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#1
12-21-2019, 11:32 AM
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WTB NOS AC Delco 3860341 18 tooth speedometer gear
WTB
NOS AC Delco 3860341 18 tooth speedometer gear posting in other sections as well. Thanks |
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#2
12-21-2019, 12:33 PM
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3860341 was changed to 3987918 in Sept. 1979.
3860341: https://www.parts123.com/index/googl...28-3860341.htm Here are some NOS GM 3987918 if this will suffice for you..  https://www.ebay.com/itm/350-TURBO-A...bcbf104620bc65 https://www.ebay.com/itm/NOS-GM-3987...AAAOSw1nVd1XvS https://www.ebay.com/itm/NOS-GM-1961...AAAOSwXSVdfP4B
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey 1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles 2017 Sierra SLT 1500 Z71 4X4  2019 Canyon SLT Crew 4X4  
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#3
12-21-2019, 01:05 PM
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EDIT: you gave a link. I will check that out.. thanks
There are 2 different diameter gears - The smaller ones are meant for the larger internal drive gear The larger ones are meant for the smaller internal drive gear. The measurement on the larger gear I need is 22mm or .86" If you can take a measurement and let me know - I am interested. Just wanting to get one that fits. I have had shops send me gears that are too small Thanks! |
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#4
12-21-2019, 01:52 PM
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Quote:
__________________
1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey 1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles 2017 Sierra SLT 1500 Z71 4X4 2019 Canyon SLT Crew 4X4
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