Description
FP1141 - AUTO SLACK ADJUSTER - 28 SPLINE - 1 1/2" - 6" (DRIVE AXLE)
PART NUMBER(S):
Fleet Products: FP1141 (New) | Replaces OE: Freightliner 76401-3509, 764013509, 76401-0100, GUNAS1041, GUNAS1141, GUNSA10203 | Ford E9HT2314AA, F8HT2314BA, F2HS2308DA | Dexter 055-040-04, 5504004 | Dorsey Trailer 1191037 | Fruehauf ACF004205828 | Great Dane Trailer 42521 | Mack 25QD51P3, 3398AS1041, 3398AS1141 | Navistar (IHC) 3820002201, ZBRAS1041, ZBRAS1141 | Strick R21097004 | Trailmobile 4017A23665 | Volvo 1090340, 3515064, 3947849, 764010100, 8060858, 8084131, 8084132, 85100222 | Wabash Trailer 10600055, 10600361 | Gunite AS1001, AS1041, AS1141, AS1150, AS1151, AS1166, SA00502, SA02201, SA03602, SA04803, SA07003, SA07103, SA07203, SA08103, SA08403, SA10203, SA10213, SA10503, SA11303, SAS1055, SAS1057, SAS1058, SAS1062, SAS1141 | Dayton 05762, 05-462, 05-562 | Euclid E10781A, E11402, E11421, E15025, E070K, E146K, E149K, E167K, E234K, E235K, E241K, E6904, E6918, E6925, E6942, E6943, E6993 | Haldex 40010067, 40010140, 40010144, CS56004, CS56041, KN44051, KN52210, KN52211, KN52212, KN52213, KN52214 | Meritor R801071, R801074, R801075, R801087, R801102, R802069, R802481, R802482, R802483, R802486, R802487, R802490, R802491, A283275M1079
DESCRIPTION:
Model: Automatic Slack Adjuster
Vehicles: Compatible with various heavy-duty commercial vehicles and trailers
• Spline Count: 28
• Camshaft Diameter: 1 1/2"
• Arm Length: 6"
• Mount Type: Straight Arm
• Clevis Type/Thread Size: 1/2" pin hole, straight
• Mounting Offset: 0°
• Piston Color: Yellow
• Brake Type Compatibility: Drum Brake
• Material: Forged steel
• Lubrication: Zerk fitting
• Body Angle: 0°
• Includes Installation Template
• Clevis Assembly Included
CROSS-REFERENCE(S):
M16WR1332, 25QD415, 25QD51P3, 25-QD-354, 138.2830, 1141P, 51141P, 5034, 5462, 65175, 65176, 289312, 289313, 289933, 289934, 101628, 102113, 102114, 106201, 106929, 107101, 107127, 107994, 40501501, A41-3275-Z-1144, A103275N716S, A113275N716S, A163275B600S, A163275N716S, A881141, A-14768, ATPB889, ATXB889, B889SS, BHS-B889, CB22006, CB22103, CB22104, CB42106, CP5034, CS141, CS-52321, FLTAS1141, GTSB889, GUAS1141, GURAS1141, M3368, MK22103S, MPGS-B889, OTR51141, PROSA1141, PSAS1141, SB889, TFAS1141, VIPAS1141
IMPORTANT INSTALLATION NOTES:
✔ Install strictly according to OEM torque specs and procedures
✔ Use correct clevis with 1/2" pin—ensure proper pin engagement
✔ Arm must be aligned straight and zerk fitting accessible
✔ Lubricate if required; inspect during routine brake checks
✔ Confirm initial adjustment and periodically check auto-adjuster performance
✔ Brake imbalance or failure may occur from incorrect install or mismatch
Warranty Information
