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Lupe's Auto
- Truck
- Check Engine Light
- Honest
“I took the car for a spin I had a doctor's appointment today went down the freeway car seems to have more power everything is fine very happy you guy's did a fantastic job thank you”
Radiator Repair in Ontario, CA
24 technicians listed · 23 in Ontario · 19 open weekends · 23 rated 4.5+ · 1 shows a license
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Wayne's Automotive
- Diagnosis
- Job
- Mechanic
“Our Honda CRV was due it's 40,000 mile service and Wayne's was able to preform all required repairs in a timely manner and within the dealers guidelines.”
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Brian's Automotive Repair
- Engine Light
- Cost
- Vehicle
“I brought my 2014 Toyota Sienna into Brian's after receiving a disturbing estimate from our now former Toyota Dealership for some repairs needed and with an extremely high estimate.”
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Tap Automotive
- Quality
- Mechanic
- Company
“The Best customer service ever, and they always go an extra step to make me happy with their service, I take all my cars to them, Mercedes, infiniti, Nissan Van, Sprinter and Isuzu Box Truck they are all on the road because of Tap Automotive”
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C & C Automotive
“I have been driving my cars for years, they change quality parts, the trained mechanics speak the truth and their work says so, there is security and trust 👍👍👍👍👍 …”
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L & R Auto Repair
“Took my BMW 328i to get worked on, needed new Coolant Recovery Tank & oil change and this place has always been profesional, on time and very communicative.”
Area overview: Ontario, CA
Of the 24 technicians we list here, 23 are in Ontario itself and 1 comes from Rancho Cucamonga (6 mi). The technicians on this page are rated from 4.3 to 5.0 across 1,469 reviews; 8 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (91%), quality (83%) and value (83%). The topics that come up most in reviews of the technicians on this page are "honest" and "communication". 19 are open on Saturdays. 1 shows a license on its website and 10 have a BBB rating of A or A+. 15 have ten or more years of experience, the longest 75 years. 2 list coupons or special offers. We have a website on file for 11 of the technicians on this page; 3 publish a contact page 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.
Data verified October 9, 2026
Listed for drivers in and around Ontario, CA, these 24 shops repair and replace radiators and cooling system parts. What each one says about recoring, warranties and truck work comes from its own website; ratings and quotes come from public reviews.
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A-1 Radiator & Air Conditioning
- Job
- Classic Car
- Price
“I took my suburban for repair the staff was very professional and helpful thanks I am very happy with the results I would take any of my cars there thanks again!!!!!”
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Menas Brake & Suspension
- Prices
- Name
- Mechanic
“I have been a client at this shop for over 20 Years the are reliable and trustworthy, I have recommended this place to friends and family and they are real happy with the services and affordable prices !!”
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DT Hondamotive and Transmission
- Mechanic
- Price
“I came in with a transmission issue on my Integra GSR that I nor other shops could solve, they figured out the issue very quickly and fixed the car in one day.”
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Tune-Ups Inc
“Needed a Torque mount replacement,talking to other mechanics in the area,they asked me to leave my car there at the shop for either a whole day or even over night..”
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Sergeo's Garage
“Good place honest too.”
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Baja Auto Center Smog & Lamp
“We have been loyal customers and have referred many friends and family to Baja Automotive, everyone has been pleased with the pricing and quality of their work.”
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Motorinn Genuine Auto Care LLC
- Cost
“I know they are new to this area but I recommend them because they are friendly and most importantly they provide good service and are very honest 🤩 …”
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Ontario Japan Auto
- Oil
- Engine
- Modified
“I was quoted at $1200 at another shop ds park plugs, wires and ignition coils, then came here and had it done for $260 and it was completed the same day.”
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Top Garage Automotive
- Prius
- Honest
- Price
“I will go back and recommend this auto repair shop.”
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I.E Automotive
- Price
“I spoke to Ricardo about my coolant issues I explained to him what was going on with my car and how much it was going to be, he gave me the quote and I said OK.”
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RC Auto Repair
- Job
- Mechanic
- Prices
“Rc Auto Concept made my fear of little shops go away they gave me the best customer service and honest work hands down I would definitely recommend you too trust these guys whether it's a small , big , or custom job make no mistake Rc is the best in ...”
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Pomona Auto Care
- Price
“Ed the helper is awesome”
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Henry's Radiator Services
- Price
“Great prices, saved $50 over almost every other place.”
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Norman's Auto Repair
- Honest
- Mechanics
“Better than his neighbor Castro.”
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Mobil Auto Service
“Highly recommended”
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P & F Complete Auto Repair
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M.d.o. Auto Repair & Towing
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Reliable Smog Saint Anthony Complete Auto Care
“Helpful and very friendly workers and from the name of the business it speaks clearly their the best The word trust keeping me stay with this shop and proud recommending to my friends and family.”
Radiator Repair and Replacement Services in Ontario, CA Cost Estimates
Minimum cost
$122
Maximum cost
$1091
National Average
$334
$364
$546
Average price range is based on 437 cost profiles
Why these companies made our list
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FAQ
Are the longer-established listed shops a safer bet?
15 of the 24 shops here have been trading ten years or more. Radiator work rewards that, since the places that still recore and pressure test in house tend to be long-established and often run commercial vehicle work alongside cars.