Best Truck Repair in Union, NJ
24 mechanics listed · 13 in Union · 20 open weekends · 20 rated 4.5+
Data verified October 16, 2026
Union Auto Service
Belford Auto Medix
Clarke's Auto Repair
Legacy Mechanics
SK Auto Repair
Listed for drivers in and around Union, NJ, these 24 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.

Area overview: Union, NJ
Of the 24 mechanics we list here, 13 are in Union itself and 11 come from towns including Union City (8, 13 mi), Belleville (1, 9 mi) and Brooklyn, NY (1, 17 mi). The mechanics on this page are rated from 4.0 to 5.0 across 1,255 reviews; 10 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise quality (95%), professionalism (90%) and value (85%). The topics that come up most in reviews of the mechanics on this page are "fair" and "honest". 20 are open on Saturdays. 3 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 107 years. 1 offers financing and 1 is family- or locally-owned. We have a website on file for 6 of the mechanics on this page; 3 publish a contact page and 4 list a public email. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Which truck shops listed for Union work on Saturdays or Sundays?
20 of the 24 shops on this page run a weekend shift. Weekend slots are how a lot of fleets get preventive maintenance done without losing a working day, so they book out early. Parts counters keep shorter hours, which is the usual reason a Saturday job waits until Monday.