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Ray and Sons Auto Repair
- Mechanic
- Oil
- Vehicles
“I really struggle trusting anyone when fixing a vehicle because I have such pitifully poor experience and knowledge about them but Ray is a really good guy.”
Best Engine Repair & Rebuild in Rialto, CA
24 technicians listed · 11 in Rialto · 1 open 24/7 · 17 open weekends · 15 rated 4.5+
Data verified October 16, 2026
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Jack's Diesel Repair
“Just recently went to this shop for the first time because I was referred through a friend and this is now the only shop I will be going too for any work done on my truck.”
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P & G Auto Parts & Machineshop
- Transmission
- Work
- Job
“I cleaned this off as it isn't that big a deal and not enough to knock off a star, but would be nice to have the grease cleaned off or have the mechanics wear gloves in the car.”
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Manuel's Auto Repair
- Mechanic
- 2013
- Cost
“I have a 2013 Hyundai Veloster and he's helped me fix my steering wheel coupler, trunk button, front bumper lip, and now my crankshaft position sensor.”
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Rialto C .G Electronic and Mechanic Repair
- Honesty
- Work
- Integrity
“This gem of a business offers a rare combination of top-notch service, affordable prices, and a team of genuinely honest and knowledgeable professionals.”
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Mobile Mechanic
- Fair
- Truck
- Text
“Fair pricing, quick and efficient.”
Listed for drivers in and around Rialto, CA, these 24 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: Rialto, CA
11 of the 24 technicians we list are based in Rialto; the other 13 serve Rialto from towns including Riverside (12 mi), Fontana (4 mi) and Rancho Cucamonga (10 mi). The technicians on this page are rated from 4.1 to 5.0 across 3,199 reviews; 15 have 50 or more reviews and 15 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "warranty". 1 is open around the clock; 17 are open on Saturdays and 3 on Sundays. 2 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 77 years. 1 offers emergency or roadside call-outs; 7 offer financing; 1 gives free estimates; 6 are family- or locally-owned and 9 list coupons or special offers. We have a website on file for 14 of the technicians on this page; 11 publish a contact page; 2 list a public email and 5 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 Rialto let me spread the cost?
7 of the 24 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.
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Gd Cylinder Head & Auto Repair
- Vehicle
- Quote
- Price
“One of the best and honest mechanic in rialto”
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Monkeys Truck Diesel Repair
“Good repair job, good price.”
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Diesel Brothers Engine Repair
“Worth to make a trip cross the country”
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Ems Road Service
“Really nice service and fast and good prices”
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Nick Johnson Performance
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Jim's Auto Repair
- Truck
- Work
- Mechanic
“As a customer at Jim's Auto Repair for the past 12 years my late wife Jennifer and I have nothing but good things to say about the service which is always timely and performed in the spirit of excellence.”
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Brake Masters
- Warranty
- Job
- Respectful
“Great shop I've taken all my high end cars here for axle replacements and there pushing well into the 1000hp range my c6 corvette Zo6 replace both axles in 1 day ..”
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Protrans Automotive
- Estimate
- Warranty
- Towed
“From the first phone call with Corey to schedule an appointment to working with Jeff and Michael to get the issue resolved before returning home to Arizona!”
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Rubidoux Tire and Brake
“Had my car maintenence here various times and every time they take care of me and my car they are a great team thanks again ,definitely would recommend”
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Padilla Tire
“Thank you to the man that helped us on Saturday we were on our way to a wedding and had gotten a screw in the tire he fixed it so quickly and we were able to make it thanks again”
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Bolger Bros Auto Repair
- Quality
- Smog
- Vehicle
“They also sometimes find other things going on with your car while doing a repair which it's nice to catch other maintenance/repairs before the parts fail completely..”
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Mobile Mechanic Pros Rancho Cucamonga
- Transmission
- BMW
- Efficiency
“What impressed me most was his efficiency – within minutes, he had the old battery out and the new one installed, ensuring everything was working perfectly before he left.”
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GT Pit Stop Automotive Services
- Vehicle
- Communication
- Honesty
“I love this place and the owner Carlos is very friendly and helpful and the staff are also friendly and helpful great customer service and excellent work on my cars”
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Rapid Diesel Repair
- f250
- Company
- Inspection
“Rapid diesel is a great business, I have a 26ft long box truck they got us in and out in no time and I got a free shirt overall Rapid Diesel Repair provided a great service”
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Magnuson Tire & Auto
- Truck
- Tires
- Mechanic
“Magnuson was the closest shop so I went there (didn't want to drive far on those tires) and they were able to get me some nice Toyo tires ordered and installed the same day!”
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IG Diego Engine and Transmission Rebuilders Inc.
“I had an engine rebuilt and there was an issue but the guys shine through practice good business with a good work ethic took responsibility work with me and everything worked out well they proved to be a class act I would take my business to them aga...”
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Aamco Transmissions & Total Car Care
- Engine
- Job
- Questions
“They did great on my Transmission, it had a slipping issue and they diagnosed it right away and Michael was very informative and worked with me on the financial to make the repair.”
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S & S Inland Star Mercedes and BMW Specialist
- Import
- Vehicle
- Job
“Scotty and Inland Star always delivers the best quality service, friendly and helpful, always excellent in terms of time; and they stand behind their work!”
Engine Repair Services in Rialto, CA Cost Estimates
Minimum cost
$701
Maximum cost
$5254
National Average
$2102
Avg Per Hour Rates
$103
$1810
$2919
Typical price range is based on 402 cost profiles
Why these companies made our list
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