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Need help with transmission output shaft seal part number???

J

Johndeere120

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Joined
Jun 11, 2020
Messages
112
Location
Pennsylvania
I have a ford l9000 1979 finally got around to fixing the ujoints and other repairs from last year havnt used it much since. Long story short I want to replace my trans output shaft seal while I got the yoke off but the tag on the trans is gone so I have no idea what the model number is... I know it's a 9 speed and I took off the bearing housing on the yoke and the part number reads "14961". Does anyone have any idea what seal I need? I just took it out so if pictures help I can upload them. Any help is appreciated! Also on the bottom back of the trans its stamped "18700".
 
Truck Shop

Truck Shop

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Dec 7, 2015
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1979-should have a RT12509 transmission which in any case the seal will be the same for several transmission models from that era using
the ten spline output shaft.
 
J

Johndeere120

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Joined
Jun 11, 2020
Messages
112
Location
Pennsylvania
Yes I believe it is a course 10 spline I forgot to count but pretty sure I took some photos. Would you happen to know a part number or website I can track down a part number? I cant seem to one not sure why
 
Tones

Tones

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Ubique
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Ex land clearing contractor, part-time retired
Don't bearing supply shops in your area sell seals as well? Usually seals have a part number on them or remove the seal then measure the width, inside and outside diameters, check if it's single or double lipped. It'll probably be made of viton. I can't remember ever buying seals from a component manufacturers even for hydraulics.
 
J

Johndeere120

Well-Known Member
Joined
Jun 11, 2020
Messages
112
Location
Pennsylvania
Tones said:
Don't bearing supply shops in your area sell seals as well? Usually seals have a part number on them or remove the seal then measure the width, inside and outside diameters, check if it's single or double lipped. It'll probably be made of viton. I can't remember ever buying seals from a component manufacturers even for hydraulics.
Click to expand...
Good point I'm not sure actually. I looked for a part number but didn't see one on the original.
 
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