Description
FP1132 - AUTO SLACK ADJUSTER - 10 SPLINE - 1 1/2" - 5 1/2" (DRIVE AXLE)
PART NUMBER(S):
Fleet Products: FP1132 (New) | Replaces OE: Freightliner 76401-3505, 6814205738, 764013505, GUNAS1032, GUNAS1132, GUNSA09902 | Mack 25QD51P2, 3398AS1032, 3398AS1132 | Navistar (IHC) ZBRAS1032, ZBRAS1132, 1675229C91, 1694315C91 | Peterbilt 10480701, 306008 | Volvo 1090342, 20527305, 3918358, 3936096, 3947847, 764010134, 764013805, 8060851, 8084129, 20714911, 22215414, 3946757 | Western Star 764013455, 764013498, 764013505 | Bendix K041870 | Gunite AS1019, AS1032, AS1132, AS1146, AS1156, SA02104, SA02401, SA06402, SA09902, SA11202, SAS1049, SAS1132 | Euclid E15016, E-15016, E11398, E14410, E108, E6992 | Haldex 400-10005, KN52230, KN52230A, KN52230X | Meritor R801041
DESCRIPTION:
Model: Automatic Slack Adjuster – Drive Axle
Vehicles: Compatible with drive axle drum brake systems on heavy-duty commercial trucks
• Spline Size: 10 Spline
• Camshaft Diameter: 1 1/2"
• Arm Length: 5.5" (center-to-center)
• Mount Type: Straight Arm
• Mounting Offset: 0°
• Clevis Thread Size: 1/2" diameter, 20 TPI
• Piston Color: Red
• Brake Type: Drum Brake
• Chamber Size Compatibility: Type 16
• Body Angle: 0°
• Performance Specs: >45 in-lbs max torquel
• Lubrication: Zerk fitting
• Installation Style: OEM replacement for Meritor A6-3275-Z-1144
CROSS-REFERENCE(S):
Dana / Spicer 974294, M16WR1333, 25QD51P2, 25QD260M2, 25QD410P2, 25-QD-261-P6 | Automann 138.1011, 1381011, AM1381011 | Dayton 5361, 05761, 05-461, 05-761 | Sirco Brake SA1132 | Stemco MK41100S | Other 00-20106, 03-06008, 10480701, 106195, 1132P, 133.1031, 201-06, 3398-AS1132, 5031, 65170, 681-420-5738, 76401-0134, 76401-3455, 76401-3498, 76401-3805, 808124, 808140, 818222, ABPN42ASAS1132, AM1331031, AS1132AM, BHS-B888, CB21102, CB41100, CS132, CS-52316, CS-56006, CS56032, FLTAS1132, GUNAS1132, GUNASA02110, GUNASA02111, GUR-AS1132, M-3369, M3369, OTR51132, PL-1132, RB-1132, S-B888, SA-1132, SB888, TFAS1132, AS1132C8T, MPGS-B888, ATXB888, AS1132-RC, GTPAS1132, ATPB888, B888SS, VIPAS1132, AS1132HTP, GTSB888, PSAS1132, WA10142, WA1132, WA286962N, A10SJ100, 10-400-10142, 409-10316, 409-10731, R-803132
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 to ensure proper brake function and safety
✔ Use only compatible clevis and pin sizes – typically 1/2"
✔ Mount arm straight and ensure Zerk fitting is accessible
✔ Follow torque specs and stroke adjustment procedures during install
✔ Grease if model requires it; some variants are permanently lubricated
✔ Confirm correct initial setup; inspect periodically for wear, slack adjuster function, and spring integrity
✔ Improper installation may lead to brake failure, imbalance, or premature wear
Warranty Information