Meritor E9663 Left Hand Air Brake Camshaft

The Meritor E9663 is a genuine left-hand air brake camshaft (S-cam) designed for heavy-duty commercial vehicle drum brake systems. This critical brake component converts the rotational motion from the brake chamber into the force needed to apply the brake shoes against the drum, providing reliable stopping power for trucks and commercial vehicles.

Key Specifications:

• Camshaft spline count: 28 teeth
• Spline diameter: 1.50 inches
• Brake diameter: 16.50 inches
• Effective length: approximately 11.70 inches
• Overall length: approximately 14 inches
• Bushing journal length: 1.77-1.81 inches
• Head type: 11
• Orientation: Left hand (LH)
• Application: Drive axle
• Brake type: Q Plus

Features and Benefits:

• Precision-engineered to meet OEM specifications for Meritor brake systems
• Heat-treated critical areas including cam head and spline teeth for enhanced durability
• Machine-rolled splines provide superior strength compared to broached splines
• Compatible with Meritor Q Plus brake systems
• Paired with right-hand camshaft E9664 for dual brake configurations

The E9663 crosses with multiple OEM and aftermarket part numbers including 2210C7543, E-9663, C663L, and others. This camshaft is manufactured to withstand the rigorous demands of commercial vehicle braking systems, ensuring consistent performance and safety.