TRIANGLE SPRING Freightliner Front Leaf Spring Part No: 46-1406

The Triangle Spring 46-1406 is built for front axle applications in Freightliner heavy-duty trucks from the mid-1980s through the early 2000s. It features a 2-leaf, full-taper design with a 4-inch width, 5.375-inch arch, and 6,000 lb capacity for superior suspension performance. Each spring includes RB-233 rubber bushings for direct OEM-style replacement and long-lasting durability. With a 2.8125-inch pack thickness, it restores ride height, steering control, and load balance—ideal for maintaining consistent suspension performance in demanding commercial use.