Fittings247 Nissan Breather Fitting (Press-In) -10AN

🔧 Product Description

The Fittings247 Nissan Breather Fitting (Press-In) -10AN is a high-quality solution designed to convert factory breather ports into -10AN connections for improved crankcase ventilation. Specifically engineered to suit Nissan RB25 and SR20 engines with 5/8″ breather holes, this fitting provides a secure press-in installation without the need for welding or complex modifications.

Perfect for performance builds, catch can setups, and upgraded PCV systems, this fitting allows seamless integration with -10AN hose systems for efficient engine breathing.

⚙️ Key Features

• Press-in breather fitting designed for Nissan RB25 & SR20 engines
• Converts factory breather port to -10AN male connection
• Suits 5/8″ (approx. 16mm) breather holes
• No welding required – simple press-fit installation
• Designed for use with -10AN braided or PTFE hose systems
• Precision-machined for a secure and leak-free fit

🏁 Performance Benefits

• Improves crankcase ventilation and pressure management
• Ideal for catch can and breather system upgrades
• Helps reduce oil blow-by and engine bay contamination
• Supports high-performance and boosted applications
• Provides a clean, professional AN-style setup

🚗 Fitment & Application

• Nissan RB25 engines
• Nissan SR20 engines
• Suits factory breather ports with 5/8″ hole size
• Compatible with -10AN hose and fittings
• Ideal for street, drift, track, and performance builds

🛠️ Installation Notes

• Ensure breather hole is clean and free of burrs before installation
• Press fitting firmly into the 5/8″ port for a tight seal
• Use with appropriate -10AN hose ends and catch can systems
• Check fitment and sealing before engine operation

🔩 Specifications

• Brand: Fittings247
• Type: Press-in breather fitting
• Size: -10AN male outlet
• Hole Size: 5/8″ (approx. 16mm)
• Material: Aluminium or billet construction (variant dependent)
• Application: Engine breather / PCV / catch can systems

💡 Why You Might Need It

• Upgrading factory breather ports to AN fittings
• Installing a catch can system on RB25 or SR20 engines
• Improving engine ventilation for turbo applications
• Achieving a clean, professional engine bay setup