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Diesel pickup with the hood up at Mason Diesel Performance in Lincoln, CA
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Maintenance & Fleet in Lincoln, CA

Oil, fuel filters, coolant and inspections for diesel trucks. Bring in one truck or the whole fleet.

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Maintenance & Fleet

Small jobs that prevent big ones.

Most expensive diesel failures start as something small that got skipped. Oil does more than lubricate here. It carries soot and it is what keeps the turbo bearings alive. Fuel filters catch water and dirt before they reach the injectors and the high-pressure pump, and those are not parts you want to replace early. Coolant protects against overheating and corrosion, and it wears out too. An inspection is the chance to catch a weeping hose, a loose clamp or a worn belt while it is still a simple fix. None of this is exciting, which is why it keeps getting pushed back.

The details decide whether maintenance does any good. Each engine has its own oil spec and coolant type, and the wrong one can cause the problem you were trying to avoid. Service intervals in the owner's manual assume a certain kind of use, and towing, idling, short trips and dusty roads are all harder on a truck. Idle hours add up even when the odometer barely moves. A fuel filter change needs care as well, because dirt let in during the swap goes where you least want it, and air left in the system can leave you with a hard start. Rushing it defeats the point.

If you run work trucks, a missed service costs more than the service, because the truck ends up parked when you need it. Keep a simple log for each one with the date and mileage of its last oil, fuel filter and coolant service, and planning ahead gets a lot easier. Our hot, dry summers add heat and dust on top, so trucks working through them deserve a closer look. Bring in one truck or several. Call (530) 320-4702 or use the form on this page, tell us how many trucks and what they do, and we will give you a clear, upfront quote.

What we take care of

02 / What We Do

Other Services

Diesel Diagnostics

Check engine lights, low power, rough idle. We track down the real problem before anything gets replaced.

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Diesel Repair

Injectors, fuel systems, cooling, and electrical on Powerstroke, Duramax, and Cummins engines.

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Performance Upgrades

Intakes, exhaust, and performance parts installed right, for more power and better mileage.

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Turbo & Air Intake

Boost leaks, turbo trouble, and intercooler piping diagnosed and repaired so it pulls like it should.

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EGR & Emissions Repair

EGR valves, coolers, sensors, and DPF faults sorted out so your truck runs right and stays on the road.

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Maintenance & Fleet

Oil, fuel filters, coolant, and inspections. Bring in one truck or the whole fleet.

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06 / Get a Quote

Straight answers,
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Upfront quotes, no obligation
Locally owned in Lincoln, CA
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08 / FAQ

Maintenance & Fleet questions, answered.

Start with the interval in your owner's manual. If you tow, idle a lot, work in dust or have had a questionable tank of fuel, plan on sooner.

No. Use the type specified for your engine, because mixing the wrong types can cause problems of its own. If you are not sure what is in there, ask us before you add anything.

Long idling adds engine hours and soot without adding miles, so the odometer does not tell the whole story. If your trucks idle a lot on job sites, mention it when you call.

Diesel repair, diagnostics, EGR and emissions repair, turbo and intake work, performance upgrades, and routine maintenance. If you're not sure, just ask.

Yes. Bring in one truck or several. We'll keep your work trucks maintained and on the road.

Always. We explain what we found and what it will cost before any work starts, so there are no surprises.

We are at 1750 Lincoln Newcastle Hwy, Lincoln, CA 95648. Truck owners come in from Roseville, Auburn, Sacramento and everywhere in between. Call (530) 320-4702 before you head over.

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