Description

AUTHENTIC IDLE CONTROL COMPONENT FOR LEGENDARY GT-R MODELS.

The VALVE ASSY-AAC 23781-RHR20 is a precision-engineered Auxiliary Air Control (AAC) valve assembly from NISMO, designed as a direct replacement for the original Nissan genuine part (23781-05U11).

This critical engine management component regulates idle speed by controlling auxiliary air flow, ensuring smooth and stable idle operation for your BNR32, BCNR33, or BNR34 Skyline GT-R.

Product Highlights

🔧 PRECISE ENGINE MANAGEMENT COMPONENT
Manufactured as a faithful reproduction of the original Nissan AAC valve, ensuring proper fitment and function for your Skyline GT-R’s idle control system. The AAC valve maintains optimal idle speed by regulating bypass air flow around the throttle plate.

🏎️ UNIVERSAL GT-R COMPATIBILITY
Specifically designed for the legendary R32, R33, and R34 GT-R chassis, ensuring proper engine management operation across multiple generations of these iconic performance vehicles.

• Compatible Models:

  • BNR32 Skyline GT-R (August 1989 and later)

  • BCNR33 Skyline GT-R (January 1995 and later)

  • BNR34 Skyline GT-R (January 1999 and later)

⚙️ NISMO GENUINE REPRODUCTION QUALITY
Manufactured as part of NISMO’s genuine reproduction parts program, ensuring the same quality, durability, and reliability expected from Nissan’s official performance brand.

Technical Specifications & Application

This is a genuine reproduction AAC valve assembly for select Skyline GT-R models.

Key Details

• Product Name: VALVE ASSY-AAC (Auxiliary Air Control Valve Assembly)

• NISMO Part Number: 23781-RHR20

• OEM Reference: (23781-05U11) – For reference only, not orderable

• Compatible Models:

  • Nissan Skyline GT-R (BNR32) from August 1989 onward

  • Nissan Skyline GT-R (BCNR33) from January 1995 onward

  • Nissan Skyline GT-R (BNR34) from January 1999 onward

• Quantity per Vehicle: 1

• Product Code: Q

• Production Information: General production parts

• Product Classification: Genuine reproduction

• Warranty: 20,000km per year