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Caliper Bolts / Disc Screws
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.1 GT3 RS 4.0L 2022-24
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
Brake Caliper Mounting Bolt - M12 x 1.5 x 85.
2x Bolts required per Caliper
Sold each Ensure your Porsche braking system remains securely
assembled with this brake caliper mounting bolt Designed to secure the brake caliper firmly to the suspension upright, this
high-strength fixing is manufactured to meet the demanding loads experienced
during everyday driving, spirited road use and high-performance braking.

- Porsche 997 MKII Carrera C2 3.6L 2009-12 – with and without PCCB
- Porsche 997 MKII Carrera C4 3.6L 2009-12 – with and without PCCB
- Porsche 997 MKII Carrera GTS / 4 GTS 3.8L 2009-12 - with PCCB
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19 - without PCCB
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19 - without
PCCB
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19 - without PCCB
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19 - without
PCCB
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19 - without PCCB
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19 - without
PCCB
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19 - without PCCB
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19 - without
PCCB
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19 - without PCCB
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19 - without
PCCB
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19 – with and without PCCB
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
- Porsche 992.2 GT3 2025>>
FM0 Basic 1LS
Front PCCB 1LQ / 1LX

- Porsche 997 MKII GT3 / GT3 RS 2010-11 – without PCCB
- Porsche 997 MKII Turbo 2010-13 – without PCCB
- Porsche 997 MKII GT2 RS 2011-13 – without PCCB
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16 – with and without PCCB
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16 – with and
without PCCB
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16 – with and without PCCB
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16 – with and without PCCB
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
Front 17” Black A8C Comfort Equip 1LS
Front 17” red/black A7F Sports Equip 1LS/1LR

- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
Rear 17” Black A8C Comfort Equipment
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24 – with and without PCCB
- Porsche 992.1 GT3 RS 4.0L 2022-24 – with and without PCCB
Diagram ref no 8
Whenever brake calipers are removed for servicing, pad replacement, disc replacement or caliper refurbishment, it is good practice to inspect the mounting bolts for wear, corrosion or thread damage. Replacing worn or damaged fasteners helps maintain correct clamping force and supports safe, reliable brake operation.
Manufactured from high-grade steel with the correct dimensions and thread specification, this mounting bolt provides a secure and dependable fit for a wide range of modern Porsche models.
What Does the Brake Caliper Mounting Bolt Do?
The brake caliper mounting bolt fastens the brake caliper securely to the hub carrier or suspension upright. It is responsible for maintaining the precise alignment of the caliper while resisting the significant braking forces generated under heavy deceleration.
Why Replace the Brake Caliper Mounting Bolt?
Brake mounting bolts experience repeated heat cycles,
vibration and extremely high clamping loads. Over time they may suffer from:
- Corroded or damaged threads
- Wear from repeated removal and installation
- Loss of protective coating
- Incorrect torque from previous servicing
- Stretch or fatigue after extended use
Replacing the bolt during brake maintenance helps ensure the caliper remains securely mounted.
Common Symptoms of a Worn or Damaged Mounting Bolt
- Damaged or stripped threads
- Corrosion on the bolt shank or head
- Difficulty achieving correct torque
- Caliper movement due to incorrect fastening
- Fastener showing signs of previous over-tightening
Features
- Direct replacement brake caliper mounting bolt
- High-strength steel construction
- Precision manufactured for accurate fitment
- Designed for demanding braking loads
- Ideal during brake disc, pad or caliper replacement
- Helps maintain correct brake caliper alignment
- Suitable for road and performance applications
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A700758500
The product you are viewing cross references to these numbers
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.1 GT3 RS 4.0L 2022-24
- Porsche Cayman GT4 3.8L 2015-16
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
2 x Bolts required per Caliper. Fits: FRONT Calipers.
Designed to meet or exceed original equipment specifications, ensuring a precise fit and secure installation for your Porsche’s braking system. Manufactured from high-strength steel and engineered for durability, this bolt provides the correct clamping force to maintain caliper alignment and brake performance under demanding conditions. Ideal for brake service or caliper replacement, it restores factory-level safety and reliability.
Fits:
Porsche 981 Cayman GT4 2016
Porsche 991.2 Carrera 2017>> I450 Cars with Ceramic brakes (PCCB)
Porsche 991 Turbo / GT2 2014>> I450 Cars with Ceramic brakes (PCCB)
Porsche 997 Turbo / GT2 2012>> I450 Cars with Ceramic brakes (PCCB)
Porsche 997 GT3 2010-11
Porsche 991 GT3 / GT3 RS 2014-2017
Porsche 992.1 Carrera 2017>> I450 Cars with Ceramic brakes (PCCB)
Porsche 992 Turbo / GT2 2014>> I450 Cars with Ceramic brakes (PCCB)
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
WHT008186
The product you are viewing cross references to these numbers

For brake systems and is highly temperature-resistant (up to 1,000°C).
Available in 75ml tube and 5ml sachet
The advantages of Cera Tec:
• Non-conductive and contains no solids
• Suitable for ABS
• Facilitates brake installation
• Reduces brake squealing
• Protects against scoring and corrosion
• Free of copper and acids
• Pressure-resistant / high viscosity
Cera Tec is also suitable for lubricating:• Disc- and drum-brake systems
• Compressors
• Centralised lubrication systems
• Axle bearings
• Chains
• Seat rails
• Sunroof tracks
• Battery terminals
Application:
Apply a thin layer of Cera Tec on the marked sections
Find out about Textar product verification here
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.1 GT3 RS 4.0L 2022-24
Sold each - 5 required per disc

Fits:
Porsche 991 GT3 Cup with Centrelock wheels
Porsche 992 Cup with Centrelock wheels
Description
Centerlock Wheel Drive Pin
These pins can wear over time and become damaged when changing wheels allowing more wheel movement than desired.
Similar to Porsche part number 991.341.705.8A and 9F1401111
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9F1401111
The product you are viewing cross references to these numbers
Hydra tec lubricant for maintenance work and protection Textar
Available in 75ml Tube or 5ml Sachet
The Advantages of Hydra Tec:
- Facilitates the installation of hydraulic brake components
- Tested compatibility with commercially available braking fluids (DOT3, DOT4, DOT4LV, DOT5.1)
- Free of mineral oils and compatible with EPDM rubber
- In addition, running surfaces are protected against corrosion
Hydra Tec is suitable for lubricating:
- Cylinder running surfaces
- Pistons
- Sealing elements
Application:
Apply a thin layer of Hydra Tec on the marked sections.
Note:
Hydra Tec should be applied thinly and evenly.
Never use mineral oils or greases as substitutes.
Do not apply the product on friction surfaces of brake pads or brake discs.
Find out about Textar product verification here
Porsche Caliper Bolts & Disc Screws | Design911 Precision Fasteners for Secure, Reliable Braking Performance
Caliper bolts and disc screws are small but vital components of your Porsche’s braking system, ensuring your brake calipers and discs are mounted securely for safe, consistent performance. These fasteners maintain the correct torque and alignment under extreme temperatures and vibration. Over time, they can corrode, stretch, or lose tension — compromising braking safety and component integrity. Replacing them during brake servicing or restoration is essential for long-term reliability and precise fitment.
At Design911, we supply a wide range of caliper bolts and brake disc screws, crafted from high-tensile steel and corrosion-resistant alloys. Each component is engineered for exact fitment, durability, and consistent torque application. Ideal for servicing, upgrades, or full restorations, our fasteners ensure your Porsche’s braking system remains safe, precise, and true to its performance heritage.
What Do Caliper Bolts & Disc Screws Do?
Caliper bolts and disc screws secure the main braking components to the hub and suspension system, ensuring stability and proper braking alignment.
Core Functions:
• Fasten brake calipers to their mounting brackets.
• Secure brake discs (rotors) to wheel hubs.
• Maintain proper alignment under braking load.
• Prevent component movement, vibration, or uneven wear.
• Support safety and consistency under high heat and pressure.
These precision-engineered fasteners are key to the structural integrity of your Porsche’s braking system, maintaining consistent performance and driver confidence.
Why Do Caliper Bolts & Disc Screws Fail or Degrade?
Given their exposure to heat, moisture, and torque stress, caliper bolts and disc screws naturally experience wear and fatigue over time.
Common Causes of Failure Include:
• Corrosion or rust from moisture and road salt exposure.
• Thread wear or stretching from repeated tightening.
• Heat fatigue caused by intense braking cycles.
• Seized bolts from oxidation or incorrect torque application.
• Sheared or stripped heads during maintenance.
When fasteners degrade, they can loosen or fail — leading to brake vibration, noise, or unsafe component movement. Replacing them ensures reliability and safety under all driving conditions.
Why Replace or Upgrade Your Porsche Caliper Bolts & Disc Screws?
Replacing worn or corroded fasteners restores secure mounting and structural stability across your braking system. Design911’s precision-grade replacements are designed to meet Porsche specifications for torque and material strength, ensuring long-lasting performance.
Key Benefits:
• Restores secure and stable brake mounting.
• Prevents vibration, movement, or component wear.
• Resistant to corrosion, heat, and mechanical stress.
• Manufactured from high-tensile, treated steel or alloy.
• Direct-fit design for all Porsche applications.
• Ideal for servicing, upgrades, or restoration projects.
Design911’s Porsche caliper bolts and disc screws provide the strength, precision, and durability required for every braking system — ensuring your Porsche remains safe, responsive, and road-ready.
Highlights
• Premium Porsche caliper bolts and brake disc screws.
• High-strength steel construction with anti-corrosion coating.
• Designed for secure, vibration-free brake mounting.
• Essential for brake servicing, restoration, or upgrades.
• Fits a wide range of Porsche classic and modern models.
• Engineered for long-lasting strength and reliability.