ATE
ATE Original Brake Booster, Vacuum

ATE 300251 Power Brake Booster

Brand ATE 300251
Booster Type Vacuum
Brake Pedal Rod Extension Included Yes
Diaphragm Type Dual
Housing Diameter 10
Housing Material Metal
Master Cylinder Included No
Mounting Bracket Included No
Mounting Hardware Included No
Product line ATE Original Brake Booster, Vacuum
Fits Porsche and Volkswagen · 7 vehicles

Vacuum booster. Delivers reliable brake assist with low pedal effort.

Dual-diaphragm design. Helps provide smooth, responsive braking performance.

Metal housing. Built with high-quality materials and meticulous workmanship.

Cross-references 7L5612105H, 95535592320 and 95535592321 for the same application. See all 3.

$440.81Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $440.81
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

ATE Original Vacuum Brake Booster

The ATE Original Brake Booster, Vacuum is built for consistent brake assist and smooth pedal response in demanding driving conditions. This power brake booster is a direct-fit style replacement for select Porsche Cayenne and Volkswagen Touareg applications, with OE-level construction focused on reliable operation and straightforward service.

Key Features

  • Vacuum booster type for brake assist support
  • Dual diaphragm design for responsive pedal feel
  • 10-inch housing diameter
  • Metal housing for durable construction
  • Brake pedal rod extension included
  • Master cylinder not included
  • Mounting hardware not included
  • Mounting bracket not included

Product Details

ATE Original Brake Booster, Vacuum part number 300251 is engineered with high-quality materials and careful workmanship to help reduce premature wear in daily driving and stop-and-go traffic. The dual diaphragm vacuum design supports reliable brake assist even when pedal effort is low, which is important for heavier vehicles such as the Porsche Cayenne and Volkswagen Touareg. ATE Original product line components are built to the same quality standard as the brand’s replacement parts, making this booster a practical choice for restoring brake system performance.

This part cross-references Porsche 95535592320 and Volkswagen 7L5612105H for the same application.

Vehicle Fitment

  • Fits 2008-2010 Porsche Cayenne, N/A
  • Fits 2009-2010 Volkswagen Touareg, N/A

Common Issues This Part Can Address

  • Hard brake pedal feel
  • Reduced brake assist from a failing vacuum booster
  • Inconsistent stopping response in traffic or emergency braking
  • Brake pedal effort that increases over time
  • Wear-related loss of booster performance

Installation Notes

Verify housing diameter, pedal rod extension, and mounting points before installation. This ATE brake booster does not include the master cylinder, mounting hardware, or mounting bracket, so transfer or source those components as needed for the repair. Confirm vacuum line condition and inspect the brake system for leaks or related wear before completing the job.

Quality Assurance

ATE Original brake boosters are manufactured with OE-style quality standards and precise fitment focus for dependable brake system restoration. Part number 300251 is intended for direct replacement service on the listed Porsche Cayenne and Volkswagen Touareg applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2010PorscheCayenneTurbo4.8LV8N/AATE Original Brake Booster, Vacuum
2010PorscheCayenneTurbo S4.8LV8N/AATE Original Brake Booster, Vacuum
2010VolkswagenTouareg3.0LV6N/AATE Original Brake Booster, Vacuum
2009PorscheCayenneTurbo4.8LV8N/AATE Original Brake Booster, Vacuum
2009PorscheCayenneTurbo S4.8LV8N/AATE Original Brake Booster, Vacuum
2009VolkswagenTouareg3.0LV6N/AATE Original Brake Booster, Vacuum
2008PorscheCayenneTurbo4.8LV8N/AATE Original Brake Booster, Vacuum
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
7L5612105H9553559232095535592321