Centric 123.62039 Brake Drum - Rear

Reliable Brake Drum Replacement for Chevrolet and Pontiac Models

The Centric C-TEK Standard Brake Drum 123.62039 is engineered to meet the braking needs of Chevrolet Cobalt, Pontiac G5, and Chevrolet HHR vehicles. Designed with precise dimensions and quality materials, this brake drum ensures consistent performance and durability for your vehicle's braking system.

• Nominal drum diameter: 228.6 mm (9.000 in)
• Maximum brake diameter (discard): 230.6 mm (9.079 in)
• Outside diameter: 274.6 mm (10.811 in)
• Bolt hole quantity: 5 with 110 mm (4.331 in) bolt circle diameter
• Mounting hole diameter: 14.0 mm (0.551 in)
• Friction surface width: 50.7 mm (1.996 in)
• Height: 71.628 mm (2.820 in)
• Hub hole/register diameter: 65.5 mm (2.579 in)
• Weight: 5.568 kg (12.25 lbs)
• Mounting type: Floating
• No outer cooling fins

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric offers reliable, OE-quality replacement brake drums designed to meet or exceed original equipment specifications. This product line focuses on providing consistent fitment and performance for a range of vehicles, including Chevrolet and Pontiac models. The 123.62039 brake drum is part of this line, ensuring compatibility and dependable braking performance for your vehicle.

Detailed Product Description

This Centric brake drum features a nominal diameter of 228.6 mm (9.000 in) and a maximum discard diameter of 230.6 mm (9.079 in), allowing for safe and effective brake maintenance. The outside diameter measures 274.6 mm (10.811 in), and the drum includes five bolt holes arranged on a 110 mm (4.331 in) bolt circle diameter, matching the factory specifications for Chevrolet Cobalt, Pontiac G5, and Chevrolet HHR models. The friction surface width of 50.7 mm (1.996 in) provides ample contact area for brake shoes, while the floating mounting type supports proper alignment and heat dissipation. Weighing 5.568 kg (12.25 lbs), this brake drum balances durability with manageable weight for installation.

Common Applications and Issues Addressed

• Replacement for worn or scored brake drums on Chevrolet Cobalt, Pontiac G5, and Chevrolet HHR
• Resolves brake noise caused by uneven drum surfaces
• Addresses reduced braking efficiency due to drum wear or damage
• Corrects vibration or pulsation during braking
• Restores proper brake shoe contact and stopping power

Installation Notes and Tips

Ensure the brake drum 123.62039 is compatible with your vehicle’s make and model before installation. Verify that the mounting holes and bolt circle diameter match your vehicle’s specifications. Clean the hub surface and inspect brake shoes for wear prior to installation. Use proper torque specifications for mounting bolts to maintain safety and performance. Since this brake drum does not include outer cooling fins, ensure adequate ventilation in the brake assembly to prevent overheating.

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Drums are manufactured to meet or exceed OEM standards, providing reliable performance and fitment. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. For warranty information, refer to Centric’s official documentation or contact the manufacturer directly.