Centric 122.66009 Brake Drum - Rear

Overview of Centric Premium Brake Drum 122.66009

The Centric Premium Brake Drum 122.66009 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, K2500, and GMC R2500 Suburban, ensuring consistent stopping power and durability.

• Compatible with Chevrolet and GMC models including C20, C2500, K20, K2500, and R2500 Suburban
• Nominal drum diameter approximately 13 inches (329 mm)
• Eight bolt holes with a 6.5-inch (165.1 mm) bolt circle diameter
• Includes outer cooling fins for improved heat dissipation
• Mounting type is behind the hub with 0.61-inch mounting hole diameter
• Weight of 45.5 lbs (20.68 kgs) for balanced performance

Centric Premium Brake Drums Product Line

The Centric Premium Brake Drums line focuses on delivering precision-engineered brake components that meet or exceed OEM standards. This product line emphasizes durability and heat management, as evidenced by features like outer cooling fins on the 122.66009 brake drum. These drums are designed to provide consistent friction surface dimensions and reliable fitment for Chevrolet and GMC heavy-duty trucks and SUVs.

Detailed Product Description

The Centric Premium Brake Drum 122.66009 features a nominal drum diameter of 13 inches (329 mm) and a friction surface width of approximately 3.59 inches (91.3 mm), providing ample surface area for effective braking. The drum includes eight bolt holes arranged on a 6.5-inch (165.1 mm) bolt circle diameter, ensuring secure mounting behind the hub. Outer cooling fins are integrated into the design to enhance heat dissipation during braking, reducing the risk of brake fade under heavy load conditions. The mounting hole diameter measures 0.61 inches, compatible with the specified Chevrolet and GMC models. Weighing 45.5 lbs, this brake drum balances strength and weight for optimal vehicle performance.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet C20 and GMC K2500 trucks
• Addresses brake noise and vibration issues caused by uneven drum surfaces
• Improves braking consistency on heavy-duty models like the Chevrolet C3500 and GMC R2500 Suburban
• Helps prevent brake fade through enhanced cooling fins during extended braking
• Restores proper brake diameter to maintain safe stopping distances

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Inspect hub and mounting surfaces for cleanliness and damage prior to mounting
• Torque bolts to manufacturer specifications to avoid warping
• Check brake shoe condition and replace if necessary when installing new drums
• Verify brake drum diameter does not exceed maximum discard size of 13.09 inches (332.5 mm)

Quality Assurance and Warranty

Centric Premium Brake Drums are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 122.66009 brake drum undergoes rigorous testing to comply with OEM fit and function requirements. While specific warranty details are not provided here, Centric products typically include coverage against manufacturing defects. Consult product documentation or authorized sources for warranty terms.