2026 Fittings 247 Calendar
2026 Fittings 247 Calendar
45° Stainless Steel PTFE (Teflon) Hose End – Black
45° Stainless Steel PTFE (Teflon) Hose End – Black

Boost & Vacuum Hose Adapters

$18.21 $20.61Price range: $18.21 through $20.61

🔧 Product Description

These Fittings247 Boost & Vacuum Hose Adapters are the perfect solution for plumbing boost and vacuum lines in high-performance and street applications. Designed for reliability and ease of use, these fittings allow you to create secure, leak-free connections when running silicone vacuum hose setups.

Available in -3AN and -4AN sizes, they are specifically suited to work with 5mm silicone vacuum hose, making them ideal for turbo systems, boost controllers, fuel pressure regulators, and other engine management components.


⚙️ Key Features

  • Designed for boost and vacuum line plumbing
  • Available in -3AN and -4AN sizes
  • Available in 90 , 45 , straight
  • Suits 5mm silicone vacuum hose
  • High-quality construction for durability and reliability
  • Provides secure, leak-free connections
  • Suitable for street and motorsport applications

🏁 Performance Benefits

  • Ensures stable boost and vacuum signal delivery
  • Reduces risk of leaks and pressure loss
  • Ideal for precision tuning and engine management systems
  • Durable under heat and engine bay conditions

🚗 Fitment & Application

  • Suitable for turbocharged and naturally aspirated engines
  • Ideal for:
    • Boost controllers
    • Blow-off valves
    • Fuel pressure regulators
    • MAP sensors and vacuum references
  • Works with 5mm silicone vacuum hose setups

🛠️ Installation Notes

  • Push hose securely onto fitting for a tight seal
  • Use clamps if required for high-boost applications
  • Ensure correct AN size is selected for your setup

🔩 Specifications

  • Type: Boost/Vacuum Hose Adapter
  • Sizes Available: -3AN, -4AN
  • Hose Compatibility: 5mm silicone vacuum hose
  • Application: Boost and vacuum systems
  • Brand: Fittings247

💡 Why You Might Need It

  • Clean and reliable way to plumb boost and vacuum lines
  • Essential for turbo setups and engine tuning
  • Compatible with common 5mm silicone hose systems
  • Ideal for street, track, and motorsport builds
Weight N/A
Angle

45°, 90°, Straight

AN Size

,

Boost & Vacuum Hose Adapters
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