Allen-Jac Corp.

Welcome to Allen-Jac aluminum fuel tanks

Custom built aluminum diesel fuel tanks for Peterbilt, Kenworth, Frieghtliner and more!

About Us

Call for free quote!

Allen-Jac offers the highest quality aluminum tanks at the best price. 

Call for free quote!

Allen-Jac offers the highest quality aluminum tanks at the best price. 

more services

We do more then just build custom fuel tanks.  we provide the best aluminum, stainless, and mild steel welding In Sonoma County 

more services

We do more then just build custom fuel tanks.  we provide the best aluminum, stainless, and mild steel welding In Sonoma County 

MADE IN THE U.S.A.


MADE IN THE U.S.A.


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Drop us a line!

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Allen-Jac Corp.

10611 Old Rewdwood Hwy., Windsor, CA 95492, us

(707) 975-2503

Hours

Monday - Friday: 9am - 5pm

Saturday: By appointment

Sunday: Closed