Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram
Select your vehicle to check compatibility
9Y0612107E/1
Product Information
Product Information
Brake Booster.

This TRW Brake Booster is a quality component designed to enhance braking efficiency by amplifying the force applied from the brake pedal to the braking system. Positioned between the brake pedal and master cylinder, this vacuum-assisted unit ensures smooth, responsive braking with reduced driver effort.

Fits:

  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
  • Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
Cars With Option Codes:
1KK - Rear Brake Discs, Disc Diameter 20 Inches, Brake Caliper Painted Yellow (PCCB)
1KU - Rear Brake Discs, Disc Diameter 19 Inches, Black Brake Calipers
1KZ - Rear Disc Brakes, 18-Inch Disc Diameter, Brake Caliper Painted Black
2EU - Rear Disc Brakes, PCCB High-Gloss Black
2EV - Rear Disc Brakes, PSCB High-Gloss Black

Diagram Ref No 1

What This Product Does:

  • Amplifies braking force using vacuum assistance
  • Reduces the effort required to press the brake pedal
  • Improves braking response and control
  • Ensures consistent and predictable pedal feel
  • Supports overall braking system efficiency and safety

Symptoms Of Wear Or Failure:
  • Hard or stiff brake pedal requiring more force than usual
  • Increased stopping distances
  • Hissing noise when pressing the brake pedal (indicative of a vacuum leak)
  • Engine idle fluctuations when braking
  • Inconsistent or reduced braking performance

Why Replacement Matters:
  • Restores proper braking assistance and driver control
  • Improves stopping power and responsiveness
  • Prevents additional strain on braking components
  • Eliminates vacuum leaks that may affect engine performance
  • Ensures safety, particularly during emergency braking situations  



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9Y0612107E
9Y0612107E
9Y0612107C
PAB61210701

The product you are viewing cross references to these numbers
Related products