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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
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
- 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

