Meritor E9669 Left Hand S-Cam Brake Camshaft for 16.5" Q-Plus Air Brakes

The Meritor E9669 is a precision-engineered left-hand S-cam brake camshaft designed specifically for Meritor 16-1/2" Q-Plus drive axle air brake systems on heavy-duty commercial trucks. This genuine Meritor component features a 28-spline design with a 1-1/2" spline diameter, providing reliable engagement with slack adjusters for consistent brake actuation.

Key Specifications:

• Rotation: Left-hand (LH)
• Brake diameter: 16.5 inches
• Effective length: 12.94 inches (under head to farthest snap ring groove)
• Camshaft spline: 1-1/2" diameter, 28-spline count
• Journal diameter: 1-1/2"
• Bushing journal length: 1.81 inches
• Brake type: Q-Plus

Features & Benefits:

• Precision-machined cam profile ensures optimal brake shoe contact and even wear
• Heat-treated construction for maximum durability in demanding applications
• Induction-hardened critical areas including cam head and spline teeth resist premature wear
• Machine-rolled spline teeth provide superior strength compared to broached splines
• Manufactured to meet or exceed OE specifications for heavy-duty air brake systems

This camshaft pairs with the E9670 right-hand camshaft on dual-wheel axle configurations. The E9669 is compatible with Meritor Q-Plus brake systems and replaces OEM part number 2210U7587 along with numerous cross-reference numbers including M-2607L, 18836, 18837, 04-461312, CS41156, and C669L.

Application: Heavy-duty commercial truck drive axles with 16-1/2" Meritor Q-Plus air brake systems requiring left-hand rotation camshafts.