Rear diff
#1
Rear diff
Hello I have 02 fx4 crew, rear diff needs changing. My question is I know where there's a 2004 fx4 super crew both trucks are 3.55 gears with 5.4l . Will they interchange? Thanks
Cam
Cam
#6
Senior Member
They never made a FX4 Supercrew Heritage in 04. The Heritage was only a Single Cab or Supercab.
With that being said NO the rearend out of that 04 will not bolt into your 02.
The shock locations are totally different. Bolt pattern is different.
Just a FYI, a rearend out of a 99-03(or 04 Heritage) will bolt in your 02. Doesn't matter if it's a 8.8 or 9.75, there interchangeable. Another FYI is regardless if its 2WD or 4WD the 4.2L and 4.6L had 8.8 rearends and the 5.4L had 9.75.
Wayne
With that being said NO the rearend out of that 04 will not bolt into your 02.
The shock locations are totally different. Bolt pattern is different.
Just a FYI, a rearend out of a 99-03(or 04 Heritage) will bolt in your 02. Doesn't matter if it's a 8.8 or 9.75, there interchangeable. Another FYI is regardless if its 2WD or 4WD the 4.2L and 4.6L had 8.8 rearends and the 5.4L had 9.75.
Wayne
Last edited by Z7What; 11-09-2015 at 07:08 AM.
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#8
F150 Manic
They never made a FX4 Supercrew Heritage in 04. The Heritage was only a Single Cab or Supercab. With that being said NO the rearend out of that 04 will not bolt into your 02. The shock locations are totally different. Bolt pattern is different. Just a FYI, a rearend out of a 99-03(or 04 Heritage) will bolt in your 02. Doesn't matter if it's a 8.8 or 9.75, there interchangeable. Another FYI is regardless if its 2WD or 4WD the 4.2L and 4.6L had 8.8 rearends and the 5.4L had 9.75. Wayne
#10
Senior Member
And if they were ever able to show proof I'd be willing to bet that they weren't the original owner to know if it was changed.
A 9.75" in all Supercrews is also NOT true.
A friends 2002 4.6L Supercrew
Wayne
Last edited by Z7What; 11-09-2015 at 11:38 AM.
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