Centric 121.61003 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Ford, Lincoln, and Mercury Vehicles

The Centric C-TEK Standard Disc Brake Rotor 121.61003 is engineered to provide consistent braking performance for select Ford, Lincoln, and Mercury models. Designed specifically for vehicles like the Ford LTD, Lincoln Continental, and Mercury Marauder, this rotor ensures proper fitment and dependable stopping power.

• Part Number: 121.61003
• Compatible with Ford Colony Park, Lincoln Continental, Mercury Marauder, LTD, Marquis, and Thunderbird
• Vented disc brake rotor with smooth surface type
• Outside diameter: 297.7 mm (11.720 inches)
• Nominal thickness: 30.100 mm (1.185 inches)
• Discard thickness: 28.450 mm (1.120 inches)
• 5 stud/lug holes with 0.500 inch stud thread diameter
• Mounting bolt hole circle diameter: 114.3 mm (4.500 inches)
• Overall height: 114.9 mm (4.524 inches)
• Weight: 11.91 kg (26.2 lbs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on delivering reliable, direct-fit replacement rotors with vented designs to improve heat dissipation and maintain consistent braking performance. The 121.61003 rotor is part of this line, providing a balance of durability and precision fitment for compatible Ford, Lincoln, and Mercury vehicles.

Product Details and Specifications

This vented disc brake rotor features a smooth surface type to ensure even pad contact and reduce noise during braking. The rotor’s nominal thickness of 30.100 mm and discard thickness of 28.450 mm provide clear service limits for maintenance. With a 5-lug hole pattern and a mounting bolt hole circle diameter of 114.3 mm, it fits securely on the hub and rotor assembly. The rotor’s overall height of 114.9 mm and center hole diameter of 70.5 mm ensure proper alignment and fitment. The straight vane style enhances airflow to help dissipate heat during braking, reducing the risk of rotor warping under normal operating conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford LTD, Lincoln Continental, and Mercury Marauder
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency and safety
• Improves heat dissipation to reduce brake fade during extended use
• Compatible with vehicles experiencing rotor scoring or surface damage

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (28.450 mm) before installation
• Clean rotor surface and hub mounting area to prevent uneven contact
• Use proper torque specifications for the 5 lug nuts with 0.500 inch stud thread diameter
• Check for proper alignment of the center hole diameter (70.5 mm) during installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.61003 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable braking performance when installed and maintained according to manufacturer guidelines.