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That pesky distributor O-Ring seal...; How-To soon to come!
Topic Started: Apr 14 2010, 08:43 PM (3,259 Views)
allcorne
Fresh Fish
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I replaced the o-ring just to find out that it is the dist. shaft seal i pulled it apart .The seal size is
10x20x7mm and the bearing is a koyo 6000rs i should be able to get these at a bearing and seal store but not one of them was open on the weekend wich sucks
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poorman1


:smackface
Edited by poorman1, Apr 1 2012, 12:24 PM.
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mjspiess
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According to the various threads I read, here are many sources for this o-ring & current prices in no particular order:

O'Reilly Auto Parts: Part #213 - $.99 each
Amazon: Viton 75A (Pack of 2) - $8.49 shipped
Rock Auto: Dorman #64213 - $4.04 shipped or $11.65 for 10 (5% discount included)
Home Depot: Danco #18 - $2.27 for 10
Advance Auto Parts: Dorman #213 - $5.44 each
Napa Auto Parts: 727-2213 - $.69 each
Lowes: #198977 - $2.27 for 10
eBay: O RING SEAL 1/8" THICK 15/16" I D - 1,3/16" O D NNB - $2 shipped

Looks like Lowes & Home Depot have the best deal.
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Coche Blanco
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mjspiess
Apr 2 2012, 02:23 PM
According to the various threads I read, here are many sources for this o-ring & current prices in no particular order:

O'Reilly Auto Parts: Part #213 - $.99 each
Amazon: Viton 75A (Pack of 2) - $8.49 shipped
Rock Auto: Dorman #64213 - $4.04 shipped or $11.65 for 10 (5% discount included)
Home Depot: Danco #18 - $2.27 for 10
Advance Auto Parts: Dorman #213 - $5.44 each
Napa Auto Parts: 727-2213 - $.69 each
Lowes: #198977 - $2.27 for 10
eBay: O RING SEAL 1/8" THICK 15/16" I D - 1,3/16" O D NNB - $2 shipped

Looks like Lowes & Home Depot have the best deal.
You know, they may have the best deal...but I'm not certain they are the right kind of rubber.
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hotrodbod
New Member
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This issue is talked about on at least 5 different postings - I know because trying to sort fact from fiction and they all helped so I thought I'd add my research to the pot. Starting at Rockauto I typed in the actual dealer part number for my 1991 Metro distributor shaft O-ring PN 96067090. This crossed over to a FelPro number 418 (for $0.55). My local parts store did not have the felpro 418 part BUT using the "INFO" button on RockAuto I came up with a whole host of interchange part numbers (including my original 96067090.) I will list all of the interchange numbers from Rock - the first (two) numbers listed are confirmed, actual part numbers from (1) GEO and (2) SUZUKI: 96067090; 33278-54E10; 10499995; 3327882010; 7700260761; 8104999950; 9009914018; 96052013; F32Z12143A; J0260761. Similar part numbers in the list may very well be alternate Geo & Suzuki numbers but I have not confirmed them. In fact, neither of the OEM part numbers crossed over to anything at my local parts store and it wasn't until I gave them the 10499995 number that something showed up. In this case the 10499995 number interchanged to a Rol Gaskets part number FP19012 (cost $1.09) and since I have the package in front of me I will list the UPC (062573709209) as well as what appears to be another couple of alternate part numbers FP-418/70015 (reminiscent of the Felpro 418 RockAuto originally came up with...) and Vict: D27228 (Maybe a Victor Reinz number??) Anyway, the name of the part on the package is for a Fuel Pump Gasket NOT a distributor gasket not that the o-ring knows the difference but I'm suspecting as a result of the fuel designation it is a Viton rubber seal. I could not confirm this easily on the Rol website and ended my research. At the same time while at the auto parts store, I had in my hand the generic SAE o-ring that many have reported success with (but that I did not trust having ran aground of this issue many years back with no satisfaction using SAE sizing) that size being ID: 15/16" OD: 1 3/16" Thickness 1/8". I can state without doubt that the sizes are in fact different and that the Rol Gaskets part number appeared to have a slightly smaller ID and OD with the thickness being very close. I suspect that my previous use of SAE sizing had that slightly larger ID and that my continued leakage was a result of that and the deformation that happens when the oversize part was compressed in the distributor base. The FP19012 did fit snugly and well and while as of this write up I haven't tested it on the car (its raining buckets) I did test fit it into a loose distributor base and it feels as a good o-ring should with no distortion so I am hoping/ anticipating that it will seal fine. If it does NOT, I will update and give a "no good" review of the Rol Gasket product though I believe the poor outcome unlikely. Also, typical O-rings found in autoparts store electrical sections or bigbox plumbing sections are likely made from Nitrile rubber (aka Buna-N) and should hold up reasonably to motor oil though probably not as well as Viton rubber. Temperature also plays a part in their longevity as well as how soft the rubber is - Buna-N usually is a "70" in softness, Viton usually a "75" but if you got the same sized o-ring but designed for high pressure applications it would likely be a "90" (a bit harder...) Hope this helps anyone else suffering this pesky and potentially voluminous leak!
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