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.
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