SKU: 17460248624

034 Motorsport 2-Piece Floating Rear Brake Rotor 370mm Upgrade for B9/B9.5 Audi A4/S4, A5/S5, Q5/SQ5, & RS4/RS5

Sale price$730.94 Regular price$812.16
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

034 Motorsport 2-Piece Floating Rear Brake Rotor 370mm Upgrade for B9/B9.5 Audi A4/S4, A5/S5, Q5/SQ5, & RS4/RS5The 034Motorsport 370x22mm 2 Piece Floating Rear Brake Rotor Upgrade for B9 B9. 5 Audi A4 S4, A5 S5, Q5 SQ5, & RS4 RS5 is a complete replacement brake rotor and caliper carrier kit, designed to work flawlessly with the factory rear calipers. Upgrading your rotors will increase overall braking performance in street, track, and HDPE driving conditions, as they keep your brakes cool and strong all day long! Weighing in at approximately 15. 1lbs, each


The 034Motorsport 370x22mm 2-Piece Floating Rear Brake Rotor Upgrade for B9/B9.5 Audi A4/S4, A5/S5, Q5/SQ5, & RS4/RS5 is a complete replacement brake rotor and caliper carrier kit, designed to work flawlessly with the factory rear calipers. Upgrading your rotors will increase overall braking performance in street, track, and HDPE driving conditions, as they keep your brakes cool and strong all day long! 

Weighing in at approximately 15.1lbs, each rotor reduces rotational weight by 1.6lbs on each corner over the factory 16.7lbs rotors, and increases rotor diameter from 330mm to 370mm! While reducing weight, the rotor retains proper thermal mass in the rings to adequately capture heat, while utilizing 36 directionally curved vanes to forcefully flow cool air through the rotor to dissipate heat.

Upsizing the rear rotor size from 330mm to 370mm repositions the caliper further outward, increasing its leverage on the rotor. With this added leverage, the factory rear caliper can generate more braking force at the rear axle. This not only improves rear-end braking performance, but also helps take stress off the front brakes during hard stops. The result is a more balanced braking system with better stability, reduced front brake overload, and enhanced overall stopping confidence.

The central hat portion of the 034Motorsport rotor is made of 6061-T6 aircraft specification aluminum. The disc is constructed out of a proprietary metal alloy that can withstand immense braking temperatures while holding form. The rotor utilizes 36 directionally curved vanes to forcefully flow cool air through the rotor to dissipate heat.

The face of the rotor utilizes J-Slot slots to clean the pad surface of contaminants and allows hot pad outgassing.

The rotor and hat have a floating mount system that utilizes high-strength alloy steel bobbins. The pins take the load from braking actions while maintaining the axial and radial float between the hat and disc, allowing for safe expansion and contraction from heat.

Features:

  • Lightweight Construction (15.1lb 370mm 034Motorsport Rotor vs. 16.7lb 330mm OE Rotor)
  • Floating, 2-Piece Design
  • Aerospace Grade Aluminum Hats with Type III Hard Anodizing**
  • CM-250 Special Alloy Rotor Rings
  • J-Slot Slotted Friction Face
  • OEM Fitment & Functionality
  • 36 Curved Vanes Force Cooling Air through Brake Disc
  • Floating Bobbins Mounting System
  • Replaceable Rotor Rings
  • Lower Long-term Maintenance Cost

Part Number Interchange for A/S Models:

  • 8W0 615 601 E
  • 8W0 615 601 K

Part Number Interchange for RS4/RS5:

  • 8W0 615 601 G

What's Included:

  • 034Motorsport 2-Piece Floating Rear Rotor Pair
  • Caliper Carrier Conversion Brackets

**Please Note: Type III hard anodizing of aluminum is considered as a functional surface coating process. While we always aim for color consistency, color variations may exist from batch to batch due to the nature and variables in the anodizing process.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17460248624

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Fam Of 4
Chelsea, US
★★★★★ 5
Amazing product!
Set name: Sublimation Printer, Set name: Sublimation Printer
All I can say is "WOW". I was skeptical about changing over from my Sawgrass to another brand of sublimation printers. But now I wish I started here from the start! Not only does this machine cost a good amount less with the same paper sizes and options as my SG500 but the ink is cheaper per cartridge and 11ml larger than the standard 30ml I am use to. Set up was super easy, as well as the connection. My prints are bold, bright, and beautiful. I am amazed! I am thankful that the details in the prints show through no matter what material I am pressing on. As a business owner, I need a good, efficient printer that doesn't cost more than the product I am selling. I can't wait to continue using my machine. I have not run into any maintenance issue and can not speak on anything of that as of now. Attached photos; however, my camera did not do it justice.
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Reviewed in the United States on January 15, 2026
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Obfuscate80
Chelsea, US
★★★★★ 5
Excellent image quality
Set name: Sublimation Printer
Have used this for multiple projects outstanding results, the ink is no headache and easy to install
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Reviewed in the United States on May 27, 2026
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JP
Phoenix, US
★★★★★ 5
Good image quality
Set name: Sublimation Printer
Has good print quality and has worked well. I like the tray paper feed for regular size and that I can use the back paper feed set up for my mug sized sublimation paper. I had considered converting an ink jet to a sublimation, but for a little more decided to try this. Glad I did. Set up was pretty easy and I'm happy with the color quality and accuracy. I wasn't sure when I first saw the print out, but once the sublimation was doen, it was great.
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Reviewed in the United States on January 24, 2026
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AMW
Birmingham, US
★★★★★ 5
Great Printer
Set name: Sublimation Printer
Great Printer, love it over my epson sublimation printer
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Reviewed in the United States on May 12, 2026
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yodan2
Lexington, US
★★★★★ 5
Great value
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This is my first sublimation printer and I am very happy with this printer. The photos that I have printed have been very good quality and vibrant colors and have applied really well to the sublimation blanks I have used. I like that it will self clean the heads as long as the printer power is on. It was important to me to get an actual sublimation printer in order to have the warranty on it. The printer works with the Artspira app. This app is only available on a smart phone or tablet. It is very difficult to design on such a small screen. Brother needs to have a program that will work on a computer to make designing easier. I did gave difficulties getting my phone to connect to the printer after I designed my work on the very small screen. I used the chat feature on the Brother site and they were able to help me get it connected in order to print.
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