What is the benefit of a drilled brake rotor?

Drilled rotors help to improve braking performance by allowing heat and gases to escape from the rotor surface more easily. This can lead to more consistent stopping power, especially during repeated hard braking.

What does the black E-coating do?

The black E-coating is a protective finish applied to the rotor's surface. It helps prevent rust and corrosion, which keeps the rotor looking good and maintains its performance over time.

Is this rotor a direct replacement for my stock brake rotor?

Yes, this rotor is designed as a direct replacement for the original equipment rotor on your 1988-1994 Buick Cutlass Supreme. It should install in place of your factory rotor without needing modifications.

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Trusted Since 1957

Est. 1957

Specifications

Brand: R1 Concepts
Part #: 623-45005L

R1 88-94 Buick Cutlass Supreme Rear Left Drilled Black Brake Rotor

Name: R1 88-94 Buick Cutlass Supreme Rear Left Drilled Black Brake Rotor
Brand: R1 Concepts
SKU: r1-concepts-r1-88-94-buick-cutlass-supreme-rear-left-drilled-black-brake-rotor-t14-957398
Price: 89.84 USD
Availability: BackOrder

$89.84

On Backorder

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

R1 Concepts rear left drilled black brake rotor for 1988-1994 Buick Cutlass Supreme.

Key Features

Fits 1988-1994 Buick Cutlass Supreme rear left.
Drilled rotor design helps with heat dissipation and gas/dust clearing.
Black E-coating provides corrosion resistance.
Direct replacement for the original equipment rotor.

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About this part

Product Details

This is a rear left drilled black brake rotor from R1 Concepts, made to fit your 1988-1994 Buick Cutlass Supreme. Rotors are a critical part of your braking system, and this one is designed to replace your original equipment rotor. The drilled pattern on this rotor helps to dissipate heat and can also help clear away dust and gas that build up during braking, which can improve stopping performance, especially under harder use.

R1 Concepts uses a black E-coating on this rotor, which helps protect it from rust and corrosion, keeping it looking good and performing well for longer. This rotor is a direct replacement for your stock unit, meaning it should install without any major modifications. If you're looking to replace a worn or damaged rear rotor on your Cutlass Supreme, this drilled option from R1 Concepts is a solid choice.