What is the benefit of drilled and slotted rotors?

Drilled holes help dissipate heat and gases away from the rotor surface. The slots help to sweep away brake dust and water, which can improve stopping consistency, especially under heavy braking conditions.

Does this rotor come with any hardware?

This listing is for a single rear left brake rotor. Hardware such as lug nuts or brake pads are typically sold separately. Please refer to the product details for a complete list of included items.

Will this rotor fit my 1990 Mazda 929?

This specific rotor is designed for the 1988 and 1989 Mazda 929 models. Fitment can vary between model years, so it's important to confirm compatibility for your specific vehicle.

R1 88-89 Mazda 929 Rear Left Drilled & Slotted Black Brake Rotor

Specifications

Brand: R1 Concepts
Part #: ECB-80020L
UPC: 194873289362

R1 88-89 Mazda 929 Rear Left Drilled & Slotted Black Brake Rotor

Name: R1 88-89 Mazda 929 Rear Left Drilled & Slotted Black Brake Rotor
Brand: R1 Concepts
Price: 105.28 USD
Availability: InStock

$105.28

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1988-1989 Mazda 929. This rear left drilled and slotted brake rotor from R1 Concepts offers improved stopping performance.

Key Features

Fits 1988-1989 Mazda 929 rear left.
Drilled holes help vent heat and gases for improved stopping.
Slotted design clears brake dust and water for consistent performance.
Black finish provides corrosion resistance and a clean look.
Direct replacement for easy installation.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Mazda 929 1988-1989

Product Details

If you're looking to improve your braking performance on your 1988-1989 Mazda 929, this rear left drilled and slotted brake rotor from R1 Concepts is a solid option. These rotors are designed to help dissipate heat and clear away brake dust and gas, which can lead to more consistent stopping power, especially during spirited driving or repeated braking.

The drilled holes help vent gases and heat away from the rotor surface, while the slots help sweep away dust and water. This combination means you'll get a more reliable bite when you apply the brakes. The black finish not only looks good behind your wheels but also offers some corrosion resistance to keep them looking sharp.

This rotor is a direct replacement for your original rear left rotor, making installation straightforward. It's a well-built part that can make a noticeable difference in how your 929 stops.