M1721 | Peterbilt Side Bar
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Side Bar | Peterbilt

SKU M1721

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4 In Stock as of 5/17/2021 3:56:47 PM EST.

Side bar M1721 for Peterbilt model 387, 4 inch spring. 5.80 inch length x 1.27 inch width x 1.75 inch height. Use with M5305 spring pins. Replaces Peterbilt part 204018 and 02-04018.

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Product Specs for Automann M1721

  • Application:Peterbilt
  • Dayton Number:338-341
  • Peterbilt Number:0204018, 02-04018
  • Note:Use with M5305 spring pins
  • MPN: M1721
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Automann M1721 Details

Customer Q&A - Automann M1721


Automann is premier global distributor and manufacturer of aftermarket truck and trailer chassis parts. Automann offers more than 10,000 products for heavy duty truck and trailers ranging from air brake & wheel to suspension components and just about everything in between.

Automann is headquartered in Somerset, NJ and operates a satellite west coast distribution facility in Ontario, CA.Formed in 1994 Automann has evolved into a leader in the heavy duty aftermarket. Automann is committed to the long term success of its distributors and continues to invest in expanding its product offering and improving its services.

At TruckSpring we have been working with Automann since their beginning. We stock a complete line of Automann heavy duty truck parts and have a great working relationship with Automann.

Automann Products Warranty

1 Year Limited Warranty

On all Automann products against defects in workmanship or material for a period of 1 year.

What the warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime.

How to get service

If an Automann product failure results from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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