Michigan Truck Spring is an accredited business with the BBB.
Turn Signal Switches
Our replacement turn signal switches for Ford heavy duty trucks are built tough to last long.
We stock several turn signal switch replacements for Freightliner heavy duty trucks.
Browse our wide variety of replacement Kenworth turn signal switches for heavy duty trucks.
We supply quality replacements for Mack truck turn signal switches.
We carry quality Navistar turn signal replacement switches for heavy duty trucks.
You can count on the quality of our Peterbilt turn signal switch replacements.
We offer a variety of replacement turn signal switches for heavy duty Volvo and GM trucks.
You can rely on our replacement Western Star turn signal switches.
Our universal turn signal switches can be fitted into any heavy duty truck.
Turn Signal Switches

All Makes. One Source.

Our turn signal switches feature modular plug-in harnesses that allow OEM replacements without rewiring for virtually every heavy duty vehicle make.

They are highly reliable, having survived over one million cycles and proven cost effective under actual driving tests.

  • Exceeds class A, SAE, QQC, and FMVSS108 specs
  • Heavy Duty unitized construction
  • Positive detent for better "driver feel" when signalling
  • Heavy Duty Hazard tab for long life and reliability in 4-way
    flasher operation.
  • Integrated stop lamp circuitry
  • Durable long-lasting contacts for longer life
  • Handle lift-to-dim high/low beam selector
  • Integral mounting bracket provides a sturdy assembly
  • Grease-free contact area
  • Optional mounting brackets to fit all steering columns
  • Optional Handle styles
Welcome to Michigan Truck Spring & TruckSpring.com

Since 1926, Michigan Truck Spring has been installing and using the same high quality truck parts that you'll find on our website. In fact, we install everything we sell, and have been selling online as TruckSpring.com since 2001.

Whether you're looking to overhaul your truck suspension, or make a minor repair, our mission is simple - to make sure you have the quality parts you need, and to become your trusted source for truck parts.

Located in the heart of the Midwest, Michigan Truck Spring employees are trained technicians in truck parts and repair. We're here to help, whether it's selecting the right product for your vehicle, an installation question, or a maintenance question, we'll help you through your project. We work hard to make sure you get the right parts for the job. You won't find a company more passionate about truck parts than Michigan Truck Spring.