Hye Tech Auto Repair
“This is a great place to take your car these people are honest ,friendly and treat you right 👍👍👍 …”
Best Engine Repair & Rebuild near West Covina, CA
2 of these technicians are based in West Covina; the others serve West Covina from towns including Covina (3 mi), La Puente (4 mi) and Rowland Heights (6 mi).
8 open weekends · 14 rated 4.5+
Data verified October 16, 2026
TL Motors
“Been taking my cars to them for years, they do great honest work and don't disappoint.”
Eastland Repair & Tire Center
“Had a slow leak, took it in and had it repaired within 30 minutes.”
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Raul's Auto Repair
“I had to pull off the highway for a car emergency, and the kind people at this repair shop stopped what they were doing to help me.”
Valley Mercedes Service
“Great service really Knowledgeable And prices a lot better than a dealer”
Menrad Motors
“I have been going here for over 5+ years and they always do a fair and reputable work to my cars.”
Listed for drivers in and around West Covina, CA, these 15 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: West Covina, CA
The 15 technicians on this page are rated from 4.3 to 5.0 across 1,619 reviews; 8 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "diagnosis". 8 are open on Saturdays. 3 list staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 8 websites of the technicians on this page at ten or more years old; the oldest dates from 2003. 2 offer financing; 2 give free estimates; 3 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 5 publish a contact page; 4 list a public email and 3 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?
2 of the 15 shops are in West Covina itself and the rest come from other towns within 15 mi. An engine job means leaving the car for days, so the drive happens once at each end rather than every morning.
Diesel Ground Systems INC
“Finished in about 2 hours and with a discounted rate.”
Castle Automotive Inc
“They're very communicative and always answer the phone for any questions you have.”
Prato Motorwerks
“This is the only place I take my 1975 911s”
Jmc's Auto Speed Zone
“Good, nice and cheap, very good service”
Chago the Mobile Mechanic
Imperial Tire Pros
“Art and his son really helped me out in a time of need for a tire.”
B & D Auto Repair
“Came back and they had rotated the tires and topped off the fluids...”
R & N Complete Auto Repair
“Great service at a fair price.”
Nutech Auto Repair
“My experience with Nutech Auto Repair has been excellent.”
Why these companies made our list
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