Request an Appointment



Keeping Your Diesel Pickup and SUV Exhaust Clean: It’s as Easy as abc…DEF!

Diesel exhaust

As you’re probably aware, the latest model diesel automobile engines run just as clean, or cleaner, than their gasoline counterparts. And for this, you can thank your trusty blue-capped tank of  DEF . Now DEF stands for…Diesel Exhaust Fuel. DEF is a non-toxic solution – de-ionized water with 32.5% urea, to be exact – that […]

Read More

Contact Allegiance Automotive

Phone: 303-938-9454


Address: 4939 Broadway Street #60
Boulder, CO 80304

Hours: M-F: 7:30 am – 5:00 pm
Closed Saturday and Sunday