Diesel & Fleet Mechanic in Keyport WA

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Serving Fleets with Expert Care

Flying Wrench Services is a diesel shop that offers repair, maintenance, performance upgrades, and parts store. Since 2002, we have been a trusted source for diesel services in Kingston, Washington and surrounding areas.

We provide numerous services to fit the needs of any diesel-vehicle owner. From trucks to heavy equipment and everything in between, your vehicle (or equipment) will be tended to by the most trusted diesel shop in the area.

+20 years

Diesel Experience

Our Services

Diesel & Fleet Mechanic near Keyport WA

Diesel performance upgrades in Kingston, WA — bulletproof kits, turbos, fuel systems, transmissions, and lift kits built by real diesel specialists to make power that lasts.
Honest diesel repair in Kingston from Heavy-Duty Diesel Specialists. Real diagnostics, straight quotes, and fast turnaround for Cummins, Powerstroke, and Duramax for trucks and fleets.
Diesel fleet services in Kingston, WA — mobile and in-shop repair, scheduled maintenance, and DOT inspections that keep your trucks earning. Family-owned since 2002.

Diesel Help Is Just One Call Away

From scheduled maintenance and inspections to diesel diagnostics and repair, Flying Wrench Services supports the trucks and equipment your work depends on.

Our Locations

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Honest Diesel Repair Near Keyport That Puts Straight Talk First

You know the feeling. You’re rolling out of Keyport with a trailer behind you and a job waiting on the other side of the county when the dash lights up with a code you can’t read. Your stomach drops before your foot even hits the brake. Every mile you drive not knowing what’s wrong is a mile you’re gambling with a truck that pays your bills. And the last shop that plugged in a scanner told you it was the injectors. It wasn’t the injectors.

That kind of guessing costs working people money and time they don’t have. When your Powerstroke or Cummins is down during peak season, the whole week backs up — the calls to reschedule, the crew standing around, the reputation you’ve spent years building. You don’t need a parts-changer in a polo. You need someone who knows what a common-rail system actually does.

Flying Wrench Services is right up the road at 31516 Commercial Ave NE in Kingston, a short drive from Keyport across Kitsap County. We’ve been fixing diesels here since 2002, and we talk to you like a person who knows his own truck — because most of our customers do. Call (360) 638-0044 and get a real answer instead of a runaround.

Why Keyport Drivers Choose Flying Wrench Services

Straight Talk Without the Upsell Games

You came in for a turbo. We’re not going to lecture you about a cabin air filter. Here’s how we keep it honest:

  • We tell you what’s actually wrong, what it costs, and what can wait — before we touch a wrench.
  • We work with you like a partner who respects that you know your rig, not a customer to be managed.

As the most reviewed local diesel repair shop in the area, we earned that reputation one honest diagnosis at a time. When you can talk shop with the person fixing your truck, your shoulders come down two inches.

Dealership-Level Skill Without the Two-Week Wait

You’d rather set the truck on fire than sit in a dealership waiting room drinking burnt coffee for six hours. We get it. What you get here instead:

  • Heavy-Duty Diesel Specialists and Light Duty Diesel Specialists under one roof — one shop for your whole operation.
  • Turnaround measured in days, not weeks, because we know downtime is lost income.
  • The top-rated heavy-duty equipment repair shop in Kitsap County, handling everything from pickups to excavators.

We’re a working man’s shop, priced like one — not a boutique that charges you to say hello. That’s why Keyport contractors and fleet owners keep coming back.

Comprehensive Diesel Repair Services for Keyport Drivers

Keyport Diagnostic and Maintenance Services

Whether that dash light has been nagging you for six months or your truck just started running rough, we cover the systems that keep a diesel earning its keep:

Ready for Kitsap Weather and Saltwater Air

Keyport sits right on the water off Liberty Bay, and that damp, salty Puget Sound air is hard on a diesel. Cold, wet mornings tax glow plugs and batteries, and salt air accelerates corrosion on brake lines, electrical connectors, and cooling components. If your truck cranks slow on a cold morning, we handle glow plug replacement and diesel electrical repair to keep you starting first try.

Constant hauling and stop-and-go around the county also loads your cooling system and emissions hardware. We service cooling systems, radiators, and the emissions systems that trip so many check engine lights — including EGR and DPF work done right so it stays fixed.

Make-Specific and Fleet Service

You’ve got a Powerstroke, a Cummins, and maybe a Kubota in the yard. We work on all of it — no explaining what a common rail is to the person fixing it:

One shop for repairs, maintenance, inspections, aftermarket parts, and fleet work. That’s your diesel home base.

Serving Keyport and the Surrounding Kitsap County Area

Keyport sits on the Kitsap Peninsula off Liberty Bay, tucked between Poulsbo to the north and the Silverdale-Bremerton corridor to the south. Our Kingston shop is an easy run for Keyport drivers and fleets, and we serve the whole surrounding region without the hassle of hauling into Seattle.

If you’re working across the peninsula, we also cover nearby communities including Poulsbo, Silverdale, and Bremerton. Wherever your route takes you in Kitsap County, we’re a short drive away.

Schedule Your Keyport Diesel Service in Kingston Today

You’ve been putting off that check engine light long enough. Stop guessing, stop losing days, and get your truck in the hands of a shop that actually specializes in diesel. We’ll give you a straight diagnosis and a fair price — no three-page invoice full of stuff you didn’t ask for.

Call Flying Wrench Services at (360) 638-0044 or find us at 31516 Commercial Ave NE, Kingston, WA 98346. See what your neighbors are saying on our reviews page, then let’s get your rig back to earning. Serving Keyport and all of Kitsap County since 2002.

Frequently Asked Questions

Do you serve Keyport, and how far is your shop?

Yes, we serve Keyport and the surrounding Kitsap Peninsula from our shop at 31516 Commercial Ave NE in Kingston — a short drive north. Keyport drivers and fleets bring everything from work trucks to excavators to us without hauling into Seattle.
We actually specialize in diesel rather than ‘working on diesels too,’ and we diagnose with professional J-Pro and TEXA equipment instead of a generic scanner and a guess. As the most reviewed local diesel shop, we give straight answers, fair working-man pricing, and turnaround in days, not weeks.
It does. The wet, salty Puget Sound air accelerates corrosion on brake lines, electrical connectors, and cooling parts, while cold, damp mornings tax glow plugs and batteries. We handle glow plug replacement, electrical repair, and cooling work to keep you starting and running reliably.
For trucks that haul and work hard, we recommend staying ahead of oil changes, fuel filter service, and fluid checks on a tighter interval than a daily driver. We’ll build a scheduled maintenance plan around how you actually use the truck so small issues never turn into a money pit.
We work on Powerstroke, Cummins, and Duramax engines, plus heavy equipment like Kubota excavators and loaders. You get one shop for your whole operation without explaining what a common rail is to the person fixing it.

What Our Customers Say

Read customer feedback about experiences with Flying Wrench Services.