Skip To Content

Specifications

The Automann Eye Casting M1640 is engineered to provide dependable support for the rear air-leaf suspension system of Peterbilt trucks, including the 379 model. Featuring a 4.0-inch spring design and weighing 6.87 lbs, this component is built to meet fleet standards for durability and performance. It ensures consistent stability, even under heavy-duty and demanding road conditions, reducing wear on the suspension system. Perfect for replacements or upgrades, the M1640 Eye Casting delivers long-lasting reliability and optimal performance, helping maintain the efficiency and safety of your Peterbilt truck.
  • Air Leaf
  • 4.0in Spring
  • Premium Version: M1640P
Weight
6.87 lbs

Compatibility

Peterbilt 357: 1986–2007
Peterbilt 378: 1986–2007
Peterbilt 379: 1987–2007
Peterbilt 388: 2006–2015
Peterbilt 389: 2006–present


Alternative Part Numbers

OEM: Peterbilt 03-03427

Automann M1640
Peterbilt 03-03427
Dayton Parts 3341817
Hendrickson S-21140
Meritor R307140

Related Parts

This website uses cookies to provide users the best possible experience. Learn more. Please also review our terms of use and terms of sale.