Heavy Duty Done Right

A family owned company serving Mid-Michigan, with years of experience remanufacturing diesel engines for hundreds of customers.

Call Now: (888) 435-8064

Remanufacturing Diesel Engines

Contact us today to have your engine remanufactured, or for more information about our remanufacturing process.


Shop our current inventory of remanufactured engines, engine kits, and parts.

We are here to help, 24/7 troubleshooting available! Engine questions? We have solutions!

We Supply All Your Heavy Duty Engine Needs

We supply HD Diesel engine parts. New, used and remanufactured parts. O.E. and O.E.M quality parts.

Engine Rebuild Kits



Cylinder heads



And much more!

Fisher Power Supply LLC

Fisher Power Supply LLC is a family-owned-and-operated company. We assemble all of our remanufactured diesel engines right here in the United States. Here at Fisher Power Supply LLC we do everything we can to ensure you a quick turnaround time. Our diesel technicians pay close attention to every detail involved with your engine from beginning to end.

With years of experience in this industry our owner and lead operator had seen an opportunity to build quality diesel engines as efficient as possible. In this industry we are one of the few companies that deliver exactly what we promise. We can assure you that your engine is in the best of hands. This business was built on honesty and integrity. We believe in doing things right the first time. That’s why our motto is “Heavy duty done right, right now!”

Why Choose Us

Quick Turn-Around Time

Very Knowledgeable

Excellent Customer Service

We ship nationwide!

Remanufacturing Services

Rebuild Cylinder Head(s)

Replace All Wearable Parts

Switch Over All Hard Parts

Test and/or Replace Injectors


Honesty is hard to find in a mechanic the days you won’t be sorry with the quality of work this company delivers. I highly recommend Fisher Power Supply.

Mike H.


If you truly want a custom re-built engine stronger than the original, look no further.

Kyle F.


Upstanding young man! Takes pride in his craftsmanship, and delivers a quality product! Don’t overlook this company!

Ken E.


Send Us a Message or Call (888) 435-8064

Fisher Power Supply, LLC: Your Diesel Engine Specialist

Engine Builders Association

Offering diagnostic solutions and troubleshooting 24-7. Call us today. We would love to help with all your heavy-duty engine needs!

Our Warranty Program

At Fisher Power Supply we work hard to ensure the quality of our workmanship and the products we use. We offer a 1-year unlimited miles/hour warranty on our all our remanufactured Diesel engines. For more information on our warranty program click here.