Diff pinion oil seal

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Re: Diff pinion oil seal

Post by philhoward » Wed Sep 11, 2013 7:47 am

MikeyBikey wrote:wow. I know its a lot of work for someone but it would be good to have a list somewhere of parts /known alternatives
Its called "Alterpart"... :wink:


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Re: Diff pinion oil seal

Post by scimjim » Wed Sep 11, 2013 8:00 am

Googling reveals that the 2HA-019 was originally fitted to the Salisbury 2HA diff (item 019 on the drawing funnily enough) and also the later 4HA. It has the following alternative part numbers (Land Rover number isn't mentioned in this list):

SKF Part #15788 - 010701, 10046337, 10046377, 12305252, 133321, 133390, 14079450, 1791590, 184160, 199379, 200420, 2067211, 2235018, 2235019, 28159, 2961190, 2HA019, 307024, 35206820, 3840, 39658, 3979616, 409235, 4213202, 511655, 63535, 639265, 6484093, 701119, 80507, 83503390, 8983503390, 8M4676, 8M4676A, 9143317, 942905, 9429051, 992092, 998092, B6A4676A, C6TZ4676A, D7TZ4676A, E1TZ4676A, E4TZ4676A, GP4676, GP4676A, J0307024, J0639265, J0701119, J0992092, J0998092, J998092, K28065, LF4676A, MC4676A Grease Seal


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Re: Diff pinion oil seal

Post by Coupe Racing » Wed Sep 11, 2013 10:59 am

As before , be careful of pinion flange dimensions


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Re: Diff pinion oil seal

Post by superleggo » Wed Sep 11, 2013 10:19 pm

Well it looks to be in the right ball park so i will try fitting it at the weekend. I can't leak more than the current one which may as well not be there!



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Re: Diff pinion oil seal

Post by philynnbob » Fri Mar 07, 2014 7:09 pm

Coupe' Racing wrote:As before , be careful of pinion flange dimensions
As I changed my pinion oil seal today I thought I would resurrect this thread which may help others to see difference between seals.
As Steve stated above there are two different pinion flange dimensions as shown in picture.
The smaller size flange uses the 2HA-019 type seals.
The larger size flange is the one which is suitable for the Land Rover AAU 3381 type seal.



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Re: Diff pinion oil seal

Post by scimmy_man » Fri Mar 07, 2014 9:07 pm

philhoward wrote:
MikeyBikey wrote:wow. I know its a lot of work for someone but it would be good to have a list somewhere of parts /known alternatives
Its called "Alterpart"... :wink:
and it was a lot of work. :lol:


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Diff pinion oil seal

Post by scimjim » Wed Jul 31, 2019 7:50 pm

tony.idle wrote:
Wed Apr 11, 2012 10:05 am
You might find this useful if you decide to replace the pinion seal:

You need to drill a couple of holes in a piece of scrap 1/4" steel strip so you can bolt it to the flange. Make it long enough to reach the chassis rails so it prevents the flange turning. Mark the nut & the end of the pinion shaft with a centre punch. Remove the flange & old oil seal. Check the seal contact area on the flange for damage - polish it with fine emery / wet'n'dry anyway. Clean out the seal seating: if your seal is metal / leather fit it using a gasket & sealing compound. If it's rubber grease the outside & press it in until it's flush. (no gasket or sealant). Grease the lips with Moly grease. Replace the flange, washer and nut. Tighten the nut until your centre punch marks coincide then a little further until the marks are around 1/8" apart.

The pre-load is set only with new pinion bearings. The collapsible spacer requires incredible effort to collapse initially & significant effort to collapse further than it is: you won't accidentally collapse it too far. The extra tightening of the nut past the marks ensures that is is fully tightened without significantly adding pre-load. The special tool - drilled bar - is essential: the handbrake will not hold & you'll need a decent bar on the socket used to undo / redo the nut.


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Diff pinion oil seal

Post by Trampintransit » Tue Aug 06, 2019 8:42 pm

So ..two different sizes of flange? Can either size be on any car? I'm getting qouted 30quid for a pinion seal for the 6b !!!! For something that I'm pretty sure is out there for under a tenner?



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Diff pinion oil seal

Post by philhoward » Tue Aug 06, 2019 8:51 pm

One size is a Landrover part and as you say, a tenner or so. Mine wasn’t, so had one speedily delivered by QRG instead.

I have a feeling you don’t know which one you have until you pull the old one out..unless the parts manuals show a changeover point? Mine was as 74 5a; the LR seal inner diameter was too big for the flange. I believe it was the original axle, but a lot of cars have had recon/replacement axles over the years so nothing is guaranteed.


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Diff pinion oil seal

Post by Trampintransit » Tue Aug 06, 2019 9:03 pm

So how did you end up with both flanges?
I kinda get the feeling that both will.e available as seal for some other car for a tenner.
ie; https://coventryautocomponents.co.uk/st ... ct_id=1397



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Diff pinion oil seal

Post by philhoward » Tue Aug 06, 2019 9:11 pm

I didn’t - I ended up with both seals..the wrong (cheap) one and the right (more expensive) one.


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Diff pinion oil seal

Post by Trampintransit » Wed Aug 07, 2019 12:23 am

I don't suppose you measured the SHA019 did you ...



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Diff pinion oil seal

Post by philhoward » Wed Aug 07, 2019 6:33 am

Im afraid not.


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Diff pinion oil seal

Post by Trampintransit » Mon Aug 19, 2019 6:15 pm

D'you rememebr the socket size?



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