NW Diesel, LLC

NW Diesel, LLC Diesel Repair, diagnostic and service for Powerstroke, Cummins, Duramax. TDI, and industrial diesels

06/14/2026

You’ve got to love what you do, love the people you work alongside, and appreciate the customers who trust you with their vehicles.

At NW Diesel, we’re grateful to do what we love every day—working on great trucks, solving tough problems, and serving an amazing community.

Thank you for keeping us busy and trusting us with your diesel needs. We wouldn’t be here without you.

Not every hero wears a cape—some wear coveralls and spend their days keeping trucks on the road.A candid shot of one of ...
06/14/2026

Not every hero wears a cape—some wear coveralls and spend their days keeping trucks on the road.

A candid shot of one of our techs doing what he does best. No staged photos, no shortcuts—just skilled hands, attention to detail, and pride in the work.

It’s the people behind the tools that make the difference.

When you’re ready to ditch the factory transmission limitations and step up to legendary reliability, an Allison convers...
06/12/2026

When you’re ready to ditch the factory transmission limitations and step up to legendary reliability, an Allison conversion is hard to beat.

Better towing. Better drivability. Better durability.

Whether you’re hauling heavy, building a performance truck, or just want a transmission built to handle whatever you throw at it, we can help make it happen.

🔧 Allison Conversions
🔧 Transmission Rebuilds
🔧 Performance Upgrades
🔧 Custom Diesel Builds

Diesel Done Right.
📍 NW Diesel

Dan is hard at work on this 6.4 Powerstroke getting a fresh set of cylinder heads and a single turbo conversion. Whether...
06/11/2026

Dan is hard at work on this 6.4 Powerstroke getting a fresh set of cylinder heads and a single turbo conversion. Whether you’re keeping your truck on the road, increasing reliability, or building something a little more fun to drive, our team has the experience to get it done right.

From maintenance and diagnostics to major engine repairs and performance upgrades, we’ve got your diesel covered.

NW Diesel
Diesel Done Right. 💪🔧

06/09/2026

This Duramax is getting a new turbo and is ready to get back to work. Whether you’re looking for a reliable stock replacement, improved towing performance, or something with a little more whistle and spool, we’ve got options to fit your goals.

From daily drivers to performance builds, our team can help you choose the right setup and install it the right way.

📞 Give us a call and let’s talk turbo upgrades.

06/06/2026

🔥 700HP Cummins Build Loading… 🔥

Compound turbos? ✅
Built Allison transmission? ✅
Fuel system upgrades? ✅
A whole lot more? ✅

This 24V Cummins is getting the works, and we’re just getting started. Stay tuned as we transform this truck into a reliable, hard-pulling, boost-making machine.

🚨 The best is yet to come.

💨🔥

“Back in my day we didn’t need A/C.”Cool story, Grandpa. I’m keeping mine. 😎❄️Let’s be honest—sitting in traffic with th...
06/05/2026

“Back in my day we didn’t need A/C.”

Cool story, Grandpa. I’m keeping mine. 😎❄️

Let’s be honest—sitting in traffic with the windows down isn’t what it used to be. Between packed highways, stop-and-go traffic, and summer heat, an A/C system that barely keeps up can make for a long drive.

If your truck isn’t blowing ice cold, now is the time to get it checked out.

✅ A/C Diagnostics
✅ System Service & Recharge
✅ Leak Detection & Repairs
✅ HVAC System Repairs

Let NW Diesel get your truck’s HVAC system up to s***f before the real heat arrives.

📞 Give us a call and stay cool this summer.

06/03/2026

Heater core replacement on a Cummins:
✔️ Dash torn apart
✔️ Patience tested
✔️ Lots of hidden bolts
✔️ Worth doing right the first time

Not every repair is glamorous… but this is the kind of work that keeps your truck comfortable and reliable year-round. Thankful for our crew who makes these tedious jobs look easy. 👊

At NW Diesel and CDA Diesel, we don’t play favorites. 👊Duramax.Powerstroke.Cummins.From stock work trucks to fully b...
06/02/2026

At NW Diesel and CDA Diesel, we don’t play favorites. 👊

Duramax.
Powerstroke.
Cummins.

From stock work trucks to fully built performance rigs — we work on them all every single day. Advanced diagnostics, repairs, maintenance, upgrades, transmissions, suspension, and everything in between.

Two shops. One mission. One standard — Diesel Done Right. 🔧🔥

05/30/2026

At NW Diesel, precision matters. 🔧

From advanced diagnostics to engine builds, suspension, steering, transmissions, and performance upgrades — every repair is handled with the expertise, attention to detail, and quality your truck deserves.

No guesswork. No shortcuts. Just diesel repair and off-road performance done right. 💪

Powerstroke • Cummins • Duramax
📍Diesel Done Right.

Address

4721 56TH Place NE #1-A
Marysville, WA
98270

Opening Hours

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

Telephone

+13609265513

Website

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