Best Transmission Repair Shops in Union, NJ
15 mechanics listed · 12 in Union · 13 open weekends · 12 rated 4.5+
Data verified October 16, 2026
Union Auto Service
Clarke's Auto Repair
Legacy Mechanics
Belford Auto Medix
Summit Transmission
Listed for drivers in and around Union, NJ, these 15 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.

Area overview: Union, NJ
Of the 15 mechanics we list here, 12 are in Union itself and 3 come from Union City (2, 13 mi) and Rutherford (1, 13 mi). The mechanics on this page are rated from 4.3 to 5.0 across 1,196 reviews; 8 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "fair" and "quality". 13 are open on Saturdays and 1 on Sundays. 2 have a BBB rating of A or A+. Domain records put 2 websites of the mechanics on this page at ten or more years old; the oldest dates from 2009. 1 offers financing and 1 lists coupons or special offers. We have a website on file for 7 of the mechanics on this page; 4 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.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 9 of the 15 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.



