Description
FPKMAXXUS – MAXXUS CALIPER MAJOR REPAIR KIT – NEW
PART NUMBER(S):
Fleet Products: FPKMAXXUS (New) | Replaces OE: WABCO: 81508226038, 6403226504, 6401759202, 17070, 640-322-926-2, 640-322-938-2
DESCRIPTION:
Model: WABCO MAXXUS / MAXX 22 / MAXX 22L / MAXX 22T Caliper Major Repair Kit
Vehicles: Freightliner, Western Star, MAN TGS/TGX, Mercedes-Benz Arocs, and trailers with MAXXUS calipers
• Guide Pins: Ø37-38 mm with threaded stud
• Bushings: 3 pcs, Ø42 × Ø38 × 30 mm, Teflon-lined
• Guide Pin Boots: 2 large and 1 small
• Steel End Caps: 2 pcs, Ø42 mm
• Caliper Cover: with 6 × M8 × 16 mm screws
• Adjuster Housing/Shaft Assembly: with gear
• Adjuster Support Bridge / Lever Fork
• Needle Thrust Bearings: 2 pcs
• Small Ball/Roller Bearing: 1 pc
• Return/Adjuster Springs: 2 pcs
• Dowel Pins/Spacers: 2 pcs
• Sealing Set: 6 pcs, green/red tappet/head/shaft O-rings
• Rubber Plug: with seal
• Yellow Dust Cap
• Grease Packs: 2 high-temp brake grease packs
• Miscellaneous Small Retainers and Pinion Gear
Applications:
This major repair kit is used for WABCO MAXXUS, MAXX 22, MAXX 22L, and MAXX 22T air disc brake calipers on heavy-duty truck and trailer brake systems. It supports complete caliper overhaul when the housing is serviceable and replacement is needed for guide pin wear, bushing wear, sealing issues, adjuster service, or worn internal caliper components.
CROSS-REFERENCE(S):
CH3100, CT7872, KK10160, LRT6302, 17199, 30-3688, CT7640, CH3138, 0810 30204, 3.434.3829.0, 17610, 30-3461, CT7809, CH3169, 0810 30153, | Alcan: 4149, 4150
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Clean all bores and press bushings squarely before installing
✔ Lubricate all sliding components with supplied high-temp grease
✔ Torque M16 guide bolts to 180 N·m + 90° to WABCO specification
✔ Verify free caliper slide and perform adjuster self-test after reassembly
Warranty Information