Proline HD PL-10143 Automatic Slack Adjuster – 1-1/2" 10 Spline, 5.5"/6.5" Arm

Keep your heavy-duty air brake system operating properly with the Proline HD PL-10143 Automatic Slack Adjuster. Designed for standard drive axle applications, this Haldex-style automatic slack adjuster helps maintain proper brake adjustment as brake linings wear.

The PL-10143 features a 1-1/2" 10-spline camshaft, 34° body angle, and adjustable 5.5" and 6.5" arm positions. Its automatic adjustment design helps maintain consistent brake shoe-to-drum clearance while reducing the need for frequent manual adjustment.

Features & Specifications

• Brand: Proline HD
• Part Number: PL-10143
• Hawhee Part Number: PRLPL-10143
• Type: Automatic Slack Adjuster
• Style: Haldex
• Application: Heavy-Duty Air Brake
• Camshaft/Spline Diameter: 1-1/2"
• Spline Count: 10
• Arm Length: 5.5" / 6.5"
• Body Angle: 34°
• Arm Hole Diameter: 5/8"
• Design: Straight arm
• Sensing Type: Clearance sensing
• Handedness: Unhanded
• Application: Drive axle / standard applications

Cross-Reference Numbers

Common cross-reference numbers include:

Haldex: 400-10143, 40010143
Meritor: R806022, R806022A, M807022
Bendix: 317166
Automann: 133.1031
Dayton: 05-661
Euclid: E-6915, E-6924, E-6924A, E-6924B, E-6962
Fleetrite: FLT40010143
Dana: 10-400-10143
Mack: 25QD410P4
MEI: 4W8045

Cross-reference numbers are provided for identification and interchange research. Verify dimensions and application before installation.