Description
TYPE 50 MAXI COMPLETE KIT – HALDEX STYLE – NEW
PART NUMBER(S):
Fleet Products: 5040520 (New) | Replaces OE: Haldex: M5040520, RN21AF, MIDRN-21AF
DESCRIPTION:
Model: Haldex-Style Maxibrake Type 50 Complete Repair Kit
Vehicles: Heavy-duty trucks, tractors, and trailers using compatible Type 50 Maxibrake spring brake chambers
Kit Includes:
• (2) Intrile O-rings
• (2) Rubber seals
• (2) Nylon push rod guides
• (1) Push rod guide
• (1) Snap ring
• (1) O-ring guide
• (1) Top cap
• (1) Holding ring
• (1) Holding ring with screw holes
• (1) Gasket
• (1) Red plug
• (1) Black plug
• (2) Filters
• Shop supplies: Screws x18, Bolts x20
• Replaces worn sealing, guiding, filtration, and retaining components during compatible Type 50 chamber service
Applications:
Designed for compatible Haldex-style Maxibrake Type 50 spring brake chambers requiring complete internal service. The kit supplies sealing, push rod guidance, filtration, retaining, housing, and installation hardware for chamber reassembly.
CROSS-REFERENCE(S):
5040520, M5040520, ZZM5040520
A cross-reference listing means that this part is functionally equivalent to the referenced numbers and may be used as a direct replacement.
IMPORTANT INSTALLATION NOTES:
✔ Spring brake chambers contain a high-energy power spring. Service only by trained technicians using the chamber manufacturer’s approved procedures and restraining equipment.
✔ Confirm the chamber is a compatible Haldex-style Maxibrake Type 50 assembly before disassembly.
✔ Inspect the housing, push rod, mounting surfaces, and retaining areas for corrosion, cracking, or deformation before rebuilding.
✔ Clean all reusable components and lubricate new seals only with an approved brake-system lubricant.
✔ Install all retaining hardware and housing fasteners to the chamber manufacturer’s specified sequence and torque, then perform a complete leakage and operational test.
Warranty Information
