Donna, TX — Open Today

Keep Your Engine
Running Cool
Down the Road.

From radiators that overheat to mufflers that rattle — we diagnose, repair, and replace so you can get back on Texas highways with confidence.

Call (956) 464-5673 Our Services
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Trusted by Donna drivers for years

Mechanic working on vehicle radiator at J's Radiator and Muffler Shop

Same-Day Service

Most repairs done fast

What We Do

Services Built Around
Your Vehicle

We specialize in cooling systems and exhaust — the parts that keep your engine safe and your ride quiet. Here's what we handle every day.

Radiator Repair & Replacement

Leaking radiator? Overheating engine? We fix cracks, clogs, and failures — or install a new one built to last.

Muffler & Exhaust Service

Rattle, roar, or red light — we repair and replace mufflers, catalytic converters, and full exhaust systems.

Cooling System Flush

Old coolant loses its protection. We flush and refill your system with fresh fluid to prevent overheating.

Water Pump & Thermostat

These small parts control your engine's temperature. We test and replace them before they leave you stranded.

AC Condenser Repair

Your radiator and AC condenser share the same front-end space. We handle both so your cabin stays cool too.

Inspection & Diagnostics

Not sure what's wrong? We'll pinpoint the issue — overheating, leaks, noise — and give you an honest assessment.

Interior of J's Radiator and Muffler Shop workspace

LOCAL

Owned & Operated

TRUSTED

By the Community

About Us

Your Neighborhood
Auto Shop

J's Radiator & Muffler Shop has been serving Donna and the surrounding Valley communities with honest, dependable auto repair. We know your vehicle — and we know how important it is to you.

Whether it's a blown radiator on the way to work or a rattling muffler that failed inspection, we treat every car like it's our own. No shortcuts, no surprise charges — just solid work at a fair price.

Honest Estimates
Fast Turnaround
All Makes & Models
Fair Pricing
Why Choose Us

The J's Difference

Same-Day Service

Most repairs finished while you wait — because your schedule matters.

Guaranteed Work

We stand behind every repair. If it doesn't hold, neither will we — so we make sure it does.

Straight Talk

We explain what's wrong in plain language — no jargon, no upselling, no guessing.

Community First

We're your neighbors. Your satisfaction and safety are what keep us in business.

Don't Wait Until
It's Too Late

An overheating engine or a failing muffler won't fix itself. Call J's Radiator & Muffler Shop today and get your vehicle running right.

(956) 464-5673 Get Directions
Get In Touch

Visit Us Today

Drop by the shop or give us a call — we're ready to help.

Address

106 S 7th St
Donna, TX 78537-3159

Hours

Monday – Friday: 8:00 AM – 6:00 PM

Saturday: 8:00 AM – 2:00 PM

Sunday: Closed

Send Us a Message

Tell us what your vehicle needs and we'll get back to you.

Is this your business?This is my business