Main Drive Countershaft Gear | Mack | KB321A

Description

OE Replacements: GGB-6311, PAI6311, KB321A, 757KB321, 757KB321A, 757KB3123

Details: Main Drive Countershaft Gear

Direct replacement for OE part KB321A

Durable steel construction

Quality You Can Trust – PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

DETAIL – HDKits gears feature precise dimensions. Our products meet or exceed the OEM specifications. Consistent and precise dimensions. After production, the gears laser measured in a 3D environment ensuring exact fitment and unparalleled quality.