Best Engine Repair & Rebuild near Wausau, WI
2 of these technicians are based in Wausau; the others serve Wausau from towns including Weston (5 mi), Antigo (16 mi) and Schofield (4 mi).
1 open 24/7 · 2 open weekends · 9 rated 4.5+
Data verified October 23, 2026
West Side Auto
Jay's Auto Repair
K&S Fuel Injection and Service Center
Chuck & Kris's Auto Repair LLC
Zahrt Implement & Services Inc
Listed for drivers in and around Wausau, WI, these 10 shops repair, rebuild and replace engines. What each one says about machine work, warranty terms and the engines it supplies comes from its own website; ratings and quotes come from public reviews.

Area overview: Wausau, WI
The 10 technicians on this page are rated from 4.0 to 5.0 across 831 reviews; 6 have 50 or more reviews and 9 are rated 4.5 or higher. 1 is open around the clock; 2 are open on Saturdays and 1 on Sundays. 1 lists staff certifications (ASE) and 1 has a BBB rating of A or A+. Domain records put 7 websites of the technicians on this page at ten or more years old; the oldest dates from 2000. 1 offers emergency or roadside call-outs; 1 offers financing; 4 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 8 publish a contact page; 3 list a public email and 1 takes bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Why do some listings show another city?
2 of the 10 shops are in Wausau itself and the rest come from other towns within 30 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.