diesel & engine repair in live OAK

Complete REPAIR And Care FOR CARS, TRUCKS, TRAILERS and HEAVY EQUIpment
with Trusted Nationwide Warranty

About Our Shop

Bait & Tackle For your next day on the water

Before you head out fishing, stop by L & J Gas and Diesel for bait, tackle, and fishing gear. We carry the lures, equipment, and supplies local anglers need for freshwater fishing throughout North Florida.



Whether you are getting ready for a quick afternoon trip or stocking up for the weekend, our shop makes it easy to grab what you need while also taking care of your vehicle, diesel truck, or fleet service needs.

Our Services

Complete Automotive Repair & Maintenance

From Diagnostics to Jasper Engine Replacements—We’ve Got You Covered

Whether you’re due for routine maintenance or facing a major repair, our team delivers dependable service backed by trusted brands. We specialize in diagnostics, brakes, A/C, electrical, and more, and for engines, transmissions, and driveline components, we proudly install factory-rebuilt Jasper parts with a 3-year/100,000-mile warranty.

At L & J Gas and Diesel, we are deeply committed to delivering automotive excellence to our valued customers. Our team has dedicated ASE-certified technicians who take pride in their workmanship and uphold the highest industry standards.

With a commitment to excellence, we ensure that every vehicle receives the highest level of care and attention it deserves. Our team has the skills and experience to keep your vehicle running smoothly and safely on the road.

As a JASPER® Installer, L & J Gas and Diesel harnesses the vast array of  resources provided by JASPER® to help you make well-informed decisions regarding replacing your vehicle's engine, transmission, differential, or fuel system.

JASPER® Engines extends a 3-year, 100,000-mile nationwide transferable warranty on their products. Specializing in remanufacturing engines, transmissions, diesel, differentials, and fuel systems, JASPER® has been in the US since 1942.

Customer Reviews

Real Stories. Reliable Service.

See Why Drivers Trust Us

Our customers say it best. From everyday maintenance to major engine replacements, drivers count on our shop for honest answers, quality workmanship, and dependable parts. We’re proud to pair our service with Jasper Engines & Transmissions—giving you results that last and a warranty to prove it.

Get in Touch

Reach out anytime

Have a question, need information, or want to talk about your vehicle? Give us a call, send us a message through the form, or swing by the shop during business hours. Whether it’s diagnostics, repair, or general questions, our team is here to assist you and respond as quickly as possible.