Product Information
EBC Standard Front Brake Discs - D1921S
Sold as a pair
The EBC Standard Front Brake Discs are high-quality OEM-spec
replacement brake discs designed for the Porsche 970 Panamera and 971 Panamera.
Manufactured to meet or exceed factory standards, these discs restore smooth,
reliable braking performance for everyday road use, making them an ideal
solution for routine maintenance or brake system refresh.
FRONT Discs: D1921S
- Type: VENTED
- Diameter: 360mm
- Height: 66mm
- Thickness New / Min: 36 / 34

Fits:
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
Available from Design911, EBC standard brake discs provide
dependable stopping power, correct fitment, and long service life—perfect for
Panamera owners seeking factory-correct braking performance without compromise.
What Do EBC Standard Front Brake Discs Do?
Front brake discs are a critical safety component,
converting kinetic energy into heat during braking.
Core Functions:
- Provide
a stable friction surface for brake pads.
- Deliver
smooth, predictable stopping power.
- Dissipate
heat generated during braking.
- Maintain
braking balance and pedal feel.
- Support
safe and controlled deceleration.
EBC standard discs are engineered to replicate original
braking characteristics for comfort and consistency.
Why Do Front Brake Discs Fail?
Brake discs naturally wear over time due to friction and
heat cycles.
Common Causes of Failure:
- Disc
thickness falling below minimum specification.
- Surface
wear, scoring, or grooving.
- Heat
build-up leading to warping or vibration.
- Corrosion
caused by moisture and road salt.
- Uneven
pad wear or contaminated brake pads.
Ignoring worn discs can result in reduced braking efficiency
and increased stopping distances.
When Should You Replace Front Brake Discs?
Replacing brake discs at the correct interval ensures safety
and protects other braking components.
Replacement Is Recommended When:
- Disc
thickness reaches the manufacturer’s minimum limit.
- Vibration
or judder is felt under braking.
- Visible
cracking, scoring, or corrosion is present.
- Brake
pads are replaced after significant disc wear.
- During
scheduled brake servicing.
Replacing discs and pads together ensures optimal braking
performance and longevity.
Quality & Engineering Highlights
- EBC
standard OEM-spec front brake discs
- Precision
machined for perfect fitment
- Manufactured
from high-quality cast iron
- Designed
for smooth, quiet braking
- Suitable
for daily driving and long-distance use
- Direct
replacement for factory front discs
These discs are engineered to meet the demands of the
Panamera’s weight and performance.
Key Benefits
- Restores
factory braking performance
- Smooth
and quiet operation
- Reliable
heat dissipation
- Long
service life
Ideal
for everyday and motorway driving
Related reference numbersRelated, superseded, cross reference or alternative numbers for comparison.
D1921S 97035140300
97035140400
97035140301
97035140401
298615301B
298615302B
The product you are viewing cross references to these numbers