SKU: 80133133548

034Motorsport MQB 340 MM Front Brake Disc Upgrade - 034-301-1021

$661.50 $735.00
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Description

034Motorsport MQB 340 MM Front Brake Disc Upgrade - 034-301-1021034 Motorsport MQB 340 MM Front Brake Disc Upgrade 034 301 1021. 1 Piece Front Brake Rotor Upgrade Kit, MK8 VW GTI, Audi 8V 8V. 5 S3 & MK7 Mk7. 5 VW GTI w Performance Pack. 034Motorsport 1 Piece Brake Rotors are a direct replacement upgrade for MK8 VW GTI, Audi 8V 8V. 5 S3 & MK7 Mk7. 5 VW GTI w Performance Pack, offering improved cooling, durability, and braking consistency at a street friendly price. Featuring directionally ventilated internal vanes,

034 Motorsport - MQB 340 MM Front Brake Disc Upgrade - 034-301-1021.

1-Piece Front Brake Rotor Upgrade Kit, MK8 VW GTI, Audi 8V/8V.5 S3 & MK7/Mk7.5 VW GTI w/ Performance Pack.

034Motorsport 1-Piece Brake Rotors are a direct replacement upgrade for MK8 VW GTI, Audi 8V/8V.5 S3 & MK7/Mk7.5 VW GTI w/ Performance Pack, offering improved cooling, durability, and braking consistency at a street-friendly price. Featuring directionally ventilated internal vanes, a high-strength CM-250 alloy, and a J-slot slotted friction face, these rotors are engineered to manage heat more effectively than factory straight vane rotors.

Designed for daily driving, spirited street use, autocross, and light track duty, they bolt directly to stock calipers and are compatible with factory or upgraded pads. Finished with a Geomet anti-corrosion coating and temperature indicating paint marks, these rotors deliver real performance gains at a price comparable to basic OEM blank rotors.

Directional Cooling. Stronger Materials. Real Performance at a Fair Price:

034Motorsport 1-Piece Rotors deliver a meaningful braking upgrade for Audi and Volkswagen platforms without the cost of a two-piece system. Designed as a direct replacement for factory rotors, they combine advanced cooling technology, a high-strength alloy, and proven track-inspired features at a price point typically reserved for basic blank rotors.

Unlike factory rotors that rely on straight internal cooling vanes and soft iron alloys, 034Motorsport 1-Piece Rotors are engineered from the inside out to manage heat more effectively and hold up under repeated braking events.

Directionally Ventilated for Active Cooling:

Most OEM Audi and VW rotors utilize straight internal cooling vanes or no vanes at all, which create limited airflow and minimal active cooling effect. 034Motorsport rotors feature directionally ventilated internal vanes that pull air in from the center of the disc and force it outward. This increased airflow greatly improves heat transfer and cooling of the rotor, helping the rotor stay cooler during hard street driving, spirited back roads, autocross, and light track use. Cooler rotors maintain braking consistency and reduce the likelihood of fade, warping, or hotspots.

High Strength CM-250 Alloy:

Factory rotors are typically cast from relatively soft iron, which wears quickly and warps under high pressure and high heat. 034Motorsport 1-Piece Rotors use a Heat-Treated CM-250 special alloy formulated specifically for performance driving. This material is more resistant to heat cycling, less prone to warping, and better suited for repeated high-temperature braking than OEM rotors.

J-Slot Friction Face:

The J-slot slotted friction surface is designed to do more than just look aggressive. J-slots help clear debris from the pad surface, allow pad off-gassing under high temperatures, and distribute heat more evenly across the rotor face, reducing the likelihood of hot spots. This results in more consistent braking performance compared to traditional straight slots or drilled rotors, which can concentrate heat and increase the risk of cracking.

Street Friendly, Track Capable:

These rotors are optimized for daily driving, spirited canyon runs, autocross, and entry-level track days. They are fully compatible with stock calipers and can be used with factory pads or upgraded performance pads. For drivers engaging in more aggressive back-road use or extended track sessions, 034Motorsport 2-Piece rotors remain the ideal solution and are recommended for the highest thermal demands.

Built for Year-Round Use:

Each rotor is finished with a Geomet anti-corrosion coating to protect against rust and corrosion, making them suitable for all weather oncditions. Temperature-indicating paint marks on the rotor edge provide a visual reference for heat exposure during aggressive driving or track use.

Temperature-Indicating Paint Marks:

034Motorsport 1-Piece Performance Brake Rotors feature temperature-indicating paint marks on the rotor edge that provide a quick visual reference for heat exposure during aggressive street driving, autocross, or track use.

The paint changes color at specific temperature thresholds to help drivers understand operating conditions:

  • Green †’ White at 478°C (892°F)
  • Orange †’ Yellow at 571°C (1060°F)
  • Red †’ White at 640°C (1184°F)

If the red paint turns white throughout, the rotors are consistently operating beyond their intended temperature range. This may indicate the need for lower-friction brake pads, improved cooling, or upgrading to 034Motorsport 2-Piece Rotors, which have higher heat dissipation capabilities with their two-piece design.

Performance That Makes Sense:

034Motorsport 1-Piece Rotors are priced competitively with basic blank replacement rotors, while delivering meaningful performance improvements in cooling, durability, and braking consistency. This makes them one of the best value brake upgrades available for Audi and VW owners.

Buyer's Guide:

Brake Rotor Comparison Chart:

Feature / Use Case Stock OEM Rotors 034Motorsport 1-Piece Rotors 034Motorsport 2-Piece Rotors
Direct OEM Fitment œ“ œ“ œ“
Internal Vane Design Straight vanes Directional vanes Directional vanes
Active Cooling Efficiency Low High Very High
Rotor Material Soft OEM iron CM-250 Special Alloy Rotor CM-250 Special Alloy Rotor Rings
Heat Resistance Low High Maximum
Warping Resistance Low High Very High
Friction Face Design Blank or drilled (platform dependent) J-slotted Friction Face J-slotted Friction Face
Pad Degassing & Debris Removal Minimal Excellent Excellent
Corrosion Protection Minimal Geomet anti-corrosion coating Type III Hard Anodizing & Geomet anti-corrosion coating
Temperature Indicators No Yes Yes
Unsprung Weight Reduction No No Yes
Rotor Ring Replaceable No No Yes
Street Driving œ“ œ“œ“œ“ œ“œ“
Spirited / Canyon Driving Limited œ“œ“ œ“œ“œ“
Autocross Not recommended œ“œ“ œ“œ“œ“
Track Use No Entry-level Frequent / Aggressive
Typical Price Range Low Low to Moderate High
Best For Basic commuting Best balance of performance & value Maximum braking performance

 

Features:

  • 340mm x 30mm Size
  • OEM Fitment & Functionality
  • CM-250 Special Alloy Designed Specifically To Reduce Warping from Hard Street Use
  • J-Slot Slotted Friction Face
  • Temperature Indicating Paint Marks on Rotor Edge:
    • Green changes to white at 478° C (892° F)
    • Orange changes to yellow at 571° C (1060° F)
    • Red changes to white at 640° C (1184° F)
      • If the Red paint turns white throughout, the rotors are running too hot.
  • Directionally Ventilated to Force Cooling Air Through the Brake Disc
  • Heat Treated
  • Geomet Anti-Corrosion Coating

What's Included:

  • 034Motorsport 1-Piece Front Rotor Pair

Part Number Interchange:

  • 5Q0 615 301 G
  • 1K0 615 301 AD
Make Model Years Chassis Engine
Audi S3 2013-2020 8V/8V.5 2.0 TFSI
Audi SQ2 2018-Present A1 2.0 TFSI
VW Golf R 2013-2019 Mk7/Mk7.5 2.0 TSI Gen 3
VW GTI 2013-2021 Mk7/Mk7.5 2.0T Gen3 *
VW GTI 2022-Present Mk8 2.0T Gen4
Cupra Ateca 2016-2021 Mk1 (AWD) 2.0 TSI
Cupra Formentor 2021-Present Mk1 (AWD) 2.0 TSI
Seat Leon 2012-2020 Mk1 (AWD) 2.0 TSI
Skoda Kodiaq 2017-Present Mk1 (AWD) 2.0 TSI
Skoda Octavia 2013-2020 Mk3 2.0 TSI
Skoda Superb 2015-Present B8 2.0 TSI
Seat Tarraco 2019-2021 MQB (AWD) 2.0 TSI


* NOTE: Only models equipped with Performance Pack (PP)

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: 80133133548

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4.1 ★★★★★
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Birdie, Las Vegas, Nv.
Houston, US
★★★★★ 4
Good quality office chair with movable arms
Color: Dark, Color: Dark
This chair was relatively easy to put together. After unboxing and laying out all of the parts, my husband and I built it in 22 minutes. We noticed how the instructions have you put the tilt mechanism bracket on after putting the back and arms on. Another chair we built was the opposite, which made attaching it to the base actually easier. That way just made more sense. This way, you put the back and seat together using the arms, then you attach the tilt mechanism to the bottom of the seat, but the seat is at an angle when you do this. Then you lift the whole chair and place it down onto the legs. I'm glad there were two of us to do that part. We also noticed one of the holes for screwing in the arm bracket was not lined in metal like the rest of them were. It still worked, though. It does rock a bit back and forth. The height adjusting rod also locks the chair in place for when you don't want the chair to lean back. There is a knob underneath that allows you to loosen or tighten how much it moves when you lean back or rock. The material is faux leather. It looks like real leather and feels pretty good. This makes it easy to clean. The arms can be raised level with the back of the chair to make it easy to slide out of the side of the chair. Overall this chair has a pretty classic look to it and is comfortable to sit in. It even has some lumbar support. The way the back of the chair and the seat of the chair connect together leaves a little bit of a gap. Nothing major, but you could lose coins or keys through the gaps between the cushions. If you have a cat, this would be a great way for them to poke their paws through and say hello.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
H
Verified Purchase
Hemet Michael
Carnegie, US
★★★★★ 5
Good value.
Color: Dark
Well built, looks good, and the material used are ok.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
I
Verified Purchase
ibuy2much
Massapequa, US
★★★★★ 4
Nice office chair!
Color: Dark
This is a nice office chair. All of the features work as stated. I would say the seat is slightly more firm than I prefer, but comfort is subjective. The pleather is soft and I like that the arm rests fold out of the way.
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Reviewed in the United States on May 11, 2026
H
HateToRegister
Belleville, US
★★★★★ 5
This Marsail Executive Office Chair Is Excellent For A Comfortable And Polished Desk Setup
Color: Dark
This Marsail executive office chair is excellent, and it brings together comfort, support and a clean professional look in a very practical way. The PU leather has a smooth, polished presence that suits a desk chair well without looking overly bulky. I appreciate that the design includes flip-up armrests, a height-adjustable seat, swivel movement and rolling mobility in one complete chair. The cushioning gives the chair a substantial seated feel, while the back design adds support without making the chair look heavy. It is an office chair that feels thoughtfully built for daily desk work, focused tasks and general seated comfort. The chair arrived securely protected and in very good condition, with the main parts kept in place well through transit. The PU leather surfaces looked clean, smooth and free from distracting marks when unpacked. The base, wheels, armrests, backrest and hardware all appeared properly finished and ready for assembly. Nothing about the chair parts looked loose, flimsy or poorly handled when it arrived. The included components were organized. The appearance of this chair is one of its strongest qualities because it has a dark, sleek and professional style. The chair fabric gives it a refined executive look, while the breathable mesh center keeps the backrest from appearing too solid or oversized. The flip-up armrests blend into the design nicely and add a cleaner profile when raised. The chair has a balanced shape, with a supportive back, plush seat and wide base that all work together visually. It looks modern without being too flashy, which makes it easy to place with different desks and work areas. Functionality is where this chair becomes especially practical because it is easy to put together and simple to adjust. The height adjustment works well for getting the seat into a comfortable position at a desk. The swivel and rolling movement make it easy to shift, turn and reach without the chair feeling stiff. The reclining range and gentle rocking function add a useful option for leaning back during breaks. The flip-up armrests are especially convenient because they allow the chair to tuck under a desk more easily and create extra freedom of movement when needed. The value is strong because this chair offers several useful features in one well-rounded design. The thicker cushioning, contoured support, PU leather surface, breathable backrest, reclining function and flip-up armrests all add to its usefulness. The sturdy base and stated 300-pound support rating also give it a more dependable feel than a basic desk chair. It provides the comfort expected from an executive chair while still offering space-saving details that make it practical. For the features, comfort and overall build, it delivers a very complete office seating option. I highly recommend this Marsail executive office chair for anyone wanting a comfortable, polished and functional desk chair. It is excellent, easy to put together and built with enough adjustability to support different work habits. The combination of plush cushioning, ergonomic shaping, smooth movement and flip-up armrests makes it especially useful for a home office or workspace. I also like that it has a professional look without sacrificing everyday convenience. It is a strong choice for dependable seating that looks good, works well and offers solid comfort.
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Reviewed in the United States on May 5, 2026
C
Cart Curator
Grantham, US
★★★★★ 5
Comfortable for daily use!
Color: Dark, Color: Dark
After using this chair for work and general desk time, I think it does a nice job balancing comfort, adjustability, and overall build quality without feeling overly bulky or cheap. It feels designed for people who spend long stretches at a desk and want something supportive but still comfortable enough to relax in occasionally. Assembly was straightforward. The instructions were clear, the hardware was organized well, and all the holes lined up properly during setup. I put it together by myself in around 20 minutes without needing extra tools. Once assembled, the chair immediately felt sturdy and stable rather than wobbly. The overall quality is solid for this price range. The PU leather has a soft feel and doesn’t have the stiff plastic-like texture some office chairs use. The stitching looks clean, the armrests feel secure, and the rolling base moves smoothly across the floor. The chair also feels durable overall, especially around the frame and base where cheaper chairs sometimes feel weak or shaky after a few weeks of use. It's very comfortable. The seat cushion is thick and supportive without feeling overly hard, and it stays comfortable during long work sessions. I’ve spent multiple hours at a time sitting in it without constantly adjusting positions or feeling pressure points. The mesh section in the backrest also helps airflow a bit, which keeps it from feeling too hot during extended use. The lumbar support is great. The backrest naturally follows the curve of your spine and provides good lower back support while still feeling relaxed enough for casual sitting. I also liked the higher back design since it supports the upper back and shoulders well during longer periods at the desk. The flip-up armrests ended up being more useful than I expected. They make it easy to slide the chair under the desk when not in use, and they also give more room if you like sitting cross-legged occasionally. Solid chair overally. It has a good mix of comfort, support, ease of use, and practical features without feeling overpriced.
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Reviewed in the United States on May 26, 2026

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