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Diesel tank upgrade

MEGA-HO

MEGA-HO

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I’m planning a 2021 limited longhorn mega cab 3500 srw with the Aisin high out put Cummins. Am I able to get a bigger tank then what I believe is the 31 gallon tank? I’m ok paying more for that upgrade and not doing it after market. Thanks
 
I believe if a long bed you have the option for a 50 gallon tank from the factory. I ordered a standard bed so will be having a Titan 52 gallon replacement installed. There are other manufacturers also and some long threads here about the subject. Here is one example.
 
I put the titan 50-52 gallon under my 21 megacab and then used Alfaobd to adjust the tank size so the dte reads correctly.
 
If you get the MCSB your SOL for OEM if its a CCLB you can get the 50 gal tank OEM…. Anything else would be aftermarket
 
Mega cab said:
I’m planning a 2021 limited longhorn mega cab 3500 srw with the Aisin high out put Cummins. Am I able to get a bigger tank then what I believe is the 31 gallon tank? I’m ok paying more for that upgrade and not doing it after market. Thanks
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Not an option on the Mega, is only an option for an 8' bed
Your only choice is aftermarket.
 
Aftermarket. My father had a Titan Tank unit in his 16 F350 we installed and it works great
 
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