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Rear end size

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Old Sep 29, 2021 | 07:25 PM
  #1  
Heatherrmott's Avatar
Heatherrmott
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From: Molalla Oregon
Rear end size

Hello I'm in need for some help. I have a 99 F250 XLT super duty 7.3 4x4.
I'm trying to figure out what rear end I have I've got.
so if someone can help me. I appreciate any help any of you are able to give.
Thank you,
Heather
 
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Old Sep 30, 2021 | 10:41 AM
  #2  
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Heatherrmott
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From: Molalla Oregon
Rearend aize

Found these numbers I'd they help ar all
8219.
F81W - M
S - 409 - C - 3L73 - 10 - 5 - 8H14
thank you,
Heather 12th
 
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Old Sep 30, 2021 | 06:48 PM
  #3  
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If I recall correctly you've got the sterling 10.5.
 
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Old Sep 30, 2021 | 07:01 PM
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River Wild is right and it has a limited slip 3.73 ratio
If I remember right that is what the 3L73 means
 
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