Air Lift 21760 Check Valve- 1/4" FNPT x 1/4" FNPT

The Air Lift Performance 21760 Check Valve is a critical one-way airflow component designed to maintain consistent pressure and prevent backflow in air suspension systems. By allowing air to flow in a single direction, it protects compressors and preserves system efficiency—ensuring reliable performance in both daily-driven and high-performance setups.

Key Technical Features:

• 1/4" FNPT x 1/4" FNPT ports for standard air suspension plumbing integration
• One-way check valve design prevents reverse airflow and pressure loss
• Helps protect compressors from back pressure damage
• Durable brass / industrial-grade construction for long-term reliability
• Compact, maintenance-free design for consistent performance
• Sold individually (qty. 1 valve)

Compatibility & Fitment:

• Universal fit for air suspension and onboard air systems
• Compatible with 1/4" NPT plumbing setups
• Ideal for Air Lift Performance systems (3P, 3H, and manual setups)
• Commonly installed between compressor and air tank to prevent pressure bleed-back
• Suitable for custom air ride builds and replacement applications

Why Choose This:
Backed by Air Lift Performance’s long-standing reputation, this check valve delivers reliable airflow control, protects critical components, and ensures consistent pressure in professional-grade air suspension systems.