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Diesel tank upgrade

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
 

Will_T

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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.
 

camaroz2866

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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.
 

H3LZSN1P3R

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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
 

John Jensen

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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
Not an option on the Mega, is only an option for an 8' bed
Your only choice is aftermarket.
 

jetrinka

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Aftermarket. My father had a Titan Tank unit in his 16 F350 we installed and it works great
 

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