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Anyone using the range disabler on a 21 5.3 6 speed? On the site it says compatible with the 8 but says nothing available for the 6 speed.
I’ve seen the pulsar one but it is quite a bit more and I’m only really looking for the afm disable. 

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  • 3 months later...

I have a 2020 Sierra 1500, 5.3, 6 speed, and it works fine...I would think a 2021 would be exactly the same.  I used it to disable AFM, like you want to do.

 

Part number I used is:  RA003R

Edited by ls5454ss
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1 hour ago, ls5454ss said:

I have a 2020 Sierra 1500, 5.3, 6 speed, and it works fine...I would think a 2021 would be exactly the same.  I used it to disable AFM, like you want to do.

 

Part number I used is:  RA003R

I ended up purchasing the range and taking a chance. So far no issues. 

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25 minutes ago, Josh42089 said:

I ended up purchasing the range and taking a chance. So far no issues. 

 

Awesome - glad it also worked out for you!

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