Stoptech 128.35037L Disc Brake Rotor - Rear Left

Overview of StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.35037L is engineered for Mercedes-Benz ML320, ML350, and ML430 models. Designed to maintain consistent braking performance, this solid rotor features a coated hat finish and cross-drilled surface for improved heat dissipation.

• Compatible with Mercedes-Benz ML320, ML350, ML430
• Part Number: 128.35037L
• Solid disc brake rotor with cross-drilled surface
• Coated hat finish for corrosion resistance
• Outside diameter: 285 mm (11.220 inches)
• Nominal thickness: 15.000 mm (0.591 inches)
• Discard thickness: 13.000 mm (0.512 inches)
• Overall height: 55.600 mm (2.189 inches)
• 5 lug holes with 112 mm bolt circle diameter
• Weight approximately 6.4 kg (14.09 lbs)

Product Line Details: StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management. The cross-drilled surface pattern helps reduce brake fade by allowing heat and gases to escape more efficiently during braking. This rotor is solid type, offering durability and consistent wear characteristics suitable for daily driving and moderate performance use on Mercedes-Benz ML series vehicles.

Technical Specifications and Features

This disc brake rotor features a solid construction with a nominal thickness of 15.000 mm and a discard thickness of 13.000 mm, ensuring a reliable service life before replacement is necessary. The rotor’s outside diameter measures 285 mm, matching the OEM specifications for the Mercedes-Benz ML320, ML350, and ML430. The coated hat finish provides corrosion resistance, extending the rotor’s lifespan in various driving conditions. The rotor includes five lug holes arranged on a 112 mm bolt circle diameter, compatible with the specified Mercedes-Benz models. The center hole diameter is 67 mm, and the rotor weighs approximately 6.4 kg, balancing strength and weight for optimal braking response.

Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz ML320, ML350, ML430
• Improves heat dissipation to reduce brake fade during extended braking
• Addresses rotor corrosion issues with coated hat finish
• Restores braking performance affected by rotor thickness below discard limits
• Compatible upgrade for maintaining OEM braking specifications

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 13.000 mm. Clean the rotor surface to remove any protective coatings or debris before mounting. Use proper torque specifications for the 5 lug nuts on the 112 mm bolt circle to avoid warping. This rotor does not include bearings or an ABS tone ring, so verify compatibility with your vehicle’s existing components. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish enhances corrosion resistance, contributing to long-term durability. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.