Product Description
FP1141 - AUTO SLACK ADJUSTER - 28 SPLINE - 1 1/2" - 6" (DRIVE AXLE)
PART NUMBER(S):
Fleet Products: FP1141 | OE: A41-3275-Z-1144, AS1141, E6904 | Automann: 138.2830
DESCRIPTION:
Model: Automatic Slack Adjuster
Vehicles: Compatible with various heavy-duty commercial vehicles and trailers with drive axle drum brake systems
• Spline Count: 28
• Camshaft Diameter: 1 1/2"
• Arm Length: 6" (center-to-center, fixed)
• Mount Type: Straight Arm
• Mounting Hole Center Distance: 6"
• Clevis Type/Thread Size: 1/2" pin hole, straight
• Mounting Offset: 0° (no offset)
• Piston Color: Yellow (as per Meritor A41-3275-Z-1144)
• Brake Type Compatibility: Drum Brake
• System Integrity/Technology: Automatic (self-adjusting), clearance-sensing
• Material: Forged steel
• Lubrication: Zerk fitting (optional periodic greasing)
• Body Angle: 0°
• Weight: ~8 lbs
• Includes Installation Template
• Clevis Assembly Included
Applications:
Designed for drive axle drum brake systems requiring automatic slack adjusters with 28 splines and 1 1/2" cam diameter. Used widely across OE and aftermarket heavy-duty truck applications. Clevis and install kit included for streamlined replacement and maintenance.
CROSS-REFERENCE(S):
E6904, E6942, R802069, R801071, R801074, R801075, R801087, R802481, R802482, R802483, R802486, R802487, R802490, R802491, 101628, 102113, 102114, 106201, 106929, 107101, 107127, 289312, 289313, 289933, 289934, 65175, 65176, 2300, CB22006, CB22103, 52529, 808113, 808126, 808137, 808142, 808685, 808746, 809614, 810601, 810602, 813639, 813649, 815787, 815792, 815806, 815811, E070K, E146K, E149K, E167K, E234K, E235K, E241K, E6918, E6925, E6943, E6993, AS1041, E9HT2308B, E9HT2314AA, F2HS2308DA, F8HT2314BA, GUNAS1141, AS1001, ASA10203, SA00502, 40010067, 40010140, 40010144, 40910070, 40910093, 40910125, 40910146, 40910149, 40910167, 40910178, 40910225, 40910241, 40910288, 40910314, 40910343, 40910360, 40910397, 40910404, 40910405, 40910443, 40910457, 40910529, 40910552, 40910561, 40910566, 40910579, 40910615, 40910678, 40910732, 40910742, CS56041, CS56004, KN44051, KN52210, KN52211, KN52212, KN52213, KN52214, A103275N716S, A113275N716S, A163275B600S, A163275N716S, 764013509, 00-20115, AS1141, AS-1141, CB22104, CB42106, AS1166, CP5034, AS1150, 3398AS1141, PROSA1141, GUAS1141, MK22103S, A-14768, BHS-B889, E11402, FLTAS1141, A881141, 107994, 05-562, 05-462, 42521, 40501501, 4017A23665, 17A2314360, 1191037, 10600361, 10600055, 10000031, S-B889, AS1141C8T, 5462, MPGS-B889, ATXB889, AS1141-RC, ATPB889, B889SS, VIPAS1141, AS1141HTP, GTSB889, PSAS1141, TFAS1141, 25QD415, 25-QD-354, E15025, E-11421, CS-52321, KN-52210, 5034, M16WR1332, 25QD51P3, 1090340, 3947849, 8060858, 8084131, 85100222, 3515064, 51141P, 1141P, 76401-0100, 76401-3509, GUNAS1041, GUR-AS1141, GURAS1141, M3368, OTR51141, SA10203, SA1141, SB889
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:
✔ 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
✔ Suitable for drive axle drum brake systems only—do not use on steer or trailer axles unless verified
SOLD AS NEW
Brand new and ready to install, with OEM Grade Reliability
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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