Bendix Premium PRT5117 Rear Brake Rotor for Audi 100 1991-1989

In this review the Bendix Premium PRT5117 rear brake rotor is assessed for drivers who need a direct OE replacement for an Audi 100 1991-1989. The bottom line: this rotor is for owners seeking dependable braking performance and a quiet, durable original-equipment fit. It is engineered to OE specifications for fit, form, and function, and the reviewer found the main reason to buy is the combination of reliable stopping power and reduced noise compared with worn or cheaply made rotors.

Key Features

• OE replacement: Designed and engineered to OE specifications to ensure correct fit and consistent operation with factory brake components.
• Superior performance: Provides reliable stopping power under normal and demanding driving, improving driver confidence during braking.
• Heat dissipation: Advanced casting design helps dissipate heat efficiently, reducing the risk of brake fade during repeated stops.
• Noise reduction: Dynamically balanced and shaped to minimize noise and vibration for a quieter braking experience.
• Durable construction: Made from high-grade cast iron to withstand continuous heat-up and cool-down cycles for long service life.

Who It's For

The Bendix PRT5117 is best for Audi 100 owners from the 1989-1991 model years who want a direct-fit replacement rotor that mirrors original equipment quality. It also fits owners who value a quieter braking system and straightforward installation without modification.

This rotor is not aimed at drivers seeking aftermarket performance upgrades like slotted or drilled racing rotors; those who need specialty performance rotors or custom fitments should look elsewhere.

Pros & Cons

Pros

• True-to-OE fit and function that simplifies installation and alignment with existing brake parts.
• Good value compared with machine-turning old rotors, offering lasting durability at a reasonable replacement cost.
• Notable reduction in squeal and vibration thanks to dynamic balancing and design focus on noise reduction.

Cons

• Limited to OE-style performance; it is not a high-performance, track-oriented rotor for aggressive driving.

Specifications

Product	Bendix Premium PRT5117 Rear Brake Rotor
Vehicle application	Audi 100 1991-1989
Design intent	OE replacement for fit, form, and function
Material	High-grade cast iron
Key benefits	Heat dissipation, noise reduction, superior braking performance
Balance	Dynamically balanced to reduce vibrations

Our Verdict

The Bendix PRT5117 rear rotor is a practical, value-oriented choice for Audi 100 owners who need a reliable OE-style replacement. It delivers consistent stopping power, quieter operation, and solid durability at a sensible price, making it a smart buy for routine maintenance rather than high-performance upgrades.

Frequently Asked Questions

Will this rotor directly replace the original rear rotor?
Yes. It is engineered to OE specifications for direct fit, form, and function on Audi 100 1991-1989 models.

Does it reduce brake noise?
Customers report quieter braking and reduced squeal thanks to dynamic balancing and noise-reduction design elements.

Is this a performance rotor for track use?
No. It is an OE-style replacement built for durability and everyday driving, not for high-performance or track-focused use.