What Rear differential do I have?
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What Rear differential do I have?
I just bought this 2001 Ford F250 4x4 Lariat with the 7.3 PSD on Wednesday. The rear axle tag reads:
S 409 H
L 73 10 5 1B1G
Could somebody break this code down for me? Basically, I'm looking to find what Dana number it is, whether it is open or limited slip, and the gear ratio. Any other info you provide is welcome too. Thanks.
Don "Hammer" Moody
S 409 H
L 73 10 5 1B1G
Could somebody break this code down for me? Basically, I'm looking to find what Dana number it is, whether it is open or limited slip, and the gear ratio. Any other info you provide is welcome too. Thanks.
Don "Hammer" Moody
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Joined: Apr 2003
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If its still got the door jam sticker..
From the FAQs at the top
http://www.clubfte.com/users/monsta/AxlecodesV1.htm
From the FAQs at the top
http://www.clubfte.com/users/monsta/AxlecodesV1.htm
Posting Guru
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From: Allen, Tx
The tag should be:
3S 409H
3L 73 10 5 1B16
3S is the Sterling Heights, Michigan Visteon (formerly Sterling) plant.
409H is the axle model and revision
3L 73 is a 3.73 ratio with Limited Slip
10 5 is 10.5" ring gear diameter
1B16 is the manufacturing date code for February 16th 2001.
3S 409H
3L 73 10 5 1B16
3S is the Sterling Heights, Michigan Visteon (formerly Sterling) plant.
409H is the axle model and revision
3L 73 is a 3.73 ratio with Limited Slip
10 5 is 10.5" ring gear diameter
1B16 is the manufacturing date code for February 16th 2001.
Posting Guru
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From: Allen, Tx
It's an excellent rear axle. (full floater too.) It's about the equivalent to a Dana 70HD. The F350 duallies anf F450's have a Dana 80 (11.25" ring gear) and the F550's have a Dana S135 (14.38" ring gear). All good stuff.
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