Centric 123.61021 Brake Drum - Rear

Overview of Centric C-TEK Standard Brake Drum 123.61021

The Centric C-TEK Standard Brake Drum 123.61021 is engineered for reliable braking performance on select Ford and Mercury vehicles. Designed to meet OEM specifications, this brake drum supports consistent stopping power for models including the Mustang, Cougar, and Thunderbird.

• Nominal drum diameter: 10.000 inches (254.000 mm)
• Maximum brake diameter (discard): 10.090 inches (256.300 mm)
• Outside diameter: 11.650 inches (295.910 mm)
• Friction surface width: 2.300 inches (58.420 mm)
• Bolt hole quantity: 4 with 0.560 inch (14.224 mm) diameter
• Bolt circle diameter: 4.250 inches (107.950 mm)
• Height: 3.380 inches (85.852 mm)
• Hub hole diameter: 2.540 inches (64.516 mm)
• Mounting type: Floating
• Weight: 13.75 lbs (6.25 kgs)
• No outer cooling fins

About the C-TEK Standard Brake Drums Line

The C-TEK Standard Brake Drums line by Centric offers dependable replacement brake drums that adhere closely to original equipment specifications. This product line focuses on providing consistent fitment and performance for a range of domestic vehicles. The 123.61021 brake drum exemplifies this approach by delivering precise dimensions and mounting features compatible with various Ford and Mercury models.

Detailed Product Description

This Centric brake drum features a nominal diameter of 10 inches and a friction surface width of 2.3 inches, providing ample surface area for brake shoe contact. The outside diameter measures 11.65 inches, ensuring proper clearance and fitment. With a bolt circle diameter of 4.25 inches and four mounting holes sized at 0.56 inches, installation aligns with factory specifications. The floating mounting type allows for slight movement to accommodate thermal expansion and reduce stress on components. Weighing 13.75 pounds, this brake drum balances durability with manageable weight for ease of handling during installation.

Compatible Vehicles and Applications

• Ford Mustang
• Ford Capri
• Ford Fairmont
• Ford LTD
• Ford Marquis
• Mercury Cougar
• Mercury Thunderbird
• Mercury Zephyr

This brake drum is designed specifically for these Ford and Mercury models, ensuring proper fit and function when replacing worn or damaged drums.

Common Issues Addressed by This Brake Drum

• Brake drum wear beyond maximum diameter limits
• Brake noise or vibration caused by warped drums
• Reduced braking efficiency due to surface scoring or damage
• Brake shoe uneven wear from damaged drums
• Corrosion or rust compromising drum integrity

Installation Notes and Tips

• Verify compatibility with vehicle make, model, and year before installation
• Inspect brake shoes and hardware for wear and replace as necessary
• Clean mounting surfaces to ensure proper seating of the drum
• Check brake drum maximum diameter (discard at 10.090 inches) to confirm replacement necessity
• Torque mounting bolts to manufacturer specifications to avoid distortion

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Brake Drums to meet or exceed OEM standards, ensuring reliable performance and fitment. While specific warranty details for part number 123.61021 should be confirmed at the point of purchase, Centric generally offers coverage against defects in materials and workmanship.