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Cosmic Automotive
“Jesse has been my go-to person for all my car needs, and I've brought in three different cars over the years—a Honda Civic '98, Honda Accord '02, and my Honda CR-V 2020.”
Best Radiator Repair in Fremont, CA
24 technicians listed · 19 in Fremont · 8 open weekends · 23 rated 4.5+
Data verified October 16, 2026
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ABC Auto Repair & Smog
- Checks
- Stars
- Gentleman
“Lucky and Annabel Lily are a great team, and have gained my trust and confidence in how they conduct their business and treat me as a valued customer; friendly, polite and personable.”
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Fremont Auto Center
“Sal & Martin are very professional & provide pictures of the status of parts that need to be replaced which I have never seen anyone do not even dealerships.”
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Asap Automotive
- Service
- Work
- Ford
“That means as a customer, repairs are explained clearly, patiently up front so all your concerns about risks/unknowns are discussed, no unexpected surprises later.”
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High Street Automotive
“I asked around and the Honda dealership charged $180 to do an inspection, and other auto repair shops charged anything between $100 to $200 an hour to do a diagnostics!”
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Trackspec Autosports
- Expertise
- Price
- Tires
“I have brought my track only Lotus Elise to them for years now, whether it was for a yearly checkup, a full K-swap / sequential transmission & standalone ECU upgrade or other custom request.”
Listed for drivers in and around Fremont, 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.
Area overview: Fremont, CA
Of the 24 technicians we list here, 19 are in Fremont itself and 5 come from towns including San Jose (2, 17 mi), Milpitas (1, 8 mi) and Pleasanton (1, 11 mi). The technicians on this page are rated from 4.4 to 5.0 across 3,069 reviews; 14 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 (92%), quality (84%) and punctuality (76%). The topics that come up most in reviews of the technicians on this page are "price", "communication" and "honest". 8 are open on Saturdays and 1 on Sundays. 7 list staff certifications (ASE) and 12 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 57 years. 1 gives free estimates; 2 are family- or locally-owned and 7 list coupons or special offers. We have a website on file for 16 of the technicians on this page; 12 publish a contact page; 6 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.
Are the longer-established listed shops a safer bet?
17 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.
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ZBT Auto Services
- Fluid
- Questions
- Wheel
“Super impressed with the service and their attention to detail, not to mention they're very reasonable/affordable compared to other mechanics in the Bay Area.”
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Aztek Auto Repair
“All Around great work and service I've been here serval times for different thing from tune ups, suspension, to even electrical work for modification lights (under glow) would highly recommend honest and good work”
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Mission Auto Repair
- Quality Service
- Honest
- Communication
“Sorab is the best customer service when it comes to mechanics, he helped me with honesty and fairness which I have not gotten from anywhere else in Fremont I would give him more stars if it was possible great shop and great person!!”
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Perfection Auto Repair
“I have had family and friends who visited multiple car shops to get their cars fixed but failed to do so because the mechanics weren't able to figure out the problem.”
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Minit Auto Care
- Brakes
- Price
“They are quick, fair in price and do good work.”
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Vern's Auto Clinic
- Mechanic
“They have been maintaining my two cars for many years.”
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Dave's Foreign Auto
- Mechanic
“They are absolutely amazing I will always recommend them, I went there as my car was having acceleration issue and my car was not going beyond 40mph but just fixed it in minutes and pin pointed the exact problem.”
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RST Automotive Inc.
- Mechanic
- RV
“This place is really the one stop repair shop, you can get all your cars "foreign or domestic" fixed here, as well as your car smoged, they even fix R Vs!”
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Concept Auto Repair
“Always was super transparent with anything that needed to be done, and even opened up my transmission and replaced a diff and input shaft bearing pretty much for free!”
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Centerville Radiator & Auto
“They take their time to do the work right so I suggest that you plan on leaving your car there for a few days if you're having anything besides an oil change done.”
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Chouhan Auto Repairs and Sales
“Always help the people......”
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Li Brothers Auto Service
- Price
- Engine
“My car was in an accident with serious damage.”
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Best Auto Service
“I highly recommend Best Auto Service as your auto repair shop.”
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Byoc Auto Repair
- Questions
- Diagnostic
- Brake
“They made a minor mistake on my brake flush and immediately corrected it free of charge without having to wait for an appointment, and gave me a $50 credit in the future.”
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Old Town Auto Care
- Upsell
- Team
- Tire
“We needed an urgent fix to the flat tire to make planned family trip into reality, Business understoon this and went above and beyond to fix the flat tire to get us on the road in time.”
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Akins Auto Repair
“I figured out from reading online, that my Acura RL needed the field coil changed so I ended up doing this myself costing me $100 + 3-5 hours of labor + a lot of bruises from being a newb”
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Michael & Company
- Inspection
- Job
- Insurance
“I appreciate that the folks in the office remember my name AND that they have the courtesy shuttle to drop me off at home & pick me up when my car is ready.”
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Olsen's Automotive Repair
- Fair
- Honest
- 2010
“Update: this was our second time going to Olsen's, we brought our Honda in for service this time and we were welcomed as if we were long-time customers, service was fast and well done!”
Radiator Repair and Replacement Services in Fremont, CA Cost Estimates
Minimum cost
$123
Maximum cost
$1103
National Average
$337
$368
$552
Typical price range is based on 325 cost profiles
Why these companies made our list
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