Centric 123.66005 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.66005

The Centric C-TEK Standard Brake Drum 123.66005 is engineered for reliable braking performance on Chevrolet and GMC trucks and SUVs. Designed to meet OEM specifications, this brake drum supports vehicles such as the Chevrolet C20, C2500, and GMC K20 series, ensuring consistent fit and function.

• Compatible with Chevrolet and GMC models including C20, C20 Suburban, C2500, C2500 Suburban, G30, K20, K20 Suburban, K2500, K2500 Suburban, P20, and P2500
• Nominal drum diameter of 11.150 inches (283.2 mm) with a maximum discard diameter of 11.240 inches (285.5 mm)
• Outside diameter measures 13.740 inches (348.996 mm) for proper wheel clearance
• Equipped with 8 bolt holes and a bolt circle diameter of 6.5 inches (165.1 mm)
• Features outer cooling fins to aid in heat dissipation during braking
• Floating mounting type with 0.630 inch (16 mm) mounting hole diameter
• Friction surface width of 3.220 inches (81.788 mm) for effective braking contact
• Weight approximately 30 lbs (13.636 kgs) for balanced performance

About the C-TEK Standard Brake Drums Product Line

The C-TEK Standard Brake Drums line by Centric offers dependable replacement brake drums designed to meet or exceed OEM standards. This product line focuses on providing quality materials and precise manufacturing tolerances to ensure proper fitment and consistent braking performance. The 123.66005 brake drum is part of this line, delivering a balance of durability and functionality for Chevrolet and GMC heavy-duty trucks and SUVs.

Detailed Product Description

This Centric brake drum features a nominal diameter of 11.150 inches and a maximum discard diameter of 11.240 inches, allowing for safe reuse within specified limits. The outside diameter of 13.740 inches ensures compatibility with factory wheel assemblies. The drum includes 8 bolt holes arranged on a 6.5-inch bolt circle diameter, matching the mounting pattern of the specified Chevrolet and GMC models. Outer cooling fins are integrated into the design to improve heat dissipation, reducing the risk of brake fade during extended use. The friction surface width of 3.220 inches provides ample contact area for brake shoes, contributing to effective stopping power. The floating mounting type and 0.630 inch mounting hole diameter facilitate secure installation and alignment.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet C20 and C2500 trucks
• Restores braking performance on GMC K20 and K2500 Suburban models
• Addresses brake noise and vibration caused by uneven drum surfaces
• Solves issues related to brake fade from overheating with outer cooling fins
• Ensures proper fitment for vehicles requiring 8-bolt brake drums with 6.5-inch bolt circle

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet and GMC models listed before installation
• Inspect brake shoes and hardware for wear and replace as necessary during drum installation
• Measure drum diameter to ensure it is within discard limits before reuse
• Clean mounting surfaces and hub to prevent misalignment
• Torque lug nuts to manufacturer specifications to avoid warping the drum

Quality Assurance and Warranty

Centric C-TEK Standard Brake Drums are manufactured to meet OEM specifications, ensuring consistent quality and performance. Each brake drum undergoes rigorous quality control to verify dimensions and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Refer to Centric's official documentation for complete warranty information.