; 20, 25 &30hp motors may need OMC Kit 397488 if motor does not have it installed Model 161430 for Mercury Outboards 40-300hp
29.99 USD
Fits GM 4 Cylinder Engines with Delco Conventional Ignition.
23.99 USD
Fits all Mercury and Mercruiser, and 1993-present Mariner (40 hp and over) engines. Engine and controls must both be Mercury or Mercruiser to work with these cables Check engine or throttle ends for stamped length or measure tip-to-tip Sold individually
29.99 USD