Excel EM50470 Motion 40010143 Slack Adjuster

Slack Adjuster 1-1/2in Spline Diameter x 10 Spline Teeth

• Part number: EM50470
• OE MFG: MOTION INDUSTRIES
• OEM Reference: 40010143
• Cross Reference: MACK : 25QD410P4; OTHER : 40010143, 5396-40010143
• Product Class: Slack Adjusters

The PAI EM50470 is an Excel Motion slack adjuster with a 1-1/2-inch spline diameter and 10 spline teeth. Slack adjusters are heavy duty diesel truck parts that convert brake-chamber pushrod movement into controlled rotation at the brake actuator linkage, maintaining the mechanical relationship required for foundation-brake operation. Motion Industries lists 40010143 as the OEM reference, with Mack 25QD410P4 and 5396-40010143 as additional cross-references.