Fullerton Auto Repair Clinic & Body Shop
“We have been using their services for a several years now and have no complaints.”
Best Radiator Repair in Fullerton, CA
24 technicians listed · all 24 in Fullerton · 16 open weekends · 18 rated 4.5+
Data verified October 16, 2026
Oily's Automotive
“There are always very respectful they don't overcharge they don't take advantage of women I love it”
Monzon Garage
“Family owned business, very good service, I'm pleased with their work and always ready to help.”
Baughman & Turner Automotive
“Mark is always willing to answer my questions and show me the problems our car is having!”
Superior Tire Services
“Had to get new tires, but it was a great price and they took care of it in less than 20 minutes!”
J&J Auto Service
“They are so kind and always take care of my vehicle whether I make an appointment or not.”
Listed for drivers in and around Fullerton, 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: Fullerton, CA
All 24 technicians we list here are in Fullerton itself. We have 29 technicians in Fullerton on file; this page shows the highest-rated 24. The technicians on this page are rated from 4.1 to 5.0 across 1,452 reviews; 8 have 50 or more reviews and 18 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "fair" and "honest". 16 are open on Saturdays. 1 lists staff certifications (ASE) and 4 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 70 years. 1 gives free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 8 of the technicians on this page; 2 publish a contact page and 2 list a public email. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Which radiator shops listed for Fullerton open on Saturdays or Sundays?
16 of the 24 shops on this page open on weekends. Overheating does not wait for Monday, so if nobody is open, the safe move is still the same: leave the car parked and have it towed rather than drive it hot.
Terry's Automotive
“Matt's a very knowledgeable honest and competent mechanic, take your vehicles there, you won't be disappointed.”
FZ Garage
“They'll diagnose and give you the real worthy price and won't upsell you.”
Orange County Fleet Services
“Super helpful Darin called back really quickly and gave us info even though he was out of town.”
Cedillo's Auto Repair
“They are knowledgeable and work with you to get your car repaired honestly and reasonable.”
Sal's Auto Service
“Sal is honest and friendly, he does high quality work, he is not a discount mechanic, but he is fair and genuinely takes good care of cars”
차수리 BK Automotive
“The owner is an honest man always come here for repairs and oil changes.”
S&K Auto Repair
“Very friendly and efficient, I'll be coming here for all my repairs from now on!”
A to Z Auto Repair & Tires
“Very friendly people they communicate with me which was nice and very honest mechanic and affordable prices”
Gary's Radiator
“Radiator replaced in only a couple of hours, MUCH quicker than expected!”
Complete Auto
“My car was completed quickly and I was out of there in no time.”
Tecnicar Auto Service
“They came in klutch needed a tire patch asap and they helped me out with great customer service and quick tire service.”
MD Auto Care Repair Services
“Good experience professional service I recommend this place”
H K Auto Master
“After a DIY spark plug change with a buddy that went horribly wrong, I called these guys and they were able to do literal god's work - take out a broken spark plug that snapped inside.”
EVR Auto Repair
“They even provide me a car for my use while the repair where being done on my car...”
MG Brake & Lamp
“Miguel was very professional and he did a great job for Brake and light inspection.”
Jay Auto Repair
“Definitely coming back to him for other repairs.”
Protec Auto Service
“Very good service ,finished vehicle on time ,good quality of service ,reasonable price and good Customer service”
J&J Cruz Auto Repair
“Nice place and the best customer service”
Why these companies made our list
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