Coys Diesel: Sales, Service & Performance

Coys Diesel: Sales, Service & Performance Diesel Truck Sales, Diesel Service & Repair, Diesel Performance parts & install!

Coy's Diesel Sales, Service & Performance provides diesel truck repair, fuel system repair, turbochargers, transmissions, and digital inspections to Southern Louisiana.

Struggling with diesel repair issues? Our team of expert technicians is here to provide top-notch diesel truck repair se...
05/12/2026

Struggling with diesel repair issues? Our team of expert technicians is here to provide top-notch diesel truck repair services. With over 20 years of experience, we ensure your vehicle receives the care it deserves. We understand the importance of time in the trucking industry, which is why we offer quick diagnostic turnarounds and 24/7 emergency roadside assistance for tractor-trailers. Whether it's a routine check-up or an unexpected breakdown, our certified mechanics are ready to get you back on the road swiftly. Visit our website or call us today to learn more about our services and how we can assist you.

https://www.coysdiesel.com/

When it comes to local diesel truck repair, you need a team you can trust to get you back on the road quickly and effici...
05/08/2026

When it comes to local diesel truck repair, you need a team you can trust to get you back on the road quickly and efficiently. Our expert technicians bring over 20 years of experience to every job, ensuring your diesel vehicle receives the top-notch care it deserves. We understand the importance of time in the trucking industry, which is why we offer quick diagnostic turnarounds, typically within 2-3 days. Plus, our 24/7 emergency roadside assistance for tractor-trailers means you're never left stranded. Whether it's a routine check-up or an unexpected breakdown, we're here to help. Experience the difference with our reliable service and commitment to quality. Visit our website or call us today to learn more about how we can assist you.

https://www.coysdiesel.com/

Looking for expert light-duty diesel mechanic services? Our local diesel mechanic team is here to provide top-notch care...
05/01/2026

Looking for expert light-duty diesel mechanic services? Our local diesel mechanic team is here to provide top-notch care for your diesel vehicles. With over 20 years of experience, we specialize in diagnosing and repairing a wide range of light-duty diesel engines. Our certified technicians are equipped with the latest tools and knowledge to ensure your vehicle runs smoothly and efficiently. We offer comprehensive services including routine maintenance, emergency repairs, and pre-purchase inspections. Plus, our 24/7 emergency roadside assistance ensures you're never left stranded. Trust our family-owned business for reliable and excellent service. Visit our website or call us today to learn more about how we can keep your diesel vehicle in top condition.

https://www.coysdiesel.com/light-duty-diesel-mechanic

03/06/2026

2019 GMC 3500 LOW POWER ON ACCELERATE… 😬🛻

Had some fun with the work crew today!
02/28/2026

Had some fun with the work crew today!



02/17/2026

How this DPF was HIDING this truck’s problem‼️🛻💨

Slipping? Shuddering? Gear ratio codes?If your 68RFE is acting up, don’t wait until it leaves you stranded.We have a Sta...
02/17/2026

Slipping? Shuddering? Gear ratio codes?

If your 68RFE is acting up, don’t wait until it leaves you stranded.

We have a Stage 1 built 68RFE with a Babymaker valve body

2013–2018 Ram 2500/3500 Cummins

💪 Built stronger than stock
🔧 Ready for install
📦 At Coy’s Diesel

📲 Call or Text today for a quote:
225-647-3699


02/13/2026

We can fix any FORD PROBLEMS with FORSCAN‼️🛻

01/16/2026

ISSUE FOUND DURING ROUTINE SERVICE… 😬🛻

New hours for the New Year!
01/04/2026

New hours for the New Year!

Address

13397 Airline Highway
Gonzales, LA
70737

Opening Hours

Monday 7am - 6pm
Tuesday 7am - 6pm
Wednesday 7am - 6pm
Thursday 7am - 6pm

Telephone

+12256473699

Website

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