Centric 123.66033 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.66033

The Centric C-TEK Standard Brake Drum 123.66033 is engineered for reliable braking performance on Chevrolet and GMC trucks and SUVs. Designed to meet OEM specifications, this brake drum supports consistent stopping power and durability for models like the Blazer, K1500, and Suburban.

• Compatible with Chevrolet and GMC models including Blazer, Jimmy, K5 Blazer, K10, K1500, V10, and Suburban variants
• Maximum brake diameter (discard) of 11.240 inches (285.5 mm)
• Outside diameter measures 13.350 inches (339.09 mm)
• Features 6 bolt holes with a bolt circle diameter of 5.5 inches (139.7 mm)
• Includes outer cooling fins for improved heat dissipation
• Nominal drum diameter of 11.150 inches (283.2 mm) with friction surface width of 3.310 inches (84.07 mm)
• Floating mounting type with mounting hole diameter of 0.450 inches (11.43 mm)
• Height of 4.000 inches (101.6 mm) and hub hole diameter of 3.570 inches (90.68 mm)
• Weight approximately 26 lbs (11.818 kgs)

About the C-TEK Standard Brake Drums Product Line

The C-TEK Standard Brake Drums line by Centric is designed to provide dependable, direct replacement brake drums that meet or exceed OEM standards. This product line focuses on delivering consistent fitment and performance for a range of Chevrolet and GMC vehicles, ensuring proper braking function and longevity. The 123.66033 brake drum is part of this line, offering precise dimensions and features such as outer cooling fins to help maintain optimal operating temperatures during braking.

Detailed Product Description

The Centric 123.66033 brake drum is manufactured with exacting tolerances to match factory specifications for Chevrolet and GMC trucks and SUVs. Its 6-bolt configuration and 5.5-inch bolt circle diameter ensure secure mounting and compatibility with the specified vehicle models. The drum’s nominal diameter of 11.150 inches and friction surface width of 3.310 inches provide ample surface area for brake shoes to engage effectively. Outer cooling fins are incorporated to enhance heat dissipation, reducing the risk of brake fade during extended use. The floating mounting type allows for slight movement to accommodate thermal expansion and contraction, contributing to consistent braking performance.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet Blazer and GMC Jimmy
• Restores proper brake shoe contact and stopping power on K10 and K1500 models
• Addresses brake noise and vibration caused by damaged drums
• Improves heat dissipation to reduce brake fade during heavy towing or hauling
• Ensures safe braking performance on V10 and Suburban variants

Installation Notes and Tips

• Verify compatibility with vehicle make, model, and year before installation
• Inspect brake shoes and hardware for wear and replace if necessary
• Clean mounting surfaces to ensure proper fit and prevent drum runout
• Torque bolts to manufacturer specifications to avoid warping
• Check brake adjustment after installation for optimal performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Brake Drums to meet stringent quality standards, ensuring reliable performance and durability. Each brake drum undergoes rigorous testing to confirm dimensional accuracy and material integrity. While specific warranty details for part number 123.66033 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship.