Description
D6178AM / D6226AM HYDRAULIC ROTOR (REAR - 15.00" OD)
PART NUMBER(S):
Fleet Products: D6178AM (New) ABS version of D6157 | OE:
- PFC Brakes: 381.181.20, 381.181.30
- AIMCO: 5611
- Euclid: EGUD6157, E4243
- Gunite: D3312, D6145, R6145, D6178AM, D6222A, D6178A, D6157A, D6178A, D6178AM, D3312A, D6145A, D6226AM
- Webb: 54281P-65, WEB54281P
- AC Delco: 18A1218
- Bendix: 141608
- Bendix Formula Blue: E12589008, E12589006
- Meritor: R44141608, 23-122945-XXX
- Raybestos: 8547, 8547R, 8529, 8546
- NAPA: TWD-D6178AM, 880803, 86200
- Centric: 120.84003, 120.84001
- Navistar: ZBRD6178AM, 582029C1
- Freightliner: PFR38118120, PFR38118130, 1646770C1
- Blue Bird: 10028278
- Wagner: BD126394
- Volvo: GUND6178AM
- Dayton: 126178A
DESCRIPTION:
Model: Hydraulic Brake Rotor - U Shape (Rear, ABS)
Vehicles: Freightliner M2/B2 106/112 (2003-2018), Kenworth, Thomas C2 Bus, Mack Applications - Drive/Rear Axle
• Disc Outside Diameter (OD): 15.00" (381 mm)
• Overall Depth: 7.11" (180 mm)
• Brake Surface Width: 1.43"
• Minimum Wear Thickness: 1.32"
• Pilot Diameter: 9.50"
• Bolt Circle Diameter: 11.25"
• Number of Bolt Holes: 10
• Bolt Hole Diameter: 1.06"
• Disc Style: Hydraulic Disc, U-shape with ABS sensor ring
• Construction: Full cast, vented
• Surface Finish: Non-directional OE spec
Applications:
Is this rotor designed for your heavy-duty bus or truck? Yes, engineered for Freightliner M2 series, Thomas Built C2 buses, and select Mack vocational models, the D6178AM/D6226AM U-shape rotor ensures reliable hydraulic braking performance. Direct service replacement with integrated ABS exciter compatibility for commercial duty transit, school bus, and vocational truck fleets.
CROSS-REFERENCE(S):
381.181.20, 381.181.30, 8523, D6222, D6178A, D6178AM, D6226AM, D6226AM, GUD6178AM, ZBRD6226AM, DRM-D6226AM, AUT-153.126178A, 153.126178A, E-14572A, 10028278, 126178, 126178A, 2505097C1, E12517, E14574A, 1646770C1, PFH38118130
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all pilot diameters, bolt holes, and depth match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm bolt circle, pilot diameter, and overall depth match OE specs before installation
✔ Ensure ABS exciter teeth are clean and properly aligned with sensor pickup
✔ Torque bolts to OE specifications with calibrated torque wrench
✔ Clean all rotor surfaces with brake cleaner before pad installation
✔ Use only with hydraulic disc brake systems requiring 15.00" U-shape rotors
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Warranty Information
