Space25 Automotive Care
“This shop has the knowledge and professional technicians that know how to work on all Euro vehicles!”
Best Radiator Repair in Rialto, CA
15 technicians listed · 11 in Rialto · 9 open weekends · 9 rated 4.5+
Data verified October 16, 2026
Inland Jeep
“I am very satisfied and I would definitely recommend them to anyone looking for the best place to take their jeep.”
P & G Auto Parts & Machineshop
“If you're looking for a honest trustworthy mechanic P&G is the only way to go!!!”
GST Auto Service Technicians
“Steven and Cindy took really good care of me, I was in/out within an hour.”
Bob's Auto Services
“Gary knows what he's doing and he is Honest.”
Classified Complete Auto Rpr
“Had the car towed to Mario at his shop and he was willing to wait late hours to make sure my new battery was installed and hood latch was replaced.”
Listed for drivers in and around Rialto, 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: Rialto, CA
Of the 15 technicians we list here, 11 are in Rialto itself and 4 come from Fontana (2, 4 mi) and San Bernardino (2, 6 mi). The technicians on this page are rated from 4.0 to 4.8 across 1,378 reviews; 7 have 50 or more reviews and 9 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price" and "quality". 8 are open on Saturdays and 2 on Sundays. 1 lists staff certifications (ASE) and 6 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 66 years. 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 5 of the technicians on this page; 5 publish a contact page; 1 lists a public email and 1 takes 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?
11 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.
GND Auto Repair
“I have taken all my cars here and the management and staff is friendly, fast, efficient, and the price is right too.”
Affordable Auto Services
“Napoleon knows what to do to get your car or truck back on the road”
Landa's Automotive Repair
“They really know electrical problems and how to fix them.”
Roberto's Mecanica General
Big Kustoms
“Finally, a shop that can repair your heavily damage vehicle to look new again.”
Eddie's Auto Care
“Eddie do they best work on my car and the service is good..”
Felix Automotive Inc
“Only place I take my car”
Fontana Radiator Services
“Great customer service and very friendly staff it's a family owned business and they're going to get my business!!”
Pacific Radiators Services
“I literally pulled truck in at 12:15 and by 2:15 they were finished.”
Why these companies made our list
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