3 Rivers Diesel and Repair

It’s honestly surprising how many grid heater failures we see on 6.7L Cummins trucks .. . even for a small shop like ours.
This is just a quick glimpse of what comes through every month.

If you haven’t addressed yours yet, now’s the time.
Parts are in stock… get scheduled before it becomes a bigger problem.

The S&B Low Profile Valance replaces the large OEM valance found on 2WD & 4x4 Super Duty trucks.
This Tremor-style design looks better and gives you improved ground clearance compared to stock.

✔️ Better approach angle
✔️ Cleaner, more aggressive look
✔️ Direct replacement
✔️ ONLY $99

Sometimes the small mods make the biggest difference.

ALLISON 10L1000 TRANSMISSION SERVICE & UPGRADES

Found in 2020+ Chevy Silverado 2500HD / 3500HD 6.6L Duramax trucks, the Allison 10L1000 is a good transmission — but it does have known valve body issues as mileage heat and use build over time.

We offer complete Allison 10L1000 services, including:
• Valve body upgrade services using the proven kit designed to correct the known 10L1000 valve body issue
• Full transmission service & inspection
• Large-capacity deep pan upgrades available
• OEM fluid
• OEM filter & pan gasket

Schedule your Allison service now

🚨 ANYONE AFFECTED BY THE FLOODING 🚨

If you have a trailer you are unable to move living in or not and need help evacuating the flood zone PLEASE CALL! We are moving trailers and wanting to help everyone evacuate the flood zone for FREE no strings attached! This isn’t a time for a company to bank off of someone else’s desperation this is a time to come together! Call ANYTIME for help 360-771-5688! No questions asked no strings! Just a small local buisness wanting to help the local community!

Yes we will also move animals!

Please share this post or comment someone you may think is needed help evacuating!

Complete 6.7L Power Stroke Engine Replacement 🔧
From turbocharger to drain bolt — every component brand new, bolt-in ready.
✅ Full fuel system included
✅ Backed by parts & labor warranty

Jump into Spring with a Fresh Start!
Like this 2016 Duramax for:
• Engine oil service
• Transmission service
• Fuel filter

Ready to gear up for the season?
Contact us today to schedule your spring maintenance!

At 3 Rivers Diesel, we stock and install the Edge CTS3 Insight Monitor, a top choice for truck owners who want to monitor and optimize their vehicle’s performance.

🔥 What the CTS3 Insight Monitor Offers:
• Real-time performance data at your fingertips
• Customizable alerts to keep you in the know

Expand Your System with Edge EAS Accessories:
• Pyrometers for exhaust temperature
• Other expansion options to suit your needs

🛠️ Better Mounting Options:
Upgrade with pillar pod kits for a clean, secure fit in your truck.

✅ In Stock Now!
We carry monitors, sensors, and mounting kits, ready to install. Stop by or message us to learn more and schedule your install.

🎁 3 Rivers Diesel Swag Box – Only 5 Left Before Christmas!
Get yours before they’re gone!
Each swag box includes:
• 3 Rivers Diesel T-Shirt (Sizes S–3XL)
• Logo Koozie
• Logo Pen
• Logo Light-Up Keychain
• Logo Sticker
• Logo License Plate Frame
• Hot Shot’s Secret Fuel Additive
• Logo Ice Scraper
• Classic Candy Cane & Assorted Candy
- Perfect for the diesel fan in your life!

We build in-house, and offer drop-in ready Performance Transmissions designed for heavy towing or high horsepower performance. Using industry-leading parts, we focus on strength, reliability, and durability to handle whatever you throw at it.
• Perfect for heavy-duty use or chasing more power
• Offering up to a 3-year / 150,000-mile warranty

Reach out to learn more – let’s get your truck ready for the road!

Another Banks Monster-Ram Install Complete!

We upgraded this Ram with the Banks Monster-Ram Intake System and Grid Heater Delete – a must-have for performance and reliability:

✅ 133% more airflow – your engine breathes better
✅ Eliminates grid heater issues – no more failure-prone bolts
✅ Lower EGTs – perfect for towing and heavy loads

Back-to-back fuel system replacements on 6.7L Powerstroke Diesels! Upgrade your fuel system today! If your vehicle has a CP4 injection pump, regardless of the make or model, we offer a variety of solutions. From prevention filters to pump conversions, we’ve got you covered. Let us take care of your fuel system needs—reach out today for more information!