differential identification
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New User
Joined: Nov 2002
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From: greenville usa
differential identification
I am trying to find specifications and parts for a differential. the tag top row is S319D and the bottom row is 3L5095A24. It has 3.50 gear and 31 spline. Any info would be helpful.
Elder User
Joined: Nov 2002
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From: State College, Tunkhannoc
differential identification
from the bottom row you can read 3.50 limited slip, that's all i know about the code. what year and model truck do you have and what kind of information are you looking for?
chris
chris
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New User
Joined: Nov 2002
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From: greenville usa
differential identification
Thanks for the reply Chris. I was trying to ID the differential to get repair parts. I needed the carrier (the part the ring gear is attached to. Finally found one ($$$!). This differential is a limited slip version with 4 pinion gears driving the axles. probably would have been cheaper to buy a good used limited slip or traction lock differential. The differential is in a 1985 Bronco. this is not the original differential. The previous owner installed this after replacing the original engine with a 1970 429 with a holly 4 barrel and MSD ignition. Thanks again for your reply.
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Joined: Mar 2001
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differential identification
Looks to me like a 9" Ford 3.50 ratio with a trac-loc carrier (unless someone has changed ratio or carrier).
Parts availability for the 9" are endless in the aftermarket world. I installed a Auburn Pro series carrier in my 1979 F-150 about eight years ago when I rebuilt it.
There are many different combinations on axle bearings for the 9". Be cautious when ordering new ones. The later model in trucks commonly used the taper cone & cup style (BCA# A20 & National seal# 3195).
Also, many different pinion yokes. You will need all the numbers off of the tag if you are trying to order a new yoke thre Ford. Some of the yokes have been obsoleted; however, find one that is the same height & utilize a different conversion u-joint @ the diff.
Parts availability for the 9" are endless in the aftermarket world. I installed a Auburn Pro series carrier in my 1979 F-150 about eight years ago when I rebuilt it.
There are many different combinations on axle bearings for the 9". Be cautious when ordering new ones. The later model in trucks commonly used the taper cone & cup style (BCA# A20 & National seal# 3195).
Also, many different pinion yokes. You will need all the numbers off of the tag if you are trying to order a new yoke thre Ford. Some of the yokes have been obsoleted; however, find one that is the same height & utilize a different conversion u-joint @ the diff.
differential identification
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ALL BOY
Clutch, Transmission, Differential, Axle & Transfer Case
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Jan 8, 2006 04:39 PM
