SKP SK538603 Power Brake Booster

Power Brake Booster for Nissan and INFINITI

The SKP SK538603 power brake booster restores brake assist by multiplying pedal force for smoother, more responsive stopping. It is built from quality materials and manufactured to OE specifications for fitment on select Nissan 370Z and INFINITI applications.

This part cross-references Quality-Built B3506 for the same application.

Key Features

• OE-specification replacement power brake booster
• Helps increase braking assist from the pedal input
• Built for long-term durability with quality materials
• Direct-fit design for select Nissan and INFINITI vehicles
• Part number SK538603 for ordering and fitment verification

Detailed Description

The SKP SK538603 is a power brake booster for brake system service on select 2008-2016 Nissan and INFINITI models. It is engineered to match OE specifications so the booster aligns with the original brake system layout and supports consistent pedal feel. This application includes 2009-2016 Nissan 370Z with Sport Package, 2015 INFINITI Q40, 2014-2015 INFINITI Q60, and 2008-2013 INFINITI G37. The SK538603 is a practical replacement when the original booster no longer provides proper assist.

Common Issues It Can Address

• Hard brake pedal feel
• Reduced brake assist
• Longer stopping distance caused by booster wear
• Vacuum-related brake assist loss at the booster
• Brake system performance concerns on a worn OE unit

Installation Notes and Tips

Verify the vehicle year, make, model, and package details before installation. Confirm the brake booster mounting pattern, pushrod interface, and vacuum connection match the original unit. After installation, inspect the brake pedal height and assist operation, then check the system for vacuum leaks and proper brake function.

Quality Assurance

SKP manufactures this booster to meet OE specifications for fit and function. Use part number SK538603 to confirm application details before ordering.