Centric 123.65021 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.65021

The Centric C-TEK Standard Brake Drum 123.65021 is engineered for reliable braking performance on select Chevrolet, Ford, and Mazda vehicles. Designed to meet OEM specifications, this brake drum ensures consistent fit and function for models like the Ford Ranger and Mazda B2300.

• Nominal drum diameter: 10.000 inches (254.000 mm)
• Outside diameter: 11.730 inches (297.942 mm)
• Maximum brake diameter (discard): 10.090 inches (256.300 mm)
• Bolt hole quantity: 5 with 0.560 inch (14.224 mm) diameter
• Bolt circle diameter: 4.500 inches (114.300 mm)
• Friction surface width: 2.920 inches (74.168 mm)
• Height: 3.640 inches (92.456 mm)
• Hub hole/register diameter: 2.540 inches (64.516 mm)
• Mounting type: Floating
• Weight: 17.7 lbs (8.045 kgs)

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric offers dependable replacement brake drums designed to match original equipment specifications. This product line focuses on providing consistent dimensions and quality materials to ensure proper braking performance and fitment. The 123.65021 brake drum is part of this line, delivering precise tolerances and durability for vehicles such as the Chevrolet C15 and Ford Aerostar.

Detailed Product Description

This Centric brake drum features a nominal diameter of 10 inches and an outside diameter of nearly 11.73 inches, providing ample surface area for brake shoe contact. The friction surface width of 2.92 inches supports effective braking force distribution. With a bolt circle diameter of 4.5 inches and five bolt holes, it is compatible with specific Chevrolet, Ford, and Mazda models including the Ranger and B4000. The floating mounting type allows for slight movement to accommodate thermal expansion and reduce stress on the drum. Weighing 17.7 pounds, this brake drum balances strength and manageable weight for ease of installation.

Common Applications and Problem Solving

• Replacement for worn or scored brake drums on Chevrolet C15 and Ford Aerostar
• Restores proper brake shoe contact and stopping power on Mazda B2300 and B3000
• Addresses brake pulsation caused by uneven drum wear
• Eliminates noise and vibration from damaged or warped drums
• Ensures safe braking performance for Ford Ranger and B4000 trucks

Installation Notes and Tips

• Verify bolt hole pattern and drum dimensions match vehicle specifications before installation
• Inspect wheel bearings and replace if necessary during brake drum replacement
• Clean mounting surfaces to ensure proper seating and avoid runout
• Use proper torque specifications on mounting bolts to prevent drum distortion
• Check brake shoe condition and adjust as needed after installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Brake Drums to meet or exceed OEM standards, ensuring reliable performance and durability. The 123.65021 brake drum undergoes rigorous quality control inspections to maintain dimensional accuracy and material integrity. While specific warranty details should be confirmed at the point of purchase, Centric typically offers coverage against defects in materials and workmanship for a defined period.