About Western Differential

Western Differential Experience Means Your Job is Done Right

Western Differential, a division of Moeller Enterprises LLC., began its origin as a high performance custom engine and speed shop in Tucson back in 1973, and has remained a family owned and operated differential and custom shop. Our background and extensive experience includes over 40 years with personal involvement in engine building, drag racing, street rods, pro fuel cars, pro off-road trucks, and custom 4WD off-road vehicles. We have the expertise to build the right custom differential and other components to suit your personal needs and horse power to get the job done! We have been at our location on Kleindale in Tucson since 1985. We have 6,200 square feet that house the store, office, parts warehouse and work areas.

3825 E Kleindale Rd Tucson, AZ 85716 • (520) 327-1747

 Western Differential is selling and installing American made differential parts wherever possible because

American made products support America!

We believe in person to person contact and look forward to hearing from you to answer any questions you may have.
We work with the care and professionalism that you can trust. Our knowledgeable staff is ready to help you with parts, service and advice.

So call, come in or email Western Differential to get started!!!!!

Voted as an All-Star Shop in Four Wheeler Magazine in November 2003

Owner: Nate Moeller

Previous Owner: Mark Bybee