Caldwelldr Posted March 18, 2018 Report Share Posted March 18, 2018 What is the alternator belt part number for my 1977 M20J/201? The P/N on the belt is missing after 37------ . Also can not find the P/N in the parts manual. Quote Link to comment Share on other sites More sharing options...
jetdriven Posted March 18, 2018 Report Share Posted March 18, 2018 (edited) It’s in the Pc406-1 Lycoming parts catalog. Part number 37A19773-376 Edited March 18, 2018 by jetdriven Quote Link to comment Share on other sites More sharing options...
OR75 Posted March 18, 2018 Report Share Posted March 18, 2018 A pain in the ... To replace ... Need to remove the prop ... 1 Quote Link to comment Share on other sites More sharing options...
mooneyflyfast Posted March 19, 2018 Report Share Posted March 19, 2018 While you are at it you might want to put a spare belt. It can be secured where it is out of the way until you need it.. Eliminates the need to remove the prop to install a new belt. Quote Link to comment Share on other sites More sharing options...
flyboy0681 Posted March 19, 2018 Report Share Posted March 19, 2018 21 minutes ago, mooneyflyfast said: While you are at it you might want to put a spare belt. It can be secured where it is out of the way until you need it.. Eliminates the need to remove the prop to install a new belt. I wish you had written this a month ago when my prop was off. Grrr. Quote Link to comment Share on other sites More sharing options...
jetdriven Posted March 19, 2018 Report Share Posted March 19, 2018 Idk it’s a 50$ belt and by the time it goes bad, the other one is bad too from being zip tied to a hot engine for 800 hours, and 5 years of ozone. 1 Quote Link to comment Share on other sites More sharing options...
flyboy0681 Posted March 19, 2018 Report Share Posted March 19, 2018 2 minutes ago, jetdriven said: Idk it’s a 50$ belt and by the time it goes bad, the other one is bad too from being zip tied to a hot engine for 800 hours, and 5 years of ozone. Maybe so, but if needed in a pinch, it could be priceless. 2 1 Quote Link to comment Share on other sites More sharing options...
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