This is a wear pad retainer plate on the up/down portion of the wheel lift by Miller Industries. It is bolted on by 3 bolts. This retainer plate fits the following wreckers: Vulcan 880/890, Modular 880/890, and 896/897. See Features for related hardware and Brochures for reference charts.
Related Hardware:
(3ea) 3/8"-16 x 3/4" Bolt (12-0400121)
(4ea) 3/8" Lock Washer (12-0400482)