Slack Adjuster Automann 3398-AS1172

• Part number: 138.2810FC
• OE MFG: Mack
• OEM Reference: 3398-AS1172
• Cross Reference: AS1172, SA11902, E-15055
• Product Class: Slack Adjusters

The Automann 138.2810FC slack adjuster carries the Mack OEM reference 3398-AS1172 and is identified by cross-references AS1172 and SA11902. As heavy duty diesel truck parts, slack adjusters connect brake chamber movement to the foundation brake mechanism, converting air-brake actuator travel into the mechanical movement used to apply the brakes and maintaining the intended relationship between actuator stroke and brake operation.