Centric 123.63012 Brake Drum - Front

Overview of Centric C-TEK Standard Brake Drum 123.63012

The Centric C-TEK Standard Brake Drum 123.63012 is engineered for reliable braking performance in various vehicle applications. Designed with precise dimensions and a floating mounting type, this brake drum supports consistent stopping power and durability.

• Nominal drum diameter: 228.6 mm (9.000 in)
• Maximum brake diameter (discard): 230.1 mm (9.060 in)
• Outside diameter: 261.874 mm (10.310 in)
• Friction surface width: 69.85 mm (2.750 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: 82.296 mm (3.240 in)
• Hub hole/register diameter: 71.374 mm (2.810 in)
• Weight: 4.773 kg (10.5 lbs)
• Mounting type: Floating

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric offers dependable replacement brake drums designed to meet or exceed OEM specifications. This product line focuses on standard fitment and consistent quality, making it suitable for a range of vehicles requiring precise brake drum dimensions and reliable performance. The 123.63012 brake drum is part of this line, ensuring compatibility and durability for compatible vehicle models.

Detailed Product Description

The Centric 123.63012 brake drum features a nominal diameter of 228.6 mm (9.000 in) and a maximum discard diameter of 230.1 mm (9.060 in), providing a clear service limit for maintenance. Its outside diameter measures 261.874 mm (10.310 in), and the friction surface width is 69.85 mm (2.750 in), offering ample surface area for effective braking. 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 accommodate thermal expansion and reduce stress on the brake components. Weighing 4.773 kg (10.5 lbs), this brake drum balances strength and manageable weight for ease of installation.

Common Applications and Issues Addressed

• Replacement for worn or scored brake drums on compatible vehicles
• Restores proper brake diameter to prevent brake fade and noise
• Addresses uneven braking caused by warped or damaged drums
• Helps maintain correct brake shoe contact and stopping efficiency
• Supports safe vehicle operation by ensuring brake system integrity

Installation Notes and Tips

• Verify bolt hole pattern and drum dimensions against vehicle specifications before installation
• Inspect brake shoes and hardware for wear and replace as necessary during drum replacement
• Ensure mounting surfaces are clean and free of debris to prevent misalignment
• Use proper torque specifications on mounting bolts to avoid damage or loosening
• Check for proper drum runout after installation to prevent vibration or uneven wear

Quality Assurance and Warranty

Centric brake drums, including the 123.63012 model, are manufactured to meet stringent quality standards and OEM specifications. While specific warranty details are not provided here, Centric products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer resources.