Williams Diesel Service

Williams Diesel Service

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Full service diesel repair facility serving North Central FL for over 30 years offering a wide variet

Williams Diesel Service was established in 1970 and is located on Magnolia Avenue in historic downtown Ocala, Florida. The current owners, Charles and Rosemarie Oliveros, bought the business in 1990, bringing their knowledge and expertise of the diesel industry from South Florida to Marion County. Willams Diesel Service is the only authorized diesel fuel injection shop in North Central Florida and

05/29/2026

Ram Cummins owners know their trucks are built to work hard and last forever. Keep yours running strong with proper maintenance, quality parts, and techs who understand these legendary engines.

05/22/2026

Fuel injectors are the heart of your diesel engine's performance. When they start to fail, you'll notice rough idle, black smoke, and poor fuel economy. We test and replace injectors to restore your engine's power.

05/15/2026

Your truck's differential works hard whether you're hauling a trailer or just driving to work. Regular differential service with fresh gear oil keeps those expensive gears protected and your truck rolling smoothly.

05/08/2026

Your Duramax is built tough, but even the best diesel engines need regular maintenance. Fresh oil, clean fuel filters, and proper diagnostics keep your truck pulling strong for 300,000 miles and beyond.

05/01/2026

Your transmission fluid should be bright red and smell sweet, not dark brown and burnt. If it's time for a transmission service, don't wait, fresh fluid and a new filter can add years to your transmission's life.

04/24/2026

Buying a used truck? Smart move getting a pre-purchase inspection first. We'll check everything from the engine and transmission to the frame and electrical system so you know exactly what you're buying.

04/17/2026

Your diesel truck's DPF system works hard to keep emissions clean, but when it gets clogged, you'll notice reduced power and poor fuel economy. Regular DPF cleaning keeps your truck running strong.

04/10/2026

Ever notice your diesel truck pulls to one side when you brake? That's usually a sign of uneven brake wear or a stuck caliper. Don't wait until it gets worse, uneven braking can be dangerous.

04/03/2026

Your check engine light just came on and you're wondering if you can ignore it until payday. Here's the thing, that light is your car's way of preventing expensive damage. Our diagnostic scan takes 15 minutes and could save you thousands.

03/27/2026

That grinding noise when you brake isn't just annoying, it's your car telling you the brake pads are completely worn down. Come in today before you damage the rotors and turn a simple brake pad replacement into a much bigger repair bill.

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Telephone

Address


5045 SW 1st Lane
Ocala, FL
34474

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm