DuraGo BR31387-01 Disc Brake Rotor - Rear

Durable Cast Iron Disc Brake Rotor for Nissan and Infiniti

The DuraGo BR31387-01 disc brake rotor is engineered for reliable braking performance on select Nissan and Infiniti models. Designed with a full cast construction and rust-resistant coating, this vented rotor offers consistent heat dissipation and long-lasting durability.

• Material: Cast iron for strength and heat resistance
• Vented design to improve cooling and reduce brake fade
• Rust-resistant coating to protect against corrosion
• Drum-in-hat construction for integrated parking brake functionality
• Non-directional brake surface for versatile installation
• Five mounting bolt holes with 114.3 mm bolt circle diameter
• Compatible with Nissan 350Z, 370Z, Z and Infiniti G25, G35, G37, EX35, EX37, M35, M45, Q40, QX50

Technical Details and Specifications

The DuraGo BR31387-01 rotor features a nominal thickness of 0.63 inches (16 mm) and a discard thickness of 0.55 inches (14 mm), ensuring precise wear limits for safe operation. Its overall height measures 2.45 inches (62.2 mm), and the outside diameter is 12.11 inches (307.7 mm). The center hole diameter is 2.68 inches (68 mm), designed to fit securely on the hub. This rotor includes five mounting bolt holes, each 0.5 inches (12.7 mm) in diameter, arranged on a 4.5 inch (114.3 mm) bolt circle diameter. The rotor is vented to enhance heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The drum-in-hat design integrates the parking brake drum within the rotor, compatible with vehicles equipped with drum parking brakes.

Compatible Vehicles and Applications

This disc brake rotor is compatible with a range of Nissan and Infiniti vehicles, including the Nissan 350Z, 370Z, and Z models, as well as Infiniti G25, G35, G37, EX35, EX37, M35, M45, Q40, and QX50. The part number BR31387-01 ensures correct fitment for these models, providing a direct replacement for worn or damaged rotors.

• Restores braking performance on Nissan 350Z and 370Z sports cars
• Replaces worn rotors on Infiniti G and EX series sedans and crossovers
• Addresses rotor thickness wear and brake fade issues
• Improves heat dissipation for consistent braking response
• Prevents corrosion-related rotor damage with rust-resistant coating

Installation Notes and Tips

When installing the DuraGo BR31387-01 rotor, ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness is above the discard limit of 0.55 inches (14 mm) to maintain safe braking performance. This rotor is non-directional, allowing installation on either side of the vehicle. Use proper torque specifications for the five mounting bolts to secure the rotor firmly. Since this rotor features a drum-in-hat design, confirm compatibility with the vehicle’s parking brake system.

Quality Assurance and Warranty

DuraGo manufactures this disc brake rotor with strict quality control standards to meet or exceed OEM specifications. The cast iron material and rust-resistant coating contribute to the rotor’s durability and corrosion resistance. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.