Description
AIR DISC CARRIER – MAXXUS (LH, TRUCK, 12° MOUNT)
PART NUMBER(S):
Fleet Products: FP2553 | OE: 6403220650, 6403221040, 6403220500 | Automann: 158.6403220650
DESCRIPTION:
Model: Wabco MAXXUS (LH Carrier Only)
Engines: N/A
Vehicles: Freightliner Cascadia (2018+), Coronado (2020+); Western Star 49X, 57X
• Mounting Angle: 12°
• Mounting Style: Radial mount carrier, standard or bottom mount
• Compatible Calipers: FP6403220500WC-G, FP6403220500WCX, FP6403221040WCX, FP6403221050WCX
• Rotor Compatibility: 430 mm OD, 45 mm new, 39 mm min thickness
• ABS Integration: N/A (ABS ring not part of carrier)
• Bolt Pattern: 8 × M16 bolts
• Weight: ~24 lbs
Applications:
Used in Wabco MAXXUS LH caliper assemblies on 12° truck steer axles. Accepts both standard and bottom mount configurations. Designed for Class 8 vehicle platforms running MAXXUS air disc brake systems.
CROSS-REFERENCE(S):
6403220650, 6403221040, 6403220500, 158.6403220650, 2553
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Use only on LH 12° steer axles equipped with Wabco MAXXUS calipers
✔ Torque carrier mounting bolts to 280–310 Nm (207–229 lb-ft)
✔ Clean all mating surfaces before installation—must be free of rust, paint, and debris
✔ Inspect associated caliper and rotor components for wear before reuse
✔ Replace caliper guide pins and hardware if corroded or worn
✔ Do not modify or machine carrier; use only as provided
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Warranty Information
