Larger Fuel Tank for Burb/YXL (gas)?

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Dewally

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Feb 18, 2022
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Does anyone offer a solution for a larger fuel tank for the Suburbans/YXL for 2015 - 2020? I was hoping to increase my tank size to at least 45 gallons.

I have done an extensive search and it appears there is plenty of support for the Trucks, but nothing for Suburbans.
 

swathdiver

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No, the government consider the fuel tank part of the emissions system so the aftermarket won't touch it anymore. The 2500s have a second tank with pump above the spare but we don't have the clearance to adopt it. There is or was a tank made that hung in place of the spare tire. 3 Wavian Jerry Cans will more simply meet your needs and not stink up the cab as they don't leak.
 

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