Perfect Stop 6621369 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ford F-150 and Lincoln Mark LT

The Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6621369) is engineered to meet the braking demands of Ford F-150 and Lincoln Mark LT trucks. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

Key Features of Perfect Stop 6621369 Disc Brake Rotor

• Vented rotor design for improved heat dissipation
• Overall height of 3.134 inches (79.6 mm) for proper fitment
• Outside diameter measures 13.709 inches (348.2 mm)
• Nominal thickness of 0.984 inches (25.0 mm) with discard thickness at 0.906 inches (23.0 mm)
• Seven mounting bolt holes with a 150 mm (5.906 inch) bolt circle diameter
• Center hole diameter of 3.543 inches (90.0 mm) for accurate alignment
• Smooth surface type for consistent brake pad contact
• ABS tone ring not included

About the Gray Armor-Plate, Premium Product Line

The Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering rotors with enhanced surface protection and durability. This product line features a specialized coating that helps resist corrosion and wear, extending the rotor's service life. The 6621369 rotor benefits from this coating, making it suitable for drivers who require reliable braking components for their Ford F-150 or Lincoln Mark LT.

Detailed Product Description

This disc brake rotor is designed specifically for select Ford and Lincoln models, including the F-150 and Mark LT. Its vented construction allows for better heat management during braking, reducing the risk of brake fade. The rotor's dimensions, including a 13.709-inch outside diameter and 3.134-inch overall height, ensure proper fitment and compatibility. The smooth surface type promotes even pad wear and consistent braking performance. With seven mounting bolt holes arranged on a 150 mm bolt circle diameter, installation aligns precisely with factory specifications.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading corroded rotors to improve braking reliability
• Resolving noise issues related to uneven rotor surfaces
• Maintaining proper brake system performance on Ford F-150 and Lincoln Mark LT
• Ensuring safe stopping power under heavy load or towing conditions

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the mounting bolt hole pattern and center hole diameter match your vehicle specifications. Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle’s ABS system. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Perfect Stop manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The Gray Armor-Plate, Premium rotors undergo quality checks to ensure durability and performance. Warranty details are provided by the manufacturer and should be reviewed prior to installation.