Rear Wheel Brake Disc Rotor 42431-12310 for Toyota Lexus Subaru High-Performance Replacement
$30.24
Shop high-performance Rear Brake Disc 42431-12310 for Toyota, Lexus, and Subaru. Durable cast iron construction ensures reliable stopping power and quiet operation.
10000 in stock
Description
Key Selling Points
- Perfect Fitment: Designed as a direct OE replacement for part number 42431-12310, ensuring precise compatibility with select Toyota, Lexus, and Subaru models.
- Superior Braking Performance: Engineered specifically for rear wheel applications to provide stable, consistent stopping power and high-speed braking reliability.
- Premium Metallurgy: Crafted from high-quality grey cast iron for exceptional heat dissipation and resistance to thermal cracking or warping under heavy loads.
- Quiet Operation: Features a precision-balanced design to eliminate vibration and brake judder, ensuring a smooth and quiet driving experience for AT/Automatic models.
- Anti-Corrosion Surface: Treated with a protective coating to prevent rust and corrosion, maintaining structural integrity and a clean appearance over time.
Technical Specifications
| Part Number | 42431-12310 |
|---|---|
| Placement on Vehicle | Rear Wheel (Left or Right) |
| Material | G3000 Gray Cast Iron |
| Brake Rotor Type | Solid Rear Disc |
| Transmission Compatibility | AT / Automatic Transmission |
FAQ Q&A
Q: Is Part Number 42431-12310 sold as a single rotor or a pair?
A: This listing is typically for a single rear brake disc. For optimal performance and safety, it is highly recommended to replace brake rotors in pairs for both sides of the axle.
Q: Will this brake disc fit my Subaru if it's listed for Toyota?
A: Yes, many Toyota, Lexus, and Subaru models share the same platform and OE part number 42431-12310. Please verify your vehicle's fitment using the OE part number matches.
Q: Does this rotor require any special coating removal before installation?
A: Most of our rotors come with a protective oil film or anti-corrosion coating. We recommend cleaning the friction surface with brake cleaner before installation for maximum pad bite.









Additional information
| Weight | 6.2 kg |
|---|---|
| Dimensions | 32 × 32 × 8 cm |



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