Centric 123.62003 Brake Drum - Front

Reliable Brake Drum Replacement for Classic GM Vehicles

The Centric C-TEK Standard Brake Drum 123.62003 offers a precise fit and dependable performance for select Buick, Oldsmobile, and Pontiac models. Designed to meet OEM specifications, this brake drum ensures consistent braking and durability for vehicles like the Cutlass, GTO, LeMans, Skylark, and Tempest.

• Compatible with Buick Cutlass, Oldsmobile Cutlass and LeMans, Pontiac GTO, Skylark, and Tempest
• Part number 123.62003 for exact replacement
• Nominal drum diameter of 9.5 inches (241.3 mm)
• Outside diameter of 11.56 inches (293.6 mm) with outer cooling fins
• 5 bolt holes with a 4.75 inch (120.65 mm) bolt circle diameter
• Floating mounting type with 0.55 inch (13.97 mm) mounting hole diameter
• Friction surface width of 2.93 inches (74.42 mm) for effective braking
• Height of 3.5 inches (88.9 mm) and hub hole diameter of 2.78 inches (70.61 mm)
• Weight approximately 18.5 lbs (8.4 kg) for balanced performance

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric is engineered to provide reliable, direct-fit brake components that meet or exceed OEM standards. This product line focuses on delivering consistent braking performance and durability for classic and late-model vehicles. The 123.62003 brake drum is part of this line, offering features such as outer cooling fins to help dissipate heat and maintain braking efficiency under normal driving conditions.

Technical Details and Specifications

This brake drum features a nominal diameter of 9.5 inches (241.3 mm) and an outside diameter of 11.56 inches (293.6 mm), designed to fit the specified GM models precisely. The drum includes five bolt holes arranged on a 4.75 inch (120.65 mm) bolt circle diameter, ensuring secure mounting. The friction surface width of 2.93 inches (74.42 mm) provides ample contact area for brake shoes, contributing to effective stopping power. Additionally, the floating mounting type and outer cooling fins enhance heat dissipation and reduce the risk of brake fade during operation.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Buick Cutlass and Pontiac GTO
• Restores proper braking performance on Oldsmobile LeMans and Skylark
• Addresses brake noise and vibration caused by damaged drums
• Helps eliminate uneven brake shoe wear due to out-of-spec drums
• Improves heat dissipation to reduce brake fade during extended use

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before removing the existing brake drum. Clean the hub surface and inspect wheel bearings for wear or damage. Verify the mounting hole alignment matches the 5-bolt pattern with a 4.75 inch bolt circle diameter. When installing the Centric 123.62003 brake drum, confirm the floating mounting type is compatible with your vehicle’s brake assembly. After installation, adjust the brake shoes as needed and test for proper operation before driving.

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Drums are manufactured to meet strict quality standards, ensuring reliable fit and function. Each brake drum undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Centric typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.