Stoptech 128.34051R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled Disc Brake Rotors for BMW X5

Upgrade your BMW X5 braking system with the StopTech Sport Cross-Drilled Disc Brake Rotors, part number 128.34051R. Designed for solid performance and durability, these rotors offer precise fitment and reliable stopping power.

• Compatible with BMW X5 models
• Part Number: 128.34051R
• Cross-drilled solid disc rotor design
• Coated hat finish for corrosion resistance
• Outside diameter: 12.756 inches (324 mm)
• Nominal thickness: 0.472 inches (12.000 mm)
• Discard thickness: 0.409 inches (10.400 mm)
• Overall height: 3.154 inches (80.100 mm)
• 5 lug holes with 4.724 inch (120 mm) bolt circle diameter
• Center hole diameter: 2.953 inches (75 mm)
• Weight approximately 15.41 lbs (7.0 kg)

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is engineered to provide enhanced heat dissipation and consistent braking performance. Featuring a cross-drilled surface type, these solid rotors help reduce brake fade by improving airflow and heat management. The coated hat finish protects against rust and corrosion, extending rotor life. This product line is designed for drivers seeking reliable, track-inspired braking components that maintain OEM fitment and function.

Product Details and Specifications

This StopTech rotor is a solid disc type with a cross-drilled surface, measuring 12.756 inches in outside diameter and 0.472 inches in nominal thickness. The discard thickness is 0.409 inches, indicating when the rotor should be replaced to maintain safe braking performance. The rotor features a coated hat finish to resist corrosion and an overall height of 3.154 inches. It includes five lug holes arranged on a 4.724 inch bolt circle diameter, with a center hole diameter of 2.953 inches. This rotor does not include ABS tone rings or bearings and weighs approximately 15.41 pounds.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW X5 vehicles
• Improves heat dissipation to reduce brake fade during aggressive driving
• Addresses rotor corrosion issues with coated hat finish
• Restores braking performance compromised by rotor thickness below discard limits
• Provides consistent stopping power for daily driving and light performance use

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with existing brake pads and calipers on BMW X5
• Inspect related components such as wheel bearings and hardware during installation

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, StopTech products typically come with a limited warranty against defects in materials and workmanship. Proper installation and maintenance are essential to ensure optimal performance and longevity.