Product Description
FP801073 - AUTO SLACK ADJUSTER - 28 SPLINE - 1 1/2" - 5 1/2" (DRIVE AXLE)
PART NUMBER(S):
Fleet Products: FP801073 | OE: A35-3275-Z-1144, 3946257, 3947646 | Automann: 139.2831
DESCRIPTION:
Model: Automatic Slack Adjuster – Straight Arm
Vehicles: Compatible with heavy-duty drive and trailer axle drum brake systems
• Spline Size: 28 teeth
• Camshaft Diameter: 1 1/2"
• Arm Length: 5.5" (center-to-center)
• Mount Type: Straight arm (0° body angle, 0" offset)
• Mounting Hole Center Distance: 5.5"
• Clevis Type/Pin: 1/2" pin hole
• Brake Type: Drum brake
• System Technology: Automatic, self-adjusting with pull-pawl mechanism
• Material: Forged ductile nodular iron
• Lubrication: Factory lubricated, zerk fitting (180° straight)
• Heat-treated internal gears, drilled worm wheel
• Unhanded design
• Long-stroke compatible
• Meets SAE J1461 standards
• Unique Identifiers: Red piston (per Meritor A35-3275-Z-1144), flat stud with anchor bracket plate, hex nut, O-rings/gaskets
• Chamber Compatibility: Type 24/30 (16.5" drums)
Applications:
Designed for use on drive axle and trailer axle positions of heavy-duty trucks and trailers with drum brake systems requiring 28 spline, 1 1/2" camshaft diameter, and a 5.5" straight arm adjuster. Common in Freightliner, Ford, Volvo, International, Thomas Built Buses, and more. Interchangeable with OE and aftermarket units in North American commercial fleets.
CROSS-REFERENCE(S):
801073, R801073, A35-3275-Z-1144, R803109, R803110, R801072, R802462, R801070, A413275Z1144, A323275H1152, A283275H1152S, E11401A, E11401, A28-3235H1152S, E-11401, TDAR801072, 8235-R803110, OTR-801073, 2018-227-C, 2018227C, 4C4Z2041DA, ABP N42AS, FLTR801073, TDA R801073, TDA R803109, TDA R803110, TDAR801073, RFR801073, GTPR801073, GTS23558, R801073C8T, R801073HTP, PSR801073, TF R801073, VIPR801073, ATP23558, ATX23558, MPGS-23558, 23558SS, S R801073, RORR801073, ROR-R801073, 13ASM1073, AM1392832, AM1392833, E-11400, E-11404, E-11417, E-11418, FC01073, MK22102SW, TBB61130976, 286954N, A3275X55114428, E1140, WA1140, S-21240, 400-10211, AS1140, FL1140, 014140, PA1140, 05-1140, 621140, TTP1140, TR1140, 1140, WA286954N, 133.284, 133.2840, 400-10211C8T, 400-10211HTP, 400-20211, E6944, MD40010211, S23854, 409-10471, WA 10211, PROSA56211, FP400-10211, 05-668, 10211, 10211P, 23854SS, 3513974, 3946257, 40010211, 40010211M1D, 40020211M1D, 409-10236, 409-10237, 409-10386, 409-10398, 409-10430, 409-10683, 40910471, 40910683, 410211P, 42710563, 539640010211, 670-S23854, 808138, 813648, 818141, 86019, A86019, AM1332840, ATX23854, EM50430, FC10211, FLT40010211, HA40010211, HAL-40010211, HAL40010211, HDX 40010211, HDX 40020211, K043197, L3609, L3618, M-4065, M807019, MD40020211, MID40020211, MIR-400-10211, MIR40010211, MPGS-23854, MSA40010211, PL-10211, PS400-10211, R806019, R806019A, RB-10211, S 400-10211, S-23854, SA10211, SCSA10211, TDA R806019A, TF 400-10211, VTC-38542, VIP400-10211, WBA07135A, ZZ40020211
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 specifications
✔ Use compatible clevis and pin size (1/2" pin)
✔ Ensure straight alignment and accessible zerk fitting
✔ Torque per manufacturer specs during install
✔ Verify initial adjustment and function before road use
✔ Inspect regularly for wear or malfunction
✔ Lubricate if not sealed; confirm factory lube or maintenance schedule
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
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
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