Brake Discs
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ECE R90 certified brake discs
It should come as no surprise that our brake discs for new vehicles launched post 1 st November 2016 are R90 certified, alongside a range for popular older applications. After all, we’ve been meeting these quality standards for many years. The only difference today: our discs now undergo official ECE R90 testing schedules including performance, dynamic friction comparison, high load integrity and thermal fatigue analysis to certify that they perform to a prescribed tolerance of the OE part.
Learn more about Delphi’s R90 certified brake discs and why it matters.
Fully coated brake discs
Thanks to a special zinc-flake, silver Geomet coating, our coated brake discs offer greater and longer-lasting corrosion protection compared with many oil-dipped or partially painted and coated equivalents, whilst also being more cosmetically appealing. And because they have no oil to clean off, they save valuable labour and service time. All this makes for a better protected disc that’s easier to install, easier to dismount as well as being easy on the eye too.
High-carbon brake discs
The added carbon content in our high-carbon discs helps to both reduce the risk of thermal cracking under high-temperature loads, and allows the discs to operate at a cooler temperature, for a more consistent braking performance. It also increases their resistance to distortion or warping for added durability, while delivering noise and judder free braking.
Cross-drilled brake discs
As well as looking cool from behind your wheels, our cross-drilled discs will keep your brakes feeling the same way – cool. The cross-drilled holes dissipate heat, brake dust and gases, helping to keep the pad surface cool and clean and reducing the risk of thermal distortion and warping. These same holes also prevent a film of water forming during wet conditions for improved braked response.
Vented brake discs
Our vented discs feature special internal cooling passages to maximise airflow. By continually moving air across the disc’s surface or through the disc itself, they allow more heat to be dissipated, improving both cooling capacity and resistance to cracking from thermal shock.
Brake discs with bearings
To avoid damage to the bearing during removal, and ensure the correct pressing in into the new, we offer a range of discs with these safety critical components already pre-mounted. They also include both toothed and magnetic ABS sensor rings, as per the OE, and the relevant fixing accessories. All for quick and accurate installation.
One-piece cast iron brake discs
Our one-piece cast iron discs offer an aftermarket alternative to BMW’s patented two-piece bi-metallic composite disc. Engineered from a single piece of cast iron, they deliver the same standards of consistency, longevity and braking performance as the two-piece disc, but at a fraction of the price. And to top it off, they come with fixing screws for quicker and easier fitting.
The Delphi Difference
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100 years of OE experience, supplier to the world’s top automakers
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OE heritage and knowledge built into every aftermarket part
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Comprehensive portfolio for a wide range of vehicles and model years
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Streamlined SKUs for easy inventory management
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Support through tools, tips and training
Related product resources and downloads
Resource Highlights
Brake disc and pad replacement is an essential part of vehicle maintenance, even in an electric vehicle where regenerative braking means the friction components aren’t in use quite as much.
Get some tips on replacing the brake discs and pads on a Tesla Model S with our experts at Delphi. Watch the video to find out:
Why do I need to clean the hub?
The hub should be cleaned to remove the worst of the dirt and debris from around the centre of the hub. Simply replacing the brake discs means they may not sit properly on the hub which will lead to excessing runout.
How can I make hub removal simpler for next time?
Apply high-temperature grease around the centre of the hub. This should help to prevent the brake disc from fusing to the hub next time a replacement is needed.
Does the Model S need a brake shim kit?
When fitted to the back of the brake pad, the brake shim kit helps reduce noise. Delphi’s specialist EV brake shim kits make it simpler to bed in the new brake discs and pads.
Why do a runout check of the hub?
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