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, 4153222, 10-1170, 600-911, 4153222, 2501838C91, 2508254C91, 3518747C93, 47000204052 413, HC5060, 204774999, ASL0204774999, 8U9Z2B120AB, 4C4Z2B120MB, 4C4Z2B120MA, 4C4Z2190DA, 2509254C91, 2501838C91, 0204774999, 2593419C1
DESCRIPTION:
Model: 73mm Diameter Twin Piston, Bosch Type
Vehicles: Kenworth T170/T270/T300/T370 - 2002-2012 (Front & Rear) – 73 mm
Navistar 3000 Series - 1998-2008 (Front & Rear) – 73 mm
Navistar 3000 Series - 2009 (Front & Rear) – 73 mm
Navistar 4000 Series - 1998-2008 (Front & Rear) – 73 mm
Navistar 4000 Series - 2009 (Front & Rear) – 73 mm
Peterbilt 325/330/335/337 - 2008-2012 (Front & Rear) – 66 mm
Sterling Acterra - 1998-2008 (Front & Rear) – 73 mm
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, TDAR424153216, 55850, 4153222, 2501838C91, R55850, 600912, E11756SL, R55850E1, S10131, ZFC55850, E-11756-SL, E11756SL, R424153216, 2501838C91, 2059254C91, R55850E1, S-10131, S10131, ZJC558504153216, 600-912, 600912, FRC11173, A3263P1238, E11756, E11756SL, FRC11171, FRC11171N, W8000348
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:
âś” Confirm compatibility with existing mounts and hydraulic system specifications
âś” Use only compatible pads (D786) and ensure shim kit is installed
âś” Replace hardware as needed to ensure secure fit
âś” Follow proper torque specifications and hydraulic system bleed procedure
âś” Check casting number to ensure compatibility with 4153222, 2501838C91, and 2509254C91
âś” Can be installed on either left or right wheel positions, front or rear axle
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Warranty Information
