Description
FP1133 - AUTO SLACK ADJUSTER - 10 SPLINE - 1 1/2" - 6" (DRIVE AXLE)
PART NUMBER(S):
Fleet Products: FP1133 (New) | Replaces OE: Freightliner 76401-3506, 764013506, GUNAS1033, GUNAS1133, GUNSA09903 | Fruehauf ACF004205810 | Hendrickson A15156 | Mack 3398AS1033, 3398AS1133 | Navistar (IHC) ZBRAS1033, ZBRAS1133 | Volvo 1090339, 3947846, 764010103, 8060850, 8084128 | Western Star 764013499, 764013506 | Bendix K041876, K041876BXW, 065172, 065172BXW | Gunite AS1000, AS1031, AS1033, AS1113, AS1133, AS1147, SA02101, SA02402, SA06403, SA09903, SA11203, SAS1050, SAS1133 | Euclid E15017, E-15017, E6936, E6991, E051, E11399 | Haldex 40020233, 400-10216, KN52200, KN52200X, KN-52200 | Meritor R801040, R801042 Meritor A24-3275-J-1154
DESCRIPTION:
Model: Automatic Slack Adjuster – Drive Axle
Vehicles: Compatible with a wide range of heavy-duty commercial trucks and trailers with drum brake systems
• Spline Count: 10
• Camshaft Diameter: 1 1/2"
• Arm Length: 6" (center-to-center)
• Mount Type: Straight arm
• Mounting Hole Center Distance: 6"
• Clevis Pin Size: 1/2"
• Mounting Offset: 0" (non-offset design)
• Brake Type: Drum Brake
• System Type: Automatic, self-adjusting
• Material: High-strength forged steel
• Lubrication: Zerk fitting
• Body Angle: 0°
• Color Indicator: Red piston
Applications:
Designed for drive axle applications on commercial vehicles requiring a 10-spline, 1 1/2" cam, 6" straight arm slack adjuster. Engineered for automatic self-adjustment in air brake systems. Ideal for use where OEM reference A24-3275-J-1154 or equivalent slack adjusters are specified. Provides consistent brake function, minimized maintenance, and enhanced system safety.
CROSS-REFERENCE(S):
Dana / Spicer 974295, M16WR1331 | Dexter 055-011-05, 5501105 | Automann 138.1030, 1381030, AM1381030 | Dayton 05-460, 05760 | Sirco Brake SA1133, SIR-SA1133 | Stemco MK41106S | Other 1133, 1133P, A24-3275-J-1154, ACA-0966A700, 10010800, 136.1030, 138.103, 3398-AS1133, 5032, 5396-CS52315, 76401-0103, A-8651, A8651FUL, AM1361030, AS-1133, CB21103, CB41006, CS133, CS-52317, CS-56003, CS56033, FULA8651, GUNAS1133, GUR-AS1133, M3367, S-A669, SA1132, SA669, E1133, WA1133, WA286961N, S-21233, FL1133, 014133, PA1133, 05-1133, 621133, TTP1133, TR1133, ATXA669, AS1133-RC, GTPAS1133, ATPA669, A669SS, VIPAS1133, AS1133HTP, GTSA669, PSAS1133, TFAS1133, BHS-A669, MPGS-A669, AS1133C8T, GURAS1133, SS-A669
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Always install per OEM and manufacturer instructions
✔ Use only compatible clevis and 1/2" pin sizes
✔ Confirm arm orientation is straight and zerk fitting is accessible
✔ Torque to spec and verify self-adjustment calibration
✔ Periodic inspection recommended for proper function
✔ Lubricate if not sealed — check for zerk fitting presence
Warranty Information