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LCF rear axle seals same as an F-450/F-550?

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Matt Saunoras

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I need some F-550 rear axle seals and I seem to remember someone on here posting one time that the LCF seals are the same.  I cannot for the life of me find that post though.

 

Can anyone confirm?  I'm showing BRS-110 (backorder) as 450/550 and BRS-127 as LCF.  I'm looking up both for an 07 if it matters.

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If the seal number is CR 47860, then you can use kit 5C3Z 1S175 BA. The kit comes with 2 seals, 2 speedi sleeves, locktite and a speedi sleeve installer.

 

I remember the kit was from a ssm about leaking mid 2000's F450 and F550 axle seals. Last time I checked there was not much stock left in the system.

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If the seal number is CR 47860, then you can use kit 5C3Z 1S175 BA. The kit comes with 2 seals, 2 speedi sleeves, locktite and a speedi sleeve installer.

 

I remember the kit was from a ssm about leaking mid 2000's F450 and F550 axle seals. Last time I checked there was not much stock left in the system.

Some technical info here:

 

http://www.northerndrivetrain.com/product/SPI-47860.html

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  • 7 months later...

I forgot to quote axle seals on the last rear brake job I did on an F-550 so I took a chance and put in the much cheaper BRS-127.  Worked just fine, we'll see how it holds up.

 

BRS-110 = 5C3Z-1S175-GA cost is $39.45, list $65.75ea

 

BRS-127 = 6E7Z-1177-AA cost is $14.68, list $24.47ea

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  • 2 months later...

I am going to try and use 5C3Z 1S175 BA seal kit to repair the seal surface on a Dana 80(606778-12). This axle has the bigger hubs and uses the BRS-110 seals. Ford has a TSB 05-12-4 and so does Dana S110 Spedi Sleeve Bulletin.pdf on repairing a S110 axle with this kit.

 

  Has anyone used or know if this kit will work on a Dana 80?

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So that kit will work on a Dana 80

kit.jpg installed.jpg

 

Speedi Sleeve is .829 high, seal surface is .75 of that height. Notice how the sleeve starts right after the taper.

 

On a side note I am putting a pinion seal in a 08' S110 and I ordered the nut(130542) and seal(127591) from Spicer. Ford wanted almost $70.00 just for the nut. I also ordered this seal driver http://www.drivetrainamerica.com/p-14155-217414-eaton-spicer-seal-install-kit.aspx to install the pinion seal, it worked great. The kit came with a 126917(pinion seal installer) and a 128706

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I didn't find it found me :lol: I don't remember if it had 10 lug nuts but I don't think so. I know there was 10 rear rotor to hub bolts. This is for a long time customer, I had told them that I didn't want to do any work on this truck that requires it to be hoisted since it weights 11,700. Well the shop that was doing the stuff that required a hoist changed hands, so guess who was dumb enough to say "well if you can't find anyone else I guess I will do it" :banghead:

 

I have one 12k hoist so I did it on the floor. I really don't think my next hoist will be any bigger since I dislike heavy truck work, I get tried just handling the tools :)

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