After Hours Emergency Service Available

Call our Toll-Free Line: 1-800-468-6332


4000 Stecker Street
Dearborn, MI 48126

Get Directions

42.3199, -83.1481

About our Location:

A member of the WheelTime Network, we pride ourselves on delivering exceptional customer service and professional work. Our mechanics are committed to getting the job done right and getting your car or truck back on the road.


4000 Stecker Street
Dearborn, MI 48126

Get Directions

42.3199, -83.1481


Monday - Friday
7:00 AM - 5:00 PM
Saturday & Sunday


On-Site Amenities

  • Driver's Lounge
  • HD Televisions
  • Free Coffee
  • Free Wi-Fi

Payment Forms Accepted

  • Mastercard
  • Visa
  • American Express
  • Money Orders

Get To Know Us:

Find our location by taking exit 210 off Interstate 94, head east on Michigan Avenue and south on Stecker Street. Our mechanics, friendly service advisors and staff are ready to address your vehicle and equipment needs in any of our 16 working bays. Ask about our parts delivery for all makes and models, as well as our A/C parts and service for transit vehicles. Your comfort matters to us – relax in our drivers lounge with free coffee and WiFi access.


We proudly represent top industry manufacturers and brands, including:


The work performed at W.W. Williams is impressive. I like that they keep me updated during the entire repair. 

Manager Stone Transport

When you buy parts anywhere else, they only care about you while you purchase the part, but not at W.W. Williams. I asked them questions about other stuff and they were very helpful and explained everything to me, even though it had nothing to do with the parts I was purchasing. 

Trucking Company Truck Parts

W.W. Williams was very quick. They diagnosed my truck and turned it around very quickly. They were able to get to the bottom of the problem. 

Independent Truck Driver Truck Repair

I have been in the business for 5 years and W.W. Williams has always done a great job for me. I have no complaints.  

Trucking Company Detroit Diesel Truck Service

W.W. Williams gets us the parts we need, they are good people to work with, and are very knowledgeable. 

Truck Repair Shop Truck Parts

W.W. Williams got me in quickly, had the problmen taken care of in a timely manner, and the price was reasonable. 

Vice President RJM TRUCKING

Every time I go to W.W. Williams with a problem, they find a solution. There have been times where other shops have not been able to find a solution, but as soon as I went to Williams they were able to fix the issue. 

Owner/Operator ZEIN X-PRESS

W.W. Williams did a great job. The work was done correctly and at a fair price. They even had it done the same day. 


It was my first time at W.W. Williams and they were very nice to me. They also knew what they were doing. 

Owner/Operator Truck Parts

W.W. Williams employees are very nice people to work with and they normally have the parts in stock that we need. 

Trucking Company Truck Parts

I recommend W.W. Williams because they are professional and have experience and knowledge about what I need. 

Freight Hauling RV Parts

W.W. Williams has good service and always help me out. 

Trucking Company Truck Parts

The service from W.W. Williams was good and I had a very short wait time. 

Transportation Company Truck Service

I admire the professionalism of W.W. Williams and they meet my expectations. As someone who continuously will check on things, they have no attitude problems when I call. They even thank me for calling. This is really big these days because when I constantly call other shops I can tell when they sound bothered. I was so impressed by W.W. Williams I sent a letter to their Corporate office to let them know how much I appreciate the customer service of this shop. 

Surgery Center Generator Service

W.W. Williams was very professional. We were in the Toledo area but that location didn’t have a tech versed in our equipment so they referred us to Dearborn. They went above and beyond to help me get my equipment fixed. We called them at 3pm and their tech came out and stayed very late to make sure the machine was up and running. They were very knowledgeable and I was extremely satisfied with all the work they did. 

Construction Rental Company Off-Highway Service

W.W. Williams service is good, their location is convenient, and their staff are knowledgeable.  

Diesel Engine Manufacturer Truck Service

As soon as we call W.W. Williams for assistance, they are right on top of the work. They do a very good job for us and they are also very creative with figuring out new ways to fix our equipment. 

Amateur Radio Club Generator Service

W.W. Williams gives good, quick service at a fair price, and their staff is friendly and smiley. 

Trucking Company Generator Parts

Truck & Vehicle Repair & Service

We understand the priorities of today's drivers: uncompromised safety, maximum uptime, and honest service. Whether you drive a long-haul truck or a school bus, we've got what it takes to get you back on the road. At our Dearborn location, we offer the following services for trucks, trailers, commercial vehicles & equipment:

  • Diesel Engine Service & Repair
  • Transmission Service & Repair
  • Bumper to Bumper Service & Repair
  • Cab Climate Control Parts & Service
  • Preventative Maintenance

Power Generator Service & Sales

W.W. Williams Dearborn doesn’t only provide excellent service; we are also sales and repair experts for world-class power generation products from mtu. Whether it’s on-site repairs, mtu parts or a brand new power solution – Consider It Done. Contact us today via phone, email or in person to discuss your specific needs.

  • Backup Generator Service & Repair
  • Backup Generator Sales
  • Continuous Power Generator Service & Repair
  • Continuous Power Generator Sales

Diesel Engine Repair, Service & Sales

W.W. Williams is widely known for the advanced skills of our diesel mechanics. We are partners with Detroit Diesel, mtu, Isuzu, and Yanmar - offering sales, parts, and service support. Our locations service all makes and models - if it's a diesel engine, our mechanics can fix it. Class 8 trucks, medium-duty trucks, vans, buses, and RVs, even heavy construction equipment and marine engines - if you need diesel engine repair or service, Consider It Done.

  • Maintenance
  • Diagnostics
  • Repair
  • Engine Rebuilds
  • Engine Sales
  • Replacement Parts

Marine Engine Repair & Service

From work boats and tug boats to pleasure crafts and yachts, W. W. Williams Dearborn is fully equipped to handle all of you marine engine needs.

  • General Maintenance
  • Tune-Ups & Troubleshooting
  • Overhauls
  • Electronic Controls
  • Vessel Repowers
  • Service & Repair for All Makes & Models

Emergency Vehicle Repair & Service

We help emergency responders minimize vehicle and equipment downtime, control costs and get the to next alarm safely. Our EVT certified technicians give priority service to emergency vehicles. Whether you need a replacement part, engine repair, or 10,000 feet of hose—Consider it Done.

  • Bumper to Bumper Apparatus Service & Repaire
  • Engine Service & Repair
  • Transmission Service & Repair
  • Emergency Equipment Service & Repair

Commercial Vehicle & Truck Parts

Rely on the experts at W.W. Williams for the parts you need to keep your trucks and commercial vehicles running. We are an authorized reseller for:

  • Allison Transmission
  • Detroit Diesel
  • Isuzu Diesel
  • Mercedes-Benz Engines
  • mtu
  • Northern Lights
  • Weller Transmission
  • Yanmar

Fleet Maintenance Management

From a single truck or trailer to a fleet of thousands, W.W. Williams Dearborn knows how to manage your fleet. Our turnkey solutions will improve fleet uptime, reduce risk, and help you control and manage costs.

  • Bumper to Bumper Service & Repair
  • Customized Fleet Maintenance Schedules
  • Fast Response Field Service Trucks
  • All-Makes Parts Inventory
  • Real-Time Repair Tracking Dashboard
  • National Service Network

Solutions for the Whole Truck & Trailer

Any make. Any model. Any year. Consider It Done.

WheelTime Promise

Get It Done Right, The First Time.

W.W. Williams is a member of the WheelTime Service Network, a network of service locations across the US and Canada dedicated to getting you back on the road in the shortest possible time.

The Wheeltime Promise
  • Initial assessment within two hours of arrival
  • Completed repairs in the fastest time possible
  • We will meet the cost estimate given
  • We will meet the time estimate given
  • We will notify you within 30 minutes after last labor
  • We will do it right, the first time