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Author Topic: Speedometer gear  (Read 138 times)

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Offline Jim

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Speedometer gear
« on: April 18, 2025, 11:59:10 AM »
Hi ,st 300 anyone know of the part #  or where to get a new speedometer gear and oil seal   3:08  posi. Jim
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66 lesabre,68 Electra, 42special streetrod, multiple, chevs, 69 chevelle ss,67 skylark conv, 65 skylark ht,68 el Camino  and more , 65 skylarkgs

Offline BuickGS65

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Re: Speedometer gear
« Reply #1 on: April 18, 2025, 04:31:57 PM »
Pro's Choice Transmission Parts on eBay has both. User name: pro's-choice-transmission-parts
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Offline WkillGS

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Re: Speedometer gear
« Reply #2 on: April 19, 2025, 08:29:55 AM »
You can look it up in the parts book here. It's a great resource!
https://65gs.com/wp-content/uploads/2017/07/1964-72-Buick-Master-Parts-Catalog.pdf

The speedo gears are in group 4.337.
The tooth count (39-42) will depend on what size tires you have, 7.75-14's used a 40 tooth driven gear. Figure about a 3mph difference per tooth.
A Google search  for '1362048 gear' shows a price range from $18-$40.

EDIT/Added:
For the oil seal, RockAuto is a great place to look up part numbers to start comparison shopping. It's still best to get the GM number from the Buick Parts book to avoid any errors.
« Last Edit: April 19, 2025, 01:09:27 PM by WkillGS »
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Walt K
Eastern Pa

66 GS Astro Blue/blue 425 auto
66 GS Silver Mist/black 401 4 spd
66 GS Flame Red/black 401 5 spd
66 GS Saddle Mist/black 401 L76 auto
66 Special Flame Red/black 300 5 spd
65 GS vert Verde Green/ Saddle buckets 401 4 spd
79 Turbo Regal

Offline Jim

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Re: Speedometer gear
« Reply #3 on: April 20, 2025, 08:57:28 AM »
Thanks guys.jim
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66 lesabre,68 Electra, 42special streetrod, multiple, chevs, 69 chevelle ss,67 skylark conv, 65 skylark ht,68 el Camino  and more , 65 skylarkgs
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