Stoptech 127.44109L Disc Brake Rotor - Front Left

StopTech Sport Rotor for Tacoma and 4Runner

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor, part number 127.44109L, is a direct replacement front left rotor for select Toyota Tacoma and Toyota 4Runner applications. It combines a vented rotor design with cross-drilled and slotted surfaces to support more consistent braking response in everyday driving and demanding stops.

Key Features

• StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors for factory brake systems and stock calipers
• Front left fitment for select Toyota Tacoma and Toyota 4Runner models
• Vented rotor construction with straight vane style
• Slotted X drilled surface helps move heat and brake dust away from the pad face
• Black e-coating on the hat helps resist corrosion
• High carbon metallurgy in most applications for quieter operation and improved crack resistance
• Coated hat finish for a cleaner appearance behind the wheel
• Part number 127.44109L

Product Details

StopTech designed this rotor as a one-piece replacement for OE-style brake systems, making it a practical upgrade for drivers who want improved pedal feel without changing stock calipers. The 296.8 mm outside diameter, 21.7 mm nominal thickness, and 20.0 mm discard thickness align with the listed applications, while the 6-lug, 139.7 mm bolt circle and 108.0 mm center hole support the confirmed fitment. For Toyota Tacoma and Toyota 4Runner owners, this rotor adds a performance-oriented surface pattern while maintaining direct replacement compatibility.

This part cross-references no listed interchange numbers in the provided data. Part number 127.44109L is also a useful reference when searching for a front left Toyota Tacoma rotor or Toyota 4Runner front brake rotor with drilled and slotted construction.

What It Helps Address

• Brake fade from repeated heat buildup
• Pad glazing that can reduce initial bite
• Brake dust accumulation on the rotor face
• Corrosion on exposed rotor surfaces
• Reduced braking consistency in wet or dry conditions

Installation Notes

Fits 1995-1998 Toyota Tacoma, front left. Fits 1998-2003 Toyota Tacoma, front left, 6 lug. Fits 2004 Toyota Tacoma, front left, 6 lug, except VSC. Fits 1995-1996 Toyota 4Runner, front left, 297 mm front disc, front caliper casting #S12WE, front after 11/95. Fits 1997-2002 Toyota 4Runner, front left, 297 mm front disc, front caliper casting #S12WE.

Verify rotor dimensions, hub fitment, and caliper casting before installation. Clean the rotor and mating surfaces before assembly, and follow the vehicle manufacturer’s brake service procedure for bedding-in new pads and rotors.

Quality Assurance

StopTech Sport rotors use black e-coating for corrosion protection and high carbon metallurgy in most applications to support quieter operation and better crack resistance. The rotor is built as a direct replacement disc for factory brake systems and stock calipers.