Centric 122.66021 Brake Drum - Rear

Overview of Centric Premium Brake Drum 122.66021

The Centric Premium Brake Drum 122.66021 is engineered for reliable braking performance on Chevrolet and GMC trucks and SUVs. Designed specifically for models like the Chevrolet Blazer, K1500, Tahoe, and the GMC Yukon, this brake drum meets precise fitment and durability standards.

• Nominal drum diameter: 10.000 inches (254.00 mm)
• Outside diameter: 11.930 inches (303.0 mm)
• Maximum brake diameter (discard): 10.090 inches (256.3 mm)
• Friction surface width: 2.74 inches (69.5 mm)
• Bolt hole quantity: 6 with 0.58 inch (14.7 mm) diameter
• Bolt circle diameter: 5.5 inches (139.7 mm)
• Hub hole diameter: 3.1 inches (78.7 mm)
• Includes outer cooling fins for heat dissipation
• Mounting type: Floating
• Weight: 20 lbs (9.1 kg)

Centric Premium Brake Drums Product Line

The Centric Premium Brake Drums line focuses on delivering consistent braking performance with enhanced durability. This product line incorporates features such as outer cooling fins to improve heat dissipation and floating mounting types to ensure proper alignment and reduce wear. The 122.66021 brake drum exemplifies these qualities, providing a reliable replacement part for Chevrolet and GMC vehicles requiring precise fitment and performance.

Detailed Product Description

This brake drum is designed to exact OEM specifications for Chevrolet Blazer, K1500, Tahoe, and GMC Yukon models. The nominal drum diameter of 10 inches and friction surface width of 2.74 inches provide a stable braking surface, while the 6-bolt hole configuration with a 5.5-inch bolt circle diameter ensures secure mounting. The inclusion of outer cooling fins helps dissipate heat generated during braking, reducing the risk of brake fade and extending component life. The floating mounting type allows for slight movement to accommodate thermal expansion and maintain proper drum alignment.

Common Applications and Issues Addressed

• Replacement for worn or scored brake drums on Chevrolet and GMC trucks and SUVs
• Restores proper braking surface diameter to prevent brake noise and vibration
• Addresses brake fade caused by overheating through improved cooling fins
• Corrects mounting issues related to damaged or warped drums
• Ensures compatibility with factory brake components for consistent performance

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet Blazer, K1500, Tahoe, and GMC Yukon models before installation
• Inspect brake shoes and hardware for wear and replace as necessary during drum installation
• Ensure mounting holes and bolt circle diameter align correctly to avoid installation issues
• Check drum surface for cleanliness and absence of debris before mounting
• Torque mounting bolts to manufacturer specifications to maintain proper drum alignment

Quality Assurance and Warranty

The Centric Premium Brake Drum 122.66021 is manufactured to meet or exceed OEM standards for fit, form, and function. Each drum undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric products typically include coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.