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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Which Diff?

   
Old Sep 26, 2011 | 10:12 PM
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Which Diff?
I have a 2004 F-350 Lariat 6spd Manual Trans Single Wheel.....Which rear diff do i have?


Thanks!

Wade
 
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Old Sep 26, 2011 | 11:24 PM
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You most likely have 3.73's
 
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Old Sep 26, 2011 | 11:30 PM
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Check the tag on the rear diff cover (if the tag is still there). Or check the VIN for the axle code.
 
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Old Sep 27, 2011 | 04:52 AM
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All single tire rearends have 3.73 ratio. Duel tire rearends have 4.10 ratio.
 
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