OVERVIEW

Upgrade your GR Corolla's rear braking with DBA's 4000 Series Standard Rotor — engineered for drivers who demand performance without the visual aggression of slots. Cast from high-carbon XG-150 alloy iron and thermally profiled for extreme durability, this single-piece rotor handles sustained hard braking and track use while maintaining a clean, OEM-style appearance. The patented Kangaroo Paw ventilation pattern delivers up to 30% more cooling surface area and 20% better heat dissipation than conventional designs, keeping temperatures stable lap after lap. A direct bolt-on replacement that upgrades your stopping power while preserving factory aesthetics.

FEATURES

• High-Carbon XG-150 Cast Iron: Premium material engineered through Thermal Stability Profiling to withstand repeated high-heat braking cycles without fade or distortion.
• Kangaroo Paw Ventilation: DBA's patented 144 diamond and teardrop-patterned pillars increase cooling surface area by 30% and improve heat dissipation efficiency by 20% compared to traditional straight-vane designs.
• OEM-Style Smooth Finish: Clean, factory-appearance design ideal for drivers who want performance gains without aggressive visual modifications.
• Single-Piece Construction: Durable, affordable one-piece design optimized for street performance, daily driving, and weekend track sessions.
• Thermographic Heat Paint: Temperature-sensitive paint markings change color at specific thresholds to monitor peak braking temperatures and rotor condition.
• Direct OEM Replacement: Bolt-on fitment to factory rear brake calipers with no modifications or special hardware required.
• Proven Performance Heritage: DBA rotors are trusted by performance drivers and motorsport competitors worldwide for consistent, reliable stopping power.

SPECIFICATIONS

• Rotor Diameter: 326mm (12.8")
• Thickness: 11mm
• Series: DBA 4000 Series
• Construction: Single-Piece
• Material: High-Carbon Cast Iron (XG-150)
• Finish: Standard OEM-Style (Smooth, No Slots)
• Ventilation: Kangaroo Paw Pattern (144 pillars)
• Warranty: 12 Months / 12,000 Miles

WHAT IS INCLUDED

• 1x DBA 4000 Series Standard Rear Rotor (Single Rotor)

PART NUMBER

• DBA43467

OEM Cross-Reference:

• Toyota 42431-52190 / 42432-52010 — Rear Disc Brake Rotor (2023+ GR Corolla)

FITMENT

• 2023–2026 Toyota GR Corolla (Rear Position)