Centric 123.66003 Brake Drum - Rear

Reliable Brake Drum Replacement for Chevrolet and GMC Vehicles

The Centric C-TEK Standard Brake Drum 123.66003 is engineered to meet the braking needs of Chevrolet and GMC models including the Blazer, Jimmy, K5 Blazer, K10, and K10 Suburban. Designed for durability and consistent performance, this brake drum ensures proper fit and function for your vehicle's braking system.

• Compatible with Chevrolet Blazer, Jimmy, K5 Blazer, K10, and K10 Suburban
• Part Number: 123.66003
• Outside Diameter: 13.390 inches (340.106 mm)
• Nominal Drum Diameter: 11.000 inches (279.400 mm)
• Maximum Brake Diameter (Discard): 11.090 inches (281.700 mm)
• Friction Surface Width: 2.410 inches (61.214 mm)
• Bolt Hole Quantity: 6 with 5.500 inches (139.700 mm) bolt circle diameter
• Mounting Type: Floating
• Includes Outer Cooling Fins for heat dissipation
• Weight: 21 lbs (9.545 kgs)

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 braking performance and durability for a range of vehicle applications. The 123.66003 brake drum is part of this line, ensuring compatibility and quality for Chevrolet and GMC trucks and SUVs.

Technical Specifications and Features

This brake drum features a 13.390-inch outside diameter and a nominal drum diameter of 11.000 inches, with a maximum discard diameter of 11.090 inches, indicating when replacement is necessary. The friction surface width of 2.410 inches provides ample contact area for brake shoes, contributing to effective braking. The drum includes six bolt holes arranged on a 5.500-inch bolt circle diameter, compatible with the specified vehicle models. The floating mounting type allows for proper alignment and movement during braking. Additionally, outer cooling fins are integrated to help dissipate heat and maintain braking efficiency under demanding conditions.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet Blazer and GMC Jimmy
• Restores proper braking performance on K5 Blazer and K10 models
• Addresses brake noise and vibration caused by damaged drums
• Prevents brake fade by improving heat dissipation with cooling fins
• Ensures safe stopping power for K10 Suburban vehicles

Installation Notes and Tips

Ensure the brake drum 123.66003 is compatible with your specific Chevrolet or GMC model before installation. Verify the bolt hole pattern and mounting type to match your vehicle’s specifications. Clean the hub surface and inspect brake shoes for wear during replacement. Properly torque mounting bolts to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Drums are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.