The Wabco Maxxus left-hand disc brake caliper, part number 6403221040 or 640-322-104-0, is a genuine OEM Wabco component for heavy-duty disc brake systems. The Maxxus caliper is the left-hand (driver-side) unit in Wabco's air disc brake lineup, designed for commercial truck axle positions requiring disc brake service. Sourced directly from Wabco through Meritor, this is an OEM-grade caliper replacement. Pro Gear and Transmission carries genuine Wabco parts for professional fleet and shop buyers. Call us to confirm this caliper is the correct fit for your axle and brake configuration before ordering.
Features
Genuine OEM Wabco Maxxus disc brake caliper
Left-hand (driver-side) caliper application
Part number 6403221040, also referenced as 640-322-104-0
For heavy-duty commercial truck air disc brake systems
Sold by Pro Gear and Transmission
