Auto Authority LLC
“These guys are genuine and truthful, owners and managers were willing to take time and have a thorough conversation with me and to meet my needs.”
Best Engine Repair & Rebuild in Oshkosh, WI
10 technicians listed · 6 in Oshkosh · 7 rated 4.5+
Data verified October 20, 2026
Kenny's Auto Repair & Service
“They were very cool about me having had DIY work done on the vehicle and took the time to show me the part that was giving me trouble and explain the problems it was creating.”
DC Dynamics Auto Repair
“I found that I was still having issues after the requested repairs, which they made right without additional charges.”
Arden's Automotive Hospital LLC
“Very pleased with the repair that he did on my power steering.”
Lake-Aire Auto Service Inc
“All of their techs are top tier and pricing is fair for the quality work they perform.”
Classic Engine Company
“He gave me great advice on how to spec the engine, which to this day, I have truly appreciated.”
Listed for drivers in and around Oshkosh, 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: Oshkosh, WI
6 of the 10 technicians we list are based in Oshkosh; the other 4 serve Oshkosh from towns including Omro (9 mi), Neenah (14 mi) and Menasha (15 mi). The technicians on this page are rated from 4.2 to 5.0 across 974 reviews; 4 have 50 or more reviews and 7 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "communication" and "fair". 2 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 67 years. 1 offers financing; 2 are family- or locally-owned and 2 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 2 take 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?
6 of the 10 shops are in Oshkosh itself and the rest come from other towns within 20 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Competition Specialists Inc
“I'm sure he does more but if you want an engine for yourself or others I would check this man out he's got some knowledge”
Valley Truck Leasing Neenah
“Great experience, also with multiple locations pickup and drop off is covienient as well.”
Engines Limited
“I took my block to Randy he sent it out to be machine the machine shop broke my block Randy paid for a replacement block and machine it Thanks again Randy”
Niemuth Diesel
“I highly recommend Niemuth Diesel for anything Dodge or diesel in general”
Why these companies made our list
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