Stoptech 126.45067SL Disc Brake Rotor - Rear Left

StopTech Rear Left Slotted Rotor for Mazda 3

The StopTech Sport Slotted Disc Brake Rotor, part number 126.45067SL, is a direct replacement rotor for factory brake systems and stock calipers. It is built for the rear left position on select Mazda 3 and Mazda 3 Sport models, with slotting that helps manage heat, brake dust, and pad glazing.

For drivers searching for a Mazda 3 rear left brake rotor or a StopTech 126.45067SL replacement, this rotor combines OE-style fitment with performance-focused surface design. The coated hat and black e-coating help resist corrosion, while the high-carbon metallurgy used in most applications supports quieter operation and improved crack resistance.

Key Features

• Direct replacement disc brake rotor for factory brake systems and stock calipers
• Slotted surface helps disperse heat and brake dust
• Slotting helps reduce pad glazing and improve initial bite
• Black e-coating helps protect against corrosion
• High-carbon metallurgy used in most applications for quieter operation and added durability
• Coated hat finish
• Rear left position fitment
• Part number 126.45067SL

Product Details

StopTech Sport Slotted Disc Brake Rotors are built as one-piece replacement brake discs for vehicles using stock calipers. This rotor measures 11.024 inches in outside diameter, 1.610 inches in overall height, and 0.433 inches nominal thickness, with a 5-lug pattern and a 114.3 mm bolt circle. The solid rotor design and floating disc mounting support a direct-fit replacement for the specified rear left application. If you need a StopTech 126.45067SL rotor for a Mazda 3 rear left brake service, this part matches the listed fitment and dimensions.

Compatible With: 2004-2013 Mazda 3, rear left; 2012-2013 Mazda 3 Sport, rear left.

Common Issues This Rotor Can Address

• Brake fade from heat buildup during repeated stops
• Brake dust accumulation on the rotor surface
• Pad glazing that reduces braking response
• Corrosion on exposed rotor surfaces
• Reduced wet and dry braking consistency

Installation Notes

Verify rotor dimensions, hub fitment, and rear left position before installation. This rotor is intended for factory brake systems and stock calipers, so confirm the vehicle uses the listed rear left application. Inspect pads, caliper condition, and hub surfaces during brake service to help ensure even contact and proper braking performance.

Quality Assurance

StopTech Sport Slotted Rotors use a corrosion-resistant black e-coating and high-carbon metallurgy in most applications to support durability, quieter operation, and improved crack resistance. Part number 126.45067SL is engineered as a direct replacement rotor for the listed Mazda applications.