Schneider's Automotive
“The team took the time to understand how I actually use the truck and the reality of its age, recommending only the essential repairs needed to keep it safe and reliable.”
Best Radiator Repair in Simi Valley, CA
15 technicians listed · 9 in Simi Valley · 3 open weekends · 14 rated 4.5+ · 1 shows a license
Data verified November 11, 2026
Perry's Quality Auto Repair Shop & Mechanic
“They send you pictures of your car highlighting the necessary issues, explaining everything, and don't push on you at all.”
Bill's Quality Auto Care
“I love that you get sent pictures of everything they inspect, so you can verify the information they are providing you with.”
The German Auto Doctor
“Dave worked on my 2010 GTI and needless to say, I am more than happy with my finished product of car.”
A & D Automotive Inc
“You'll be satisfied with what you get from him nothing but the best I'd give him 10 stars if they had it.”
German Auto Specialist
“They were super flexible with scheduling, fair price, and didn't try to gouge or upsell me like other nearby shops.”
Listed for drivers in and around Simi Valley, 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: Simi Valley, CA
Of the 15 technicians we list here, 9 are in Simi Valley itself and 6 come from Thousand Oaks (4, 9 mi), Westlake Village (1, 10 mi) and Newbury Park (1, 11 mi). The technicians on this page are rated from 4.0 to 5.0 across 4,011 reviews; 12 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "diagnosis", "fair" and "price". 3 are open on Saturdays and 1 on Sundays. The services the technicians on this page list most often on their websites are brake repair (2), clutch repair (2) and transmission repair (2). 1 shows a license on its website; 5 list staff certifications (ASE) and 6 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 51 years. 4 offer financing; 5 are family- or locally-owned and 7 list coupons or special offers. We have a website on file for 14 of the technicians on this page; 11 publish a contact page; 2 list a public email and 6 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?
9 of the 15 shops are in Simi Valley; the others come from other towns within 15 mi. Radiator specialists serve a wide area, so the nearest one may well be a town over.
Alfredo's Auto Repair
“Alfredo has done a lot of work for me he's always been fair and honest 👌”
M&S Automotive
“Outstanding service, fair price, Mark is a man of integrity and honest.”
Stevies Garage
Westlake Independent Automotive
“I had a difficult problem with the communications system and Norman diagnosed it promptly and fixed it.”
Preferred Auto Centre
“The girls at the front desk were very helpful with explaining the what, when and where with the car.”
Gallardo's Automotive Service Inc
“Gallardo did a great job in repairing and replacing the timing belt and also giving me a reasonable cost.”
Accurate Automotive Services
“Oh yeah, super friendly staff that won't talk down to you when you clearly don't know what you're talking about.”
Bennett Automotive
“My friends said they were trustworthy, had fair pricing, and would fix her Jeep fast.”
Giant Oak Automotive
“I've had work done on 3 different cars here and they have been awesome every time.”
Why these companies made our list
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