Centric 123.63001 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.63001

The Centric C-TEK Standard Brake Drum 123.63001 is engineered to meet precise braking requirements for various vehicle applications. Designed with exact dimensions and specifications, this brake drum ensures reliable performance and compatibility with specific makes and models.

• Nominal drum diameter: 228.6 mm (9.000 in)
• Outside diameter: 270.002 mm (10.630 in)
• Maximum brake diameter (discard): 230.9 mm (9.090 in)
• Friction surface width: 59.69 mm (2.350 in)
• Bolt hole quantity: 5 with 114.3 mm (4.500 in) bolt circle diameter
• Mounting hole diameter: 15.494 mm (0.610 in)
• Height: 73.152 mm (2.880 in)
• Weight: 4.773 kg (10.5 lbs)
• Mounting type: Floating
• Includes 3 miscellaneous holes for additional mounting or sensor fitment

Details on C-TEK Standard Brake Drums Product Line

The C-TEK Standard Brake Drums line by Centric offers a balance of quality and value for standard brake drum replacements. This product line focuses on delivering drums that meet OEM specifications for fit, form, and function. The 123.63001 brake drum is part of this line, providing consistent dimensions and reliable braking surfaces suitable for a range of vehicle models requiring a 5-bolt pattern and floating mounting type.

Technical Description and Specifications

The Centric 123.63001 brake drum features a nominal diameter of 228.6 mm (9.000 in) and an outside diameter of 270.002 mm (10.630 in), designed to accommodate brake shoes with a friction surface width of 59.69 mm (2.350 in). The maximum brake diameter before discard is 230.9 mm (9.090 in), ensuring safe replacement intervals. The drum includes five bolt holes arranged on a 114.3 mm (4.500 in) bolt circle diameter, with mounting holes sized at 15.494 mm (0.610 in). The floating mounting type allows for slight movement to reduce stress and improve brake performance. Weighing approximately 4.773 kg (10.5 lbs), this brake drum is engineered for durability without excessive weight.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on compatible vehicles
• Restores proper brake shoe contact and braking efficiency
• Addresses brake noise caused by uneven drum surfaces
• Corrects vibration or pulsation issues during braking
• Prevents brake fade due to overheating by maintaining proper drum dimensions

Installation Notes and Tips

Ensure the brake drum 123.63001 matches the vehicle’s bolt pattern and mounting specifications before installation. Verify the maximum brake diameter to confirm the drum is within service limits. Clean the hub and mounting surfaces to prevent misalignment. Use proper torque specifications on mounting bolts to avoid warping. Since this drum has a floating mounting type, check for correct fitment to allow necessary movement.

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Drums are manufactured to meet or exceed OEM standards for fit and function. Each brake drum undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Refer to Centric’s official documentation for warranty terms related to part number 123.63001.