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Fix Seat Lumbar Inflation & Deflation Failure | 949321-02E Seat Backrest Air Control Valve Replacement
Product Description
This 949321-02E lumbar support valve is an integrated pneumatic control part for heavy truck driver seat backrest cushion. It comes pre-assembled with valve base, plastic connecting joints and wear-resistant air tubes following original pipeline layout. Each finished component passes air tightness inspection to guarantee stable inflate/deflate operation for seat lumbar cushion during long-time driver daily use.
Technical specifications
Feature
Specification
Benefit
Assembly Form
Factory pre-assembled valve with matched air hoses
Reduce on-site pipe assembly workload
Air Hose
Anti-aging flexible rubber tubing
Crack-proof and airtight under long bending use
Valve Core
Precision pneumatic control inner structure
Smooth inflate/deflate for comfortable lumbar adjustment
Connector
Standard quick-fit plastic plug terminals
Direct connect with seat airbag without modification
Key Features | Core Advantages
Integrated pre-connected air tube design saves field pipe matching and cutting work during seat maintenance.
Flexible anti-aging rubber air tubing resists frequent bending and cab temperature change without cracking or air leakage.
Precision internal valve core enables smooth inflation and deflation to adjust seat back support elasticity freely.
Standard plastic quick connectors match original seat airbag port for plug-in assembly without extra adapters.
OEM consistent overall structure size realizes seamless swap with aged original lumbar valve assembly.