JBS Auto Service
“Chris and the guys were great my 03 runs like a 23”
Best Engine Repair & Rebuild in Simi Valley, CA
15 technicians listed · 14 in Simi Valley · 2 open weekends · 13 rated 4.5+ · 3 show a license
Data verified October 16, 2026
Bj's Automotive
“You never have to worry about getting ripped off or up sold on repairs that don't need to be done.”
Powerhouse Performance
“Their team installed a new clutch in my dads Cummins and did a full suspension and brake overhaul on my moms Cummins.”
Schneider's Automotive
“Ultimately, there was some work we did NOT do because they felt it would be a waste of my money.”
Bill's Quality Auto Care
“They go the extra mile and do little things to help and give you a good experience.”
A & D Automotive Inc
“He always takes good care of me when I come in A&D is the only place I trust with my car.”
Listed for drivers in and around Simi Valley, 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: Simi Valley, CA
14 of the 15 technicians we list are based in Simi Valley; the other one serves Simi Valley from Northridge (12 mi). The technicians on this page are rated from 4.0 to 5.0 across 2,396 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 2 are open on Saturdays. The services the technicians on this page list most often on their websites are brake repair (2), clutch repair (2) and transmission repair (2). 3 show a license on their websites; 2 list staff certifications (ASE) and 6 have a BBB rating of A or A+. Domain records put 12 websites of the technicians on this page at ten or more years old; the oldest dates from 2000. 3 offer financing and 7 list coupons or special offers. We have a website on file for 14 of the technicians on this page; 11 publish a contact page; 3 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.
Do engine shops listed for Simi Valley let me spread the cost?
3 of the 15 shops on this page state that they offer financing. An engine is the repair people borrow for, so compare what the credit costs against what a different car would cost you, and get the repair quote in writing first.
German Auto Specialist
“They give you a free check up to see what's wrong with your vehicle and then they fix it.”
Jag-Land
“Transmission was received on time, in great condition & with terrific communication.”
Todd's Car Connection
“Cool guys, they have the ability to take payments via zelle so it saved me time.”
Mike Willard Automotive
“I went there to ask about a friend's car that needed work that had been sitting for over 20yrs, they answered all my questions and and explained there process, me being an automechnic for over 30yrs, my first impression with them was A+”
Pacific Continental Engines
Mullenix Racing Engines
“They offer expert advice so you know you're getting the right part on time and for a great price.”
A&B Performance Driving Experience
“Extremely knowledgeable with all aspects of repair, setup, and fabrication.”
Stevies Garage
Fox Tire & Auto
“Took amazing care of my Juke, the whole team is lovely and has great communication through long repair processes.”
Why these companies made our list
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