Centric 123.45005 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.45005

The Centric C-TEK Standard Brake Drum 123.45005 is engineered for reliable braking performance on Mazda RX-7 models. Designed to meet OEM specifications, this brake drum ensures consistent fit and function for your vehicle's braking system.

• Compatible with Mazda RX-7
• Part number: 123.45005
• Nominal drum diameter: 200 mm (7.874 in)
• Outside diameter: 230 mm (9.055 in)
• Bolt hole quantity: 4 with 110 mm (4.331 in) bolt circle diameter
• Friction surface width: 38 mm (1.496 in)
• Mounting type: Floating
• Weight: 4.5 kg (9.9 lbs)

Detailed Product Specifications

This Centric brake drum features a nominal diameter of 200 mm (7.874 inches) and an outside diameter of 230 mm (9.055 inches), providing the precise dimensions required for proper brake engagement on the Mazda RX-7. The drum includes four bolt holes arranged on a 110 mm (4.331 inch) bolt circle diameter, ensuring secure mounting. The friction surface width measures 38 mm (1.496 inches), which supports effective braking force distribution. The mounting type is floating, allowing for slight movement to accommodate thermal expansion and reduce stress on the drum. The drum weighs approximately 4.5 kilograms (9.9 pounds), balancing durability and ease of installation.

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums product line by Centric is designed to provide dependable replacement brake drums that meet or exceed OEM standards. This line focuses on delivering consistent quality and fitment for a wide range of vehicles, including the Mazda RX-7. The 123.45005 brake drum is part of this line, offering a direct replacement option that maintains the original braking system's performance and safety.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Mazda RX-7
• Resolves issues with brake noise caused by uneven drum surfaces
• Addresses vibration or pulsation during braking due to drum wear
• Restores proper brake shoe contact and stopping power
• Prevents brake fade caused by overheating or drum distortion

Installation Notes and Tips

When installing the Centric C-TEK Standard Brake Drum 123.45005, ensure the mounting surface and hub are clean and free of debris. Verify the bolt hole alignment with the vehicle’s hub using the 110 mm bolt circle diameter. Check the drum’s maximum brake diameter discard limit of 201 mm (7.913 inches) to determine if resurfacing or replacement is necessary. Proper torque specifications should be followed for the four mounting bolts to maintain secure attachment. It is recommended to inspect brake shoes and hardware during installation for optimal braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Brake Drums to meet strict quality control standards, ensuring durability and reliable performance. While specific warranty details for part number 123.45005 are not provided here, Centric typically offers coverage against defects in materials and workmanship. For warranty information, consult the product documentation or Centric’s official resources.