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Diesel Specialists of Madison, Inc.

"Pride In Excellence"

About Us

Diesel Specialists of Madison, Inc., in DeForest, WI, is the area's leading engine repair specialist serving Central and Southern Wisconsin since 1980. We offer diesel engine parts and components, engine repair, heavy duty diesel and much more. For more information, contact Diesel Specialists of Madison, Inc. in DeForest.

Areas Served

Central Southern Wisconsin

Our Professional Associations

What We Offer

Our Specialties include:

Our Services include:

Our Brands include:

Our Products include:


On 8/25/2023 Lynn Strong had this to say:
We are a small company in Iowa. I picked up a part after driving about 3 hours, the owners were so concerned about me and offering drinks and hospitality. They checked and double checked the part to make sure it was correct! It was! We are very satisfied! Thank you

On 8/11/2023 Ted Pertzborn had this to say:
Great guys, very helpful!

On 12/4/2022 Neil Lewman had this to say:
Great people.

On 11/30/2022 Reynaldo Guerrero had this to say:
Excellent 👍 Customer Service and great location

On 12/2/2021 Gary McMullen had this to say:
On short notice, they had all the parts we needed. Very friendly and easy to work with.

Contact Us

Diesel Specialists of Madison, Inc.
6129 Highway 51 DeForest, WI 53532
Phone: (608) 249-6010
Fax: (608) 249-6756

Intersection of I-90 and Hwy 51

Where To Find Us

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Payment Types Accepted

Cash, Checks, Discover, MasterCard, Visa, American Express

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM


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