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Old Apr 15, 2025 | 01:44 PM
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Rear Diff

So I have a 2013 f150 with the 6.2 engine it has a 9.75 rear axle with 3.55 gears and I found a replacement out of a eco boost f150 with the same gear ratio I’ve been told it won’t work in my truck with the 6.2 any help would be highly appreciated
 
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Old Apr 15, 2025 | 01:57 PM
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From: White Bear Lake
Is the one from the Ecoboost a 9.75?
 
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Old Apr 15, 2025 | 02:00 PM
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Yes it is
 
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Old Apr 15, 2025 | 02:51 PM
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I don't see any issues with a new differential from a truck with the same ratio and axle... 9.75 from the same generation should cross over. Engine shouldn't matter.
 
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Old Apr 15, 2025 | 02:54 PM
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From: White Bear Lake
I would think it would work as well as long as it's of the same generation.
 
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Old Apr 15, 2025 | 04:32 PM
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Also depends if it's electronic locking or not. If one is and one isn't, the computer control won't work properly.
 
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Old Apr 15, 2025 | 04:34 PM
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They are both locking
 
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Old Apr 16, 2025 | 08:06 AM
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From: White Bear Lake
Originally Posted by Stokley26
They are both locking
I don't suppose you have the tag numbers off the axles?
 
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