Stoptech 127.35012L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.35012L) is engineered for reliable braking performance on select Chrysler and Mercedes-Benz vehicles. Designed to meet the demands of drivers seeking enhanced heat dissipation and consistent stopping power, this rotor is compatible with models such as the Chrysler 300CE, 300E, 300TD, 300TE, and Mercedes-Benz C230, C240, C280, Crossfire, E300, E320, SLK230, SLK280, SLK300, and SLK320.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with coated hat finish for corrosion resistance
• Nominal thickness of 0.354 inches (9.000 mm) with discard thickness at 0.287 inches (7.300 mm)
• Overall height of 2.205 inches (56.000 mm) and outside diameter of 10.945 inches (278.000 mm)
• Five lug holes with a 4.409 inch (112.000 mm) bolt circle diameter
• Center hole diameter of 2.638 inches (67.000 mm) for precise fitment
• Weight approximately 9.0 lbs (4.09 kgs)

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved rotor cooling and pad bite. The cross-drilled holes and slots help reduce brake fade by allowing gases and heat to escape more efficiently during heavy braking. This product line is ideal for drivers who require consistent braking performance under demanding conditions, such as spirited driving or towing, while maintaining compatibility with factory brake components.

Technical Specifications and Compatibility

This disc brake rotor features a solid rotor design with a coated hat finish to resist corrosion and extend service life. The rotor’s nominal thickness is 0.354 inches (9.000 mm), with a discard thickness of 0.287 inches (7.300 mm), ensuring safe replacement intervals. The rotor measures 10.945 inches (278.000 mm) in outside diameter and 2.205 inches (56.000 mm) in overall height. It includes five lug holes with a 4.409 inch (112.000 mm) bolt circle diameter and a center hole diameter of 2.638 inches (67.000 mm), making it compatible with specific Chrysler and Mercedes-Benz models listed above. Note that this rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Reduces brake fade during high-performance or heavy-duty driving
• Improves heat dissipation to prevent rotor warping
• Enhances brake pad cleaning for consistent stopping power
• Addresses corrosion issues with coated hat finish
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

Ensure the rotor is installed on compatible Chrysler or Mercedes-Benz models as specified. Verify rotor thickness before installation to confirm it meets minimum discard thickness. Use proper torque specifications for lug nuts and inspect brake pads for wear during rotor replacement. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. Proper cleaning of the rotor surface before installation is recommended to remove any protective coatings.

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.