GM 85521918 Rear Performance Brake

( Brand: Gm ), ( Part Type: Brake ), ( Manufacturer Part Number: 85521918 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2021 2022 2023 2024 ), ( Replaces Part Number: 84436255 )

Review GM Genuine Performance Brake Upgrade System Rear fits 2021–2024

The GM 85521918 Performance Brake Rear Kit is an upgraded brake solution designed to enhance the braking performance of your vehicle. This rear brake kit is engineered to provide improved stopping power, responsiveness, and durability compared to the original equipment.

The heart of this brake kit is a set of high-performance rear brake calipers. These calipers are precision-machined from top-grade materials, ensuring a perfect fit and superior strength. Each caliper features large, sintered brake pads that deliver excellent friction and longevity. The calipers also come with pistons that have a larger diameter than stock, which results in better pad pressure and more efficient braking.

The kit also includes rear brake rotors that are slotted and drilled for superior heat dissipation and better grip. The drilled rotors help reduce weight and provide better cooling, while the slots help clear away brake pad material, reducing the risk of brake pulsation and ensuring consistent performance.

The Performance Brake Rear Kit comes with new brake lines made of high-quality, stainless steel braided hoses. These hoses offer better resistance to corrosion, pressure fluctuations, and heat compared to traditional rubber lines. The new hoses also feature T-bolt fittings that provide a secure and leak-free connection.

The kit includes all necessary hardware, such as bolts, nuts, and washers, to facilitate a straightforward installation process. The installation instructions are clear and easy to follow, and the kit includes all necessary components to complete the installation.

In summary, the GM 85521918 Performance Brake Rear Kit is an excellent upgrade for vehicles in need of improved braking performance. This kit offers enhanced stopping power, responsiveness, and durability, thanks to its high-performance calipers, sintered brake pads, slotted and drilled rotors, and stainless steel braided hoses. With its easy installation process and top-quality components, this brake kit is an excellent investment for any vehicle enthusiast.

Pros and Cons of Buying GM 85521918 Performance Brake Rear

The GM 85521918 Performance Brake Rear is an aftermarket brake component designed to enhance the braking performance of specific GM vehicles. Like any automotive part, it comes with its advantages and disadvantages. In this analysis, we will discuss these aspects to help you make an informed decision about purchasing this brake component.

1. Improved Braking Performance: The primary advantage of the GM 85521918 Performance Brake Rear is the enhanced braking power it provides. This component is engineered to improve stopping distance, reduce brake pedal effort, and ensure consistent performance under various driving conditions.

2. Durability: The performance brake rear is designed using high-quality materials that ensure longevity. This can save you the cost and hassle of frequent brake replacements.

3. Custom Fit: This brake component is specifically engineered for GM vehicles, ensuring a perfect fit. This can minimize the need for extensive modifications or customization.

4. Enhanced Driving Experience: The improved braking performance translates into a more enjoyable and confident driving experience, especially for those who frequently drive on highways or in hilly conditions.

1. Cost: The GM 85521918 Performance Brake Rear is a premium aftermarket part, and its cost may be higher than that of OEM (original equipment manufacturer) brake components.

2. Installation Complexity: Installing this brake component may require advanced mechanical skills and specialized tools. It's recommended to have the installation done by a professional mechanic to ensure proper installation and function.

3. Loud Brakes: Some users have reported that their performance brakes produce a louder noise than stock brakes. This can be due to the increased friction and heat generated during braking.

4. Increased Brake Wear: The performance brake rear may wear out faster than OEM components due to the increased braking demands and heat generated during high-performance driving.

The GM 85521918 Performance Brake Rear is an excellent option for those seeking improved braking performance and a more enjoyable driving experience. It offers durability, a custom fit, and enhanced driving confidence. However, it comes with a higher cost, installation complexity, and potential for increased noise and brake wear.

If you frequently drive on highways, in hilly conditions, or simply desire improved braking performance, the GM 85521918 Performance Brake Rear could be a worthwhile investment. However, it's essential to consider the costs, installation requirements, and potential downsides before making a purchase. If you are unsure about the installation process or your mechanical skills, it's recommended to consult a professional mechanic for advice and assistance.

part # 85521918 prices

• $699.00-$805.50

specifications frazzlekits:

• for years: 2021-2024
• brand: Gm
• part type: Brake
• manufacturer part number: 85521918
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Cadillac
• year: 2021 2022 2023 2024
• replaces part number: 84436255

returns frazzlekits:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments frazzlekits:

• credit card: Discover
• other
• wallet: Apple-pay

seller frazzlekits:

• # reviews: 19694
• rating: 96.1%

shipping frazzlekits:

• cost: $0.00
• type: Fixed
• class: Standard
• transit: 5-12 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery

offer frazzlekits:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: August 14, 2025
• availability: In Stock

general frazzlekits:

• Car Truck Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
• condition: New

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