Fontana Radiator Services
“Finding a real radiator shop that makes stuff not just one that sells Chinese junk is hard to find in these times.”
Best Radiator Repair in Fontana, CA
15 technicians listed · 12 in Fontana · 13 open weekends · 13 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Pacific Radiators Services
“We've been working with Sergio for years always takes care of our Fleet.”
J & S Auto Center & Smog
“In less than 2 hours George had completed numerous parts changes an oil change and even drained and put new coolant in my vehicle.”
John's Auto Repair
“I don't just recommend him, I highly recommend him, and if you're reading this John, thank you for going out of your way to help me.”
California Auto Repair
“The mechanic here was very honest with me about a ton of reported errors and expressed to me that he wouldn't fix them all until we fix one or two he felt was the cause of all the issues.”
Williams Independent Auto Repair & Smog
“They are really nice and keep checking what the issue is until they finally found the issue and I passed the smog.”
Listed for drivers in and around Fontana, CA, these 15 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.
Area overview: Fontana, CA
Of the 15 technicians we list here, 12 are in Fontana itself and 3 come from Rancho Cucamonga (1, 6 mi), San Bernardino (1, 10 mi) and Riverside (1, 12 mi). The technicians on this page are rated from 4.0 to 4.9 across 861 reviews; 8 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (86%), value (81%) and quality (71%). 13 are open on Saturdays. 1 shows a license on its website; 2 list staff certifications (ASE) and 4 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 66 years. 1 offers financing; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 6 of the technicians on this page; 4 publish a contact page; 1 lists 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.
Are the longer-established listed shops a safer bet?
9 of the 15 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.
Center Radiator
“Manuel truly went above and beyond, I bought a battery previously and he offered to put it in for me along with replacing my air filter at no extra cost!!”
E & S Auto Repair
“The best mechanic and tire shop , great tires and great price , no appointment need it , very fast .”
SG Mechanics Auto Shop Repair
“Great service , honest and very affordable!”
D&G Complete Auto Repair
“The service is good nearly great and at reasonable cost for labor and they get the best part to their ability and the job is done best to thier ability as well.”
De La Torre Transmissions
“People person really good work for the price....”
Auto Stop
Reliable Smog Saint Anthony Complete Auto Care
“Great experience, they are so helpful and really want to solve your problem.”
GT Pit Stop Automotive Services
“I thought I had a million and one problems and turns out I just needed a new battery!”
Felix Automotive Inc
“Had a problem with those pesky idiot-lights (ck engine lights) they were able replace emmision device.”
Why these companies made our list
What customers say about technicians in and near Fontana
- “Great service and honest people I had a pleasure of getting my radiator replaced with these gentleman, and it was done quickly and professionally.” — customer of Center Radiator
- “They do great work, nice family business. They have done 3 radiators for me and all have been great.” — customer of Fontana Radiator Services
- “I highly recommend bringing your vehicle here! My vehicle had been having overheating issues, these guys were able to diagnose the issue very quick, and also kept communication with me through the process, which I greatly appreciated, because not many businesses do.” — customer of GT Pit Stop Automotive Services
Excerpts from public reviews of the technicians listed on this page.
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