Description
GUIDE PIN KIT – WABCO MAXX22T CALIPERS
PART NUMBER(S):
Fleet Products: FPK30257 (New) | OE: 6402229282, 640-222-928-2, S-35303-4, S353034, 100.A1777HM.10 | Automann: RAD30257
DESCRIPTION:
Model: WABCO MAXX22T
Engines: N/A
Vehicles: Hendrickson INTRAAX L/S and VANTRAAX L/S trailer axles with MAXX22T calipers
• Kit Type: Guide Pin Repair Kit
• Caliper Type: WABCO MAXX22T (Mono-block design, single-piston, air disc)
• Compatible Calipers:
– FP6402220050WC-G (MAXX22T, LH)
– FP6402220060WC-G (MAXX22T, RH)
– FP6402220050WCX (MAXX22T, LH)
– FP6402220060WCX (MAXX22T, RH)
• Kit Contents:
– Guide pins, bushings, guide pin boots
– Mounting bolts, screws, metal caps, plug
• Technology: Sealed guide system for corrosion protection
• Product Category: OE-spec trailer caliper repair kit
Applications:
Specifically designed for heavy-duty trailers equipped with WABCO MAXX22T air disc brake systems on Hendrickson axles. Commonly used on Utility, Great Dane, and Wabash trailers. Supports long-term caliper performance by restoring proper slide pin movement.
CROSS-REFERENCE(S):
30257, 6402229282, 640-222-928-2, S-35303-4, S353034, 100.A1777HM.10, RAD30257A 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 Hendrickson trailer axles with WABCO MAXX22T calipers
✔ Replace both guide pins and bushings during service for optimal performance
✔ Clean and prep the caliper mounting surface; ensure it is flat and free of corrosion.
✔ Lubricate all moving components with included grease
✔ Mount components and torque fasteners to OE specifications (refer to WABCO service documentation)
✔ Turn the adjuster COUNTER-CLOCKWISE until the brake pads just contact the rotor (do not over-tighten).
✔ Then turn CLOCKWISE 1/4 turn to set clearance.
✔ Confirm system air pressure is between 100–120 psi.
✔ Block and secure wheels to prevent any movement.
✔ Depress the emergency brake release button on the dash to release spring brakes.
✔ Only after the wheels are secure and spring brakes are released should you proceed with caliper adjustment.
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
• Canadian-owned since 1985• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
Warranty Information
