Miramar Automotive & Transmission
“He kept me updated on the status of my car, and they didn't pressure me into getting the suggested additional service.”
Best Radiator Repair near San Marcos, CA
We have 10 technicians in San Marcos on file. Only the highest-rated make our list: 3 of them made it, along with 7 from San Diego (21 mi).
1 open weekends · all 10 rated 4.5+
Data verified October 16, 2026
Japanese Car Masters
“They're easy to communicate with and they keep in touch on what's going on in terms of my Mazda's servicing and/or repairs.”
Motec Auto Care
“I have brought 4 different cars here for maintenance and repairs, and have always driven away feeling confident in the job and good about the price paid.”
Pacific Auto Service
“I have been taking my car to Pacific Auto for 3 years now and only have good things s to say.”
Ray Frey Auto Center Inc
“They were patient enough to explain/convince me that my key was the issue (the passive security diode/chip died) when I was convinced that something mechanical must be the matter”
Sheens Auto Care
“Sean's knowledge and trustworthiness are evident, and I felt like I was treated fairly and honestly, unlike in other car appointments where I often feel taken advantage of.”
Listed for drivers in and around San Marcos, CA, these 10 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: San Marcos, CA
The 10 technicians on this page are rated from 4.7 to 5.0 across 3,214 reviews; all 10 have 50 or more reviews. The topics that come up most in reviews of the technicians on this page are "communication", "diagnosis" and "honest". 1 is open on Saturdays. 4 list staff certifications (ASE) and 9 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 107 years. 1 offers financing; 1 gives free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for all 10 of the technicians on this page; 7 publish a contact page; 3 list a public email and 3 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.
Why are shops from other towns listed here?
3 of the 10 shops are in San Marcos; the others come from other towns within 25 mi. Radiator specialists serve a wide area, so the nearest one may well be a town over.
Allen's Wrench
“This is the first auto repair shop that I truly feel I can trust the mechanics.”
Caledonian Auto Repair
“Terry has a wealth of knowledge and worked out a very complicated issue with my car and got it ready for smog.”
Service Pros Automotive
“My family and I have been taking our cars to Jeff for over 10 years.”
Sawaya Automotive
“In a situation where other mechanics may have taken advantage of me, Tony was truthful, skilled and honorable and gave me a good price.”
Why these companies made our list
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