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AJ's Auto Diesel Technologies

2323 Old Hardin Road
Billings MT, 59101
Tel. (406) 545-7325
Fax. (904) 282-7445


Location Hours

Monday - Friday: 8:00 AM to 5:00 PM
Saturday: Closed
Sunday: Closed




ASE Certified

ASE Certified Technicians

24 Month, 24,000 Miles Nationwide Warranty

Nationwide Warranty