Product Description
MA15690X – MAXIBRAKE 50-SERIES SPRING BRAKE (8.00" PUSH ROD)
PART NUMBER(S):
Fleet Products: MA15690X (Remanufactured) | OE: MA15691, KSC50HBBC-800NN
DESCRIPTION:
Model: MA15691
Vehicles: Air-brake equipped trucks, trailers, and buses
• Maxibrake 50-Series spring brake chamber
• Service chamber size 50
• 8.00-inch push rod length
• Steel housing construction
• Nylon piston and push rod bearing
• Packing cup piston seals
• Dual-piston design for spring and service actuation
• Operating pressure rated to 150 PSI
Applications:
What does this spring brake fit? It's engineered for air-brake equipped highway tractors, trailers, and buses using a 50-series spring brake with 8.00" push rod. Designed to deliver parking and emergency brake function in Haldex Maxibrake configurations.
CROSS-REFERENCE(S):
8W3956, M6006589, MA15691, KSC50HBBC800NN, KSC50HBBCS45013, 5396-MA15691, 767653016832, HDX MA15691, KSC50HBBC-800NN, KSC50HBBC45013, MBIMA15691, MIDMA15691, KSC50HBBCS45009, ZZMA15691
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Follow official installation manual due to high internal spring tension
✔ Confirm 8.00" push rod length matches existing hardware before replacement
✔ Torque all mounting brackets and bolts to OEM specifications
✔ Disconnect air pressure and chock wheels before removal
✔ Use RN21AF (M5040520) kit for seal and service replacement
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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