Centric 123.66028 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.66028

The Centric C-TEK Standard Brake Drum 123.66028 is engineered for reliable braking performance on select Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac vehicles. Designed to meet OEM specifications, this brake drum supports consistent stopping power and durability for models like the Blazer, Camaro, and S10.

• Compatible with Chevrolet Blazer, Camaro, S10, and more
• Maximum brake diameter (discard) of 9.590 inches (243.600 mm)
• Outside diameter of 11.970 inches (304.038 mm)
• 5 bolt holes with a bolt circle diameter of 4.750 inches (120.650 mm)
• Friction surface width of 2.450 inches (62.230 mm)
• Includes outer cooling fins for heat dissipation
• Floating mounting type with 0.530 inch (13.462 mm) mounting hole diameter
• Weight approximately 14 lbs (6.364 kgs)

Detailed Product Specifications

This Centric brake drum features a nominal drum diameter of 9.500 inches (241.300 mm) and a height of 3.200 inches (81.280 mm), providing a precise fit for compatible vehicles. The 5-bolt hole configuration and 4.750 inch bolt circle diameter ensure secure mounting. Outer cooling fins are integrated to help dissipate heat during braking, reducing the risk of brake fade. The floating mounting type allows for proper alignment and ease of installation. With a hub hole diameter of 2.790 inches (70.866 mm), this brake drum maintains proper hub engagement and stability.

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric is designed to offer dependable replacement brake drums that meet or exceed OEM standards. This product line focuses on delivering consistent performance and durability for a range of domestic and import vehicles. The 123.66028 brake drum is part of this line, providing a balance of quality and value for vehicles such as the GMC Jimmy and Pontiac Firebird.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet S10 Blazer and GMC Sonoma
• Addresses brake pulsation caused by uneven drum surfaces
• Resolves noise issues related to damaged or warped drums
• Improves braking performance on Isuzu Hombre and Oldsmobile models
• Restores proper brake shoe contact and reduces stopping distances

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models listed
• Inspect brake shoes and hardware for wear before installation
• Ensure mounting surfaces are clean and free of debris for proper fit
• Torque bolts to manufacturer specifications to avoid warping
• Check brake drum maximum diameter (9.590 inches) to confirm drum is within service limits

Quality Assurance and Warranty

Centric C-TEK Standard Brake Drums are manufactured to meet strict quality standards, ensuring reliable performance and durability. Each brake drum undergoes rigorous testing to comply with OEM specifications. While specific warranty details for part number 123.66028 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship.