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Haldex S-ABA Self-Setting Automatic Air Brake Slack Adjuster Kit | 40020228M1D


Sale price $52.49 Regular price $74.99
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Description

The Haldex 40020228M1D S-ABA Automatic Brake Adjuster is a premium commercial fleet service kit engineered to optimize heavy-duty drum brake performance. Featuring an advanced clearance-sensing design, this self-setting mechanical slack adjuster automatically maintains a uniform, constant distance between the brake drum and the lining. Its gradual adjustment profile reduces the hazardous risk of over-adjustment during high-temperature, prolonged braking cycles. Built to withstand high-torque fleet workloads, it ensures structural reliability and consistent stopping power for Class 8 vehicles. [1, 2, 3, 4]
⭐ Key Features & Benefits
  • Clearance-Sensing Adjustment: Gradually responds to structural lining wear without over-adjusting during heavy drum expansion.
  • High-Alloy Mechanical Footprint: Manufactured with heat-treated housing and high-alloy internal gears to supply extreme load capacity.
  • Rolled Wormshaft Engineering: Rolled construction offers superior fatigue resistance and minimizes early thread stripping under load.
  • Centralized Internal Clutch: Fully enclosed internal clutch protects critical gearing zones from moisture, road debris, and winter salt slush.
  • Pre-Set Control Arm: High-range angular flexibility simplifies chassis mounting setups while protecting standard operational geometry. [1, 2, 3, 4]
🔧 Uses / Applications
  • Commercial Drive Axle Fleet Overhauls: Heavy-duty replacement slack adjuster optimized for commercial truck and semi-tractor drive axle configurations. [1, 2]
  • Vocational Fleet Braking Adjustments: Highly recommended for dump trucks, waste haulers, and transit buses facing intense stop-and-go pressure. [1, 2]
  • S-Cam Drum Maintenance: Key component for renewing pneumatic brake shoe linkages during routine S-cam hardware rebuilds. [1]
  • DOT Safety Compliance Upgrades: Instantly remedies safety issues associated with manual adjustments or failing legacy slack units.
📊 Technical Specifications
Specification Detail
Part Type Self-Setting Automatic Brake Adjuster (S-ABA) Kit
Position Standard Drive Axle Brake Chamber
Part Number 40020228M1D / 40020228
Material Heat-Treated High-Alloy Steel & Premium Cast Housing
Fitment 1.50" Spline Diameter / 10-Spline / 5.5" Arm Length
Condition Brand New
Installation Direct-Fit S-Cam Spline Bolt-On
🔄 Cross‑Reference / Interchange Table
Manufacturer Equivalent Part Number
OEM (Haldex) 40020228 / 40020228M1D / 409-20017 / 509-20017
Automann 135.S1031
Eaton / Spicer K101723
Meritor M808028
TruckPro MD40020228
Additional Notes Features a straight arm with 0 inches of offset and an anchor bracket designed for standard strap-style mounting configurations.

Disclosure Policy

This product was acquired by Freeman Liquidators from a sale of merchandise subject to a commercial insurance loss. Freeman Liquidators is a secondary seller of products, is not affiliated with or sponsored by the manufacturer of the products and is not a manufacturer authorized seller of the products. Sale of this product by Freeman Liquidators is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser.

All products are NEVER USED but external packaging will have damage. Some items may be placed into other packaging to ensure safe shipping. All items are opened for inspection prior to shipment to ensure the best quality of products. Freeman Liquidators guarantees your satisfaction. If you are not completely satisfied with a purchased product, within 30 days from the date of purchase, return the product in its packaging and Freeman Liquidators will fully refund your money.

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Haldex S-ABA Self-Setting Automatic Air Brake Slack Adjuster Kit | 40020228M1D

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