Description
55850 – HYDRAULIC 2-PISTON CALIPER (73MM BOSCH) – UNIVERSAL MOUNT
PART NUMBER(S):
Fleet Products: 55850 (New) | OE: E11756X, R55850, E14688010, 604912, 7115N, E-11756-SL, E55850, R42453216 | FPK26-786-01
DESCRIPTION:
Model: 73mm Diameter Twin Piston, Bosch Type
Vehicles: 1998+ Navistar 3000–49000 Series, Freightliner, IHC, Sterling, Thomas
• Piston Diameter: 73mm
• Piston Material: Phenolic
• Inlet Port: 7/16 – 24
• Coating: Zinc-coated for corrosion resistance
• Compatible Pads: D786 FPK26-786-01
• Unit Weight: 30.1 lbs
Applications: This caliper is a direct new replacement for Bosch-style 73mm twin piston calipers found on a wide range of medium- and heavy-duty trucks. Designed for high performance in demanding environments, its phenolic pistons reduce heat transfer and extend pad life. Universal fit for front or rear axles and includes zinc corrosion protection.
CROSS-REFERENCE(S):
158.155850, 2501838C91, 2501839C91, 2509254C91, 2593419C, 2611391C91, 4153216, 4153222, 55850, 55850Z0H, 55850ZOH, 604-912, 7115N, BEN-55850, BER-55850, BW 055850, BW 055850ZOH, BW 55850, BW 55850ZOH, BX55850, BXR55850, E-11756-SL, E11756, E11756SL, E14688010, E146880102, E14688010BXR, FLT308101, FLTC308101, FLTC30810155850, L55850, R424153216, R4255850, R42R55850, R42R55850BXR, RBT-FRC11173, RH55850, RH55850X, S-10131, WA24110, R42R55850, R424153216, E11756X, R55850, 604912, 55CL850, 14183, 8235R42R55850, BHRE14688010, BXE14688010, E146880101, EXE14688010, FLTC8101, ROR42R55850, TDAR42R55850, EXR55850, FRC11173, R424153216RI, RCFRC11173, TDAR424153216A 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:
✔ Confirm compatibility with existing mounts and hydraulic system specifications
✔ Use only compatible pads (D786) and ensure shim kit is installed
✔ Replace hardware as needed to ensure secure fit
✔ Follow proper torque specifications and hydraulic system bleed procedure
✔ Check casting number to ensure compatibility with 4153222, 2501838C91, and 2509254C91
✔ Can be installed on either left or right wheel positions, front or rear axle
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Warranty Information
