Top Line Automotive
“I was worried at first, but they carefully diagnosed the issues and prioritized the necessary repairs, which gave me great confidence in them.”
Best Radiator Repair in Norwalk, CA
15 technicians listed · 5 in Norwalk · 12 open weekends · 13 rated 4.5+
Data verified October 16, 2026
JB Auto Repair Inc
“I had Jamie do the oil change and wiper blades replacement this morning.”
Norwalk Specializing In Nissan
“I'd definitely come here again and the guy was really cute too.”
Leo's Automotive & Transmission Repair
“Eventually that caught up to me but thanks to this shop, they rebuilt my transmission and my pistons at a great price while providing quality work.”
Atlas Radiator Services
“The job was thorough, fast and better than expected…and price was great for the detail they put into it.”
San Antonio Auto Repair
“Honestly the homie Kevin is a Beast super knowledgeable, fair and honest prices, also quality work.”
Listed for drivers in and around Norwalk, 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: Norwalk, CA
Of the 15 technicians we list here, 5 are in Norwalk itself and 10 come from towns including Hawaiian Gardens (3, 5 mi), Santa Fe Springs (2, 2 mi) and Cypress (1, 7 mi). The technicians on this page are rated from 4.3 to 4.9 across 2,819 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "communication" and "honest". 12 are open on Saturdays. The services the technicians on this page list most often on their websites are brake repair (2), transmission repair (2) and wheel alignment (2). 4 list staff certifications (ASE) and 5 have a BBB rating of A or A+. Domain records put 6 websites of the technicians on this page at ten or more years old; the oldest dates from 2009. 1 offers financing; 3 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 8 of the technicians on this page; 6 publish a contact page and 2 list a public email. 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?
12 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.
Lou's Radiators
“Friendly, courteous, work was done quickly and expertly and for a fair and reasonable price.”
Arias Auto Repair
“Great experience,complete analysis of my vehicle, and identified major problems of my car that I was not aware of .”
JCI
“Carlos help me a lot with the repairs in my car recomended”
Shop Auto Inc
“Honest guys n great prices n Quality work I recommend to check in with Cris and get a estimate before getting any work done anywhere else they have the lowest prices in the area”
Integrity Transmission & Auto Repair
“He explained the issue clearly without trying to upsell me on unnecessary repairs.”
Karta Motorwerks
“Every time I go there for my car issues they always take care of it and they treat me like family.”
A's Garage
“Cool shop run by a coolest man.”
Automotive Excellence
“Automotive Excellence has been maintaining my older Camry for years.”
Hector's Auto Repair
“Definitely recommend to anyone with car problems.”
Why these companies made our list
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