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Mad River
Motors
Your Community Auto Specialists
Full-service auto repair, diesel specialist, and collision repair — all under one roof. We treat every vehicle like it’s our own, at prices that make sense.
Call Us Today
1777 Sutter Road
McKinleyville, CA 95519
Full Auto Service
Diesel Specialist
Collision & Body Work
Three Shops.
One Roof.
From your daily driver to your diesel work truck to collision repair — Mad River Motors handles it all.
Full Auto Service
Complete mechanical service for all makes and models. From routine maintenance to complex engine work — we do it right.
- Oil Changes & Tune-Ups
- Brakes & Suspension
- Engine & Transmission
- Diagnostics & Electrical
- Tires & Alignments
Diesel Specialist
Expert diesel service for trucks, commercial fleets, and agricultural equipment. Best prices in Humboldt County.
- Diesel Trucks & Pickups
- Commercial Fleet Vehicles
- Agriculture Equipment
- Diesel Engine Repair
- Fuel System Service
Collision Repair
Professional body work and collision repair to restore your vehicle to pre-accident condition — inside and out.
- Collision & Accident Repair
- Dent & Panel Repair
- Paint & Color Matching
- Frame Straightening
- Insurance Claims Assisted
The Community Shop
We’re not a chain. We’re your neighbors — and we treat every customer that way.
Best Prices
Transparent, honest pricing with no hidden fees. We’ll beat any written estimate.
Expert Technicians
Experienced mechanics who specialize in diesel, mechanical, and body work.
Locally Owned
Proudly serving McKinleyville and all of Humboldt County since day one.
Free Estimates
Call or stop by — we’ll give you a straight answer on what your vehicle needs.
Request a Free Estimate
Tell us about your vehicle and what’s going on — we’ll get back to you fast.
Come See Us
1777 Sutter Road
McKinleyville, CA 95519
Mon–Fri: 8:00 AM – 5:00 PM
Sat–Sun: By Appointment
Send Us a Message
Fill out the form and we’ll contact you within 1 business day.
Full Auto
Service & Repair
Complete mechanical service for all makes and models in McKinleyville, CA.
Everything Your Car Needs
From a simple oil change to a full engine rebuild, Mad River Motors has the expertise and equipment to handle it all. We service all makes and models — domestic, import, gas, and diesel.
What We Service
Routine Maintenance
- › Oil & Filter Change
- › Tune-Up Service
- › Tire Rotation
- › Fluid Top-Offs
- › Battery Check
Major Repairs
- › Engine Rebuild
- › Transmission Service
- › Head Gasket Repair
- › Timing Belt/Chain
- › Cooling System
Safety & Comfort
- › Brake System
- › Suspension & Steering
- › AC & Heat Repair
- › Wheel Alignment
- › Electrical Diagnosis
Your Diesel Deserves a Specialist
Tired of dealership prices? Mad River Motors brings expert diesel knowledge to McKinleyville at prices that make sense. We service all diesel makes — Ford Power Stroke, Chevy/GMC Duramax, Dodge Cummins, and more.
All Diesel Vehicles
Trucks & Pickups
Ford, Chevy, GMC, Dodge, Ram — all diesel pickups and heavy-duty trucks.
Commercial Fleets
Fleet maintenance contracts available. Keep your business moving.
Agriculture Equipment
Tractors, combines, and farm diesel equipment serviced by experienced hands.
Restore Your Vehicle’s Look & Value
Whether it’s a minor fender bender or major collision damage, Mad River Motors has the skills and equipment to make your vehicle look like new again. We work with all insurance companies and offer free damage estimates.
Everything in Body & Paint
Collision Services
- › Full Collision Repair
- › Frame & Unibody Straightening
- › Panel Replacement
- › Bumper Repair & Replacement
- › Insurance Claim Assistance
Paint & Finishing
- › Full & Partial Paint Jobs
- › Computer Color Matching
- › Dent & Ding Repair
- › Rust Repair & Treatment
- › Clear Coat & Detail Finish