Sparks Tire & Auto
“The entire staff are friendly, and very knowledgeable about the maintenance of your car.”
Best Radiator Repair in St. Charles, MO
15 technicians listed · 6 in St. Charles · 12 rated 4.5+
Data verified October 19, 2026
Riverside Auto Service
“Tony and the crew are amazing, always super nice, and they try their best to accommodate your schedule if possible.”
Kar Tech
“I've checked around and their pricing is excellent and I've had them work on Volvos to several cars that my kids drove.”
Robert's Automotive Service Center
“My alternator was out, and they allowed me to drive my car there (rather than have it towed when they had an opening for me) they have a secure lot.”
Zeisler Automotive- Saint Charles
“Really nice, seems genuine and they did a great job fixing our car.”
Laurenti Automotive
“Needed a full headlight replacement because my old one was damaged in a small fender bender.”
Listed for drivers in and around St. Charles, MO, 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: St. Charles, MO
Of the 15 technicians we list here, 6 are in St. Charles itself and 9 come from towns including Florissant (5, 10 mi), Ferguson (2, 12 mi) and Ballwin (1, 13 mi). The technicians on this page are rated from 4.0 to 4.8 across 3,200 reviews; all 15 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "diagnosis" and "fair". 2 list staff certifications (ASE) and 5 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 101 years. 1 offers financing; 5 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for all 15 of the technicians on this page; 9 publish a contact page and 4 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?
11 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.
St Charles Foreign Car Inc
“My beetle has been to 3 shops in 2 weeks for a diagnosis - one of which was this shop - and he was straightforward in telling me to send it on to the dealership.”
Clark's Automotive
“I really feel like everyone there is very trustworthy and does great work!”
Florissant Garage & Radiator
“I Have taken all of my vehicles there, and they are always thorough, honest, and fair.”
Gary's Automotive
“I had an appointment and they took my car right in and had it finished in the time they said.”
Euro Car
“Even giving a ride back to the hotel, and getting it fixed the same day!”
Bradley Motor Werke
“He patiently went over the price of every parts that I asked with no complaints.”
Ferguson Motor Service
“They communicate the status of the repair, offer fair pricing, but most importantly repairs are done right the first time.”
Claymont Auto Repair
“We've taken our cars here for years and they always tell you what needs to be done, nothing more.”
Danmark Tire Center
“Highly recommend Danmark Tire Center to whoever wants a fair deal and honest deal.”
Why these companies made our list
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