Centric 122.66034 Brake Drum - Rear

Overview of Centric Premium Brake Drum 122.66034

The Centric Premium Brake Drum 122.66034 is engineered for reliable braking performance on select GM trucks and SUVs. Designed to meet OEM specifications, this brake drum is compatible with Cadillac Escalade, Chevrolet K1500 Suburban, Suburban 1500, Tahoe, and GMC Yukon models.

• Nominal drum diameter: 11.157 inches (283.40 mm)
• Maximum brake diameter (discard): 11.240 inches (285.50 mm)
• Outside diameter: 13.620 inches (346.0 mm)
• Bolt hole quantity: 6 with 0.58 inch (14.732 mm) diameter
• Bolt circle diameter: 5.5 inches (139.7 mm)
• Friction surface width: 3.27 inches (83.0 mm)
• Height: 3.83 inches (97.28 mm)
• Mounting type: Floating
• Weight: 26 lbs (11.818 kgs)

Centric Premium Brake Drums Product Line

The Centric Premium Brake Drums line focuses on delivering precise fitment and consistent braking performance for a range of vehicles. This product line emphasizes strict adherence to OEM dimensions and quality standards, ensuring that the 122.66034 brake drum provides dependable service life and proper brake engagement for compatible Cadillac, Chevrolet, and GMC models.

Detailed Product Description

This Centric brake drum features a nominal diameter of 11.157 inches and an outside diameter of 13.62 inches, designed to match factory specifications for smooth operation. The drum includes six bolt holes arranged on a 5.5-inch bolt circle diameter, with mounting holes sized at 0.58 inches, facilitating secure installation. The friction surface width of 3.27 inches provides ample contact area for brake shoes, contributing to effective braking force. The floating mounting type allows for slight movement to accommodate thermal expansion and reduce stress on components. Weighing 26 pounds, this brake drum balances durability with manageable weight for ease of handling during installation.

Applications and Problem Solving

• Replacement for worn or scored brake drums on Cadillac Escalade and GMC Yukon
• Restores proper brake shoe contact and braking efficiency on Chevrolet K1500 Suburban
• Addresses brake pulsation or noise caused by uneven drum surfaces
• Suitable for vehicles experiencing brake fade due to overheated or damaged drums
• Helps maintain correct brake geometry and pedal feel on Suburban 1500 and Tahoe models

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Inspect brake shoes and hardware for wear and replace as necessary
• Clean mounting surfaces to ensure proper fit and prevent vibration
• Use proper torque specifications on mounting bolts to avoid warping
• Check drum runout after installation to confirm alignment

Quality Assurance and Warranty

The Centric Premium Brake Drum 122.66034 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 come with a limited warranty against defects in materials and workmanship, supporting long-term reliability for Cadillac, Chevrolet, and GMC brake systems.