Centric 123.66030 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.66030

The Centric C-TEK Standard Brake Drum 123.66030 is engineered for reliable braking performance on Chevrolet and GMC heavy-duty vehicles. Designed to meet OEM specifications, this brake drum supports consistent stopping power and durability for models like the Chevrolet C1500 Suburban and GMC Savana 3500.

• Compatible with Chevrolet and GMC trucks and vans including C1500 Suburban, C2500 Suburban, C3500, Express 2500/3500, G30, K2500 Suburban, K3500, P30, P3500, Savana 2500/3500, and Suburban 2500
• Nominal drum diameter of 13.000 inches (330.2 mm) with a maximum discard diameter of 13.090 inches (332.5 mm)
• Outside diameter measures 16.830 inches (427.482 mm) for proper fit and heat dissipation
• Equipped with 8 bolt holes and a bolt circle diameter of 6.5 inches (165.1 mm)
• Features outer cooling fins to enhance heat dissipation during braking
• Floating mounting type with mounting hole diameter of 0.610 inches (15.494 mm)
• Friction surface width of 3.950 inches (100.33 mm) for effective brake pad contact
• Height of 6.310 inches (160.274 mm) and hub hole diameter of 4.830 inches (122.682 mm)
• Weight approximately 56.65 lbs (25.75 kgs) ensuring structural integrity

About the C-TEK Standard Brake Drums Product Line

The C-TEK Standard Brake Drums line by Centric is designed to provide dependable replacement brake drums that meet or exceed OEM standards. This product line focuses on delivering consistent fitment and performance for a range of Chevrolet and GMC vehicles, including heavy-duty trucks and vans. The 123.66030 brake drum is part of this line, offering features such as outer cooling fins and precise dimensional tolerances to maintain braking efficiency and durability under demanding conditions.

Detailed Product Description

The Centric C-TEK Standard Brake Drum 123.66030 is manufactured with precision to ensure compatibility with specific Chevrolet and GMC models. Its nominal diameter of 13 inches and maximum discard diameter of 13.09 inches allow for proper brake shoe engagement and replacement timing. The 8-bolt hole configuration with a 6.5-inch bolt circle diameter ensures secure mounting. Outer cooling fins are integrated to improve heat dissipation, reducing the risk of brake fade during extended use. The floating mounting type supports proper alignment and movement, contributing to consistent braking performance. With a friction surface width of nearly 4 inches, this brake drum provides ample contact area for brake shoes, enhancing stopping power and wear distribution.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet C1500 Suburban and GMC Savana 3500
• Addresses brake noise and vibration caused by uneven drum surfaces
• Resolves reduced braking efficiency due to heat-related warping or cracking
• Suitable for restoring proper brake shoe contact and stopping power
• Helps maintain vehicle safety and compliance with braking system standards

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet and GMC models listed before installation
• Inspect brake shoes and hardware for wear and replace as necessary during drum installation
• Ensure mounting surfaces and bolt holes are clean and free of debris for proper fit
• Torque bolts to manufacturer specifications to avoid mounting issues
• Check drum runout after installation to prevent brake pulsation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Brake Drums to meet stringent quality standards, ensuring durability and performance. Each brake drum undergoes dimensional inspections and material testing to comply with OEM requirements. While specific warranty details for part number 123.66030 should be confirmed with the distributor or installer, Centric typically offers limited warranties covering defects in materials and workmanship.