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Points #580148; condensers #510173 replaced by #580321; coils #580118 replaced by #584477. These numbers are the same for the ’56 and ’58 Johnson QD motors. The marineengine site will give you the corresponding Sierra numbers for each piece. You should know lots of us have experienced trouble with proper fitting of the Sierra point sets and the new BRP point sets aren’t much better. If you can possibly salvage your existing point sets with a good cleaning you would probably be better off.
Bob
1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."1 user thanked author for this post.
Also, here’s a link to a Sierra catalog showing typical tune-up and service parts all the way back to your ’56 Johnson. Just enter the model number, year and hp at the top of the page.
https://catalog.sierraparts.com/marine
Bob
1937 Champion D2C Deluxe Lite Twin
1954 Johnson CD-11
1957 Evinrude Fastwin 18
1958 Johnson QD-19
1958 Johnson FD-12
1959 Johnson QD-20“Every 20 minute job is only a broken bolt away from a 3-day project.”
"Every time you remove a broken or seized bolt an angel gets his wings."1 user thanked author for this post.
bobw: “You should know lots of us have experienced trouble with proper fitting of the Sierra point sets and the new BRP point sets aren’t much better. If you can possibly salvage your existing point sets with a good cleaning you would probably be better off.”
Original OMC points will have this mark. I always clean, polish and re-use originals rather than trust the aftermarket or the others as mentioned.
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