Centric 123.51007 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.51007

The Centric C-TEK Standard Brake Drum 123.51007 is engineered for reliable braking performance on select Hyundai and Kia models. Designed to meet OEM specifications, this brake drum ensures consistent fit and function for vehicles like the Hyundai Sonata, Kia Optima, and Hyundai Magentis.

• Compatible with Hyundai Magentis, Sonata and Kia Optima
• Nominal drum diameter: 228.6 mm (9.000 in)
• Outside diameter: 272.5 mm (10.728 in)
• Maximum brake diameter (discard): 230.6 mm (9.079 in)
• Bolt hole quantity: 4 with 114.3 mm (4.5 in) bolt circle diameter
• Friction surface width: 55.76 mm (2.195 in)
• Mounting type: Floating with 12.7 mm (0.5 in) mounting hole diameter
• Weight: 5.682 kg (12.5 lbs)

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, providing brake drums manufactured to meet or exceed OEM standards. This product line focuses on delivering dependable braking components that maintain proper fitment and performance for specific vehicle applications, such as the Hyundai Sonata and Kia Optima. The 123.51007 brake drum is part of this line, ensuring consistent dimensions and material integrity for safe and effective braking.

Technical Specifications and Features

This brake drum features a nominal diameter of 228.6 mm (9.000 in) and an outside diameter of 272.5 mm (10.728 in), designed to accommodate the brake shoes and provide optimal friction surface width of 55.76 mm (2.195 in). The maximum brake diameter before discard is 230.6 mm (9.079 in), indicating when the drum should be replaced to maintain braking efficiency. It includes four bolt holes arranged on a 114.3 mm (4.5 in) bolt circle diameter, with mounting holes sized at 12.7 mm (0.5 in) to ensure secure installation. The floating mounting type allows for proper alignment and heat dissipation during braking.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Hyundai Sonata, Kia Optima, and Hyundai Magentis
• Addresses brake pulsation caused by uneven drum surfaces
• Resolves noise issues related to drum wear or damage
• Restores proper brake shoe contact and stopping power
• Prevents brake fade due to overheating by maintaining correct drum dimensions

Installation Notes and Tips

Ensure the brake drum is compatible with your vehicle’s make and model before installation. Measure the existing drum’s dimensions and compare them to the Centric 123.51007 specifications, especially the maximum brake diameter (discard) to confirm replacement necessity. Clean the hub and mounting surfaces thoroughly to avoid misalignment. Use proper torque settings on the mounting bolts and verify the floating mounting type is correctly engaged. 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 or exceed OEM standards, ensuring reliable performance and durability. The 123.51007 brake drum undergoes rigorous quality control to maintain dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms applicable to this brake drum.