Description
FP400-10215 - AUTO SLACK ADJUSTER - 10 SPLINE, 1 1/2" - 5.5"
PART NUMBER(S):
Fleet Products: FP400-10215 | OE: 400-10215, 40010215, A6-3275-Z-1144 | Automann: 133.104, 133.1040, 135.1040
DESCRIPTION:
Model: Automatic Slack Adjuster
Vehicles: Drive axle, drum brake applications
• Spline Count: 10
• Camshaft Diameter: 1 1/2"
• Arm Length: 5.5" (center-to-center)
• Mount Type: Straight Arm
• Mounting Hole Center Distance: 5.5"
• Clevis Pin Size: 1/2"
• Mounting Offset: 0" (straight, no offset)
• Brake Type: Drum Brake
• Piston Color: Red (per Meritor documentation for A6-3275-Z-1144)
• System Technology: Automatic (self-adjusting)
• Material: Forged steel
• Lubrication: Zerk fitting (optional lubrication)
• Body Angle: 0°
• Weight: Approx. 7.85–7.88 lbs
• Compatibility: Compatible with 16.5" brake assemblies (Type 24/30 inferred)
• Unique Features: Includes pre-installed clevis, long-stroke compatible, pull-pawl design, factory-lubricated & sealed
Applications: Designed for drive axle drum brake systems requiring a 10 spline, 1 1/2" cam, and 5.5" straight arm automatic slack adjuster. Ideal for heavy-duty commercial vehicles including trailers and trucks where precise, automatic brake adjustment is required for safety and performance.
CROSS-REFERENCE(S):
400-10215, 40010215, A6-3275-Z-1144, 133.104, 133.1040, 135.1040, S-23856, S23856, 05-667, 10215, 400-20215, 409-10232, 409-10233, 409-10394, 409-10475, 409-10685, 429-10685, E-6940, E6940, HAL-40010215, HDX 40010215, L3612, M-4063, M807021, MIR-400-10215, R806021, R806021A, SA10215, WBA07140A, WA10215, RF400-10215
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 per OEM and manufacturer instructions for proper function and safety
✔ Use compatible 1/2" clevis and pin sizes
✔ Ensure arm is installed straight with accessible zerk fitting for lubrication
✔ Follow torque specifications and adjustment procedures exactly
✔ Lubricate as recommended; some models require periodic greasing
✔ Check automatic slack adjuster setup and inspect regularly for wear and function
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Warranty Information
