SW Seat Lumbar Support Control Valve New Online
2026-03-19
SW1377517 seat lumbar support control valve new online
Precise control support, stable driving on long distances! The new SCANIA heavy-duty truck seat support control valve has been launched, with original factory level adaptation, efficient adjustment, and long-lasting stability, comprehensively improving the performance of heavy-duty truck seat support and safeguarding every transportation trip.
1. How to adjust the lumbar support of the seat correctly?
1.1 Safety preparation
- Park the vehicle steadily, pull the handbrake, turn off the engine, adjust the seat to a straight sitting position, ensure smooth operation, and prepare for adjustment.
1.1 Control positioning
- The regulating valve is located on the side or bottom of the seat, mostly with "+/-" marked buttons or waist pattern knobs/levers. The flagship model is integrated into the function button area and can be located according to the user manual.
1.1 Segmented adjustment (core)
- Press the "+" button or turn the knob clockwise to inflate and increase the pressure of the lumbar support; Press the "-" key or turn the knob counterclockwise to release air and reduce pressure on the lumbar support. Operate slowly to avoid damaging the accessories.
1.1 Precise adaptation
- Maintain sitting posture, adjust to lumbar support that fits snugly against the lumbar spine (light support without top or empty fit), adjust to full support for The old-fashioned lumbar support control valve has poor sealing and is prone to air leakage. After adjusting the lumbar support, it quickly collapses and cannot sustain support; Inaccurate adjustment; Poor durability and easy damage.
As a new OE matched seat adjustment component (OE: 1377517), this SW left seat support control valve is designed specifically for SCANIA heavy-duty trucks. As the core pneumatic adjuster of the seat lumbar support system, it provides customized ergonomic backrest support for long-distance drivers.
2. The core advantages of SW1377517 lumbar support control valve
The SW1377517 lumbar support control valve, as a core component of the seat lumbar protection system, is designed specifically for specific vehicle models. With high-quality material selection, precise performance, and stable performance, it has become the preferred accessory for seat support systems
2.1 Accurate adaptation and convenient installation
- The lumbar support system of the corresponding car model seat is accurately matched and can be replaced for use. The installation process is simple, the adaptability is strong, and it can be perfectly compatible with the original car air system. After replacement, there is no need for additional debugging, greatly improving installation efficiency.
2.2 Excellent material and strong durability
- Made of high-quality engineering plastic and metal valve core combination, the valve core is preferably made of wear-resistant materials, with a wide temperature range and excellent sealing performance, which can adapt to high and low temperature conditions in long-term vehicle use and greatly extend the service life of accessories.
2.3 Accurate adjustment and excellent waist protection
- The core function focuses on precise control of lumbar support inflation and deflation, with high adjustment sensitivity, which can achieve subtle adjustment of support strength, accurately fit the curve of the human lumbar spine, effectively alleviate lumbar fatigue caused by long-distance driving or prolonged sitting, improve driving comfort, and meet ergonomic design requirements.
2.4 Stable performance and low failure rate
- Optimized flow channel design with low gas flow resistance and no significant pressure drop loss. At the same time, a dual sealing structure is adopted to effectively avoid common problems such as gas leakage and jamming, with rapid response and stable long-term performance, reducing failure rate and ensuring the continuous effectiveness of waist protection function.
2.5 Compliance and wide adaptability
- The product meets relevant industry standards, with environmentally friendly materials, and is compatible with commercial models such as Scania. It can meet the needs of original factory replacement and can also be used for maintenance and upgrading, with both adaptability and practicality, as well as safety and economy.
3. Why choose SW1377517 lumbar support control valve?
Ruian Xinwei Automotive Parts Co., Ltd. is a professional manufacturer specializing in Scania truck parts, with over 15 years of experience in the research and production of automotive repair tools. The SW 1498842 wrench is developed based on in-depth analysis of the ISRI NTS system structure and Scania seat maintenance requirements, ensuring the practicality and reliability of the product.
Scania authorized repair service station stated that it has previously received multiple requests for repair of Scania model lumbar support control valve faults (mostly due to air leakage and adjustment failure). After introducing SW1377517 as the core replacement part, due to its precise adaptation, convenient installation, and low failure rate, it not only shortened the repair period but also improved customer satisfaction. Currently, the service station has selected it as the preferred replacement part for Scania model lumbar support system repair, and has been adapted to repair more than 50 vehicles in total. Customer feedback is good.
4. Availability & Quick Inquiry
The new SW1377517 seat lumbar support control valve is now available for global orders. First time buyers enjoy a 12% discount and free shipping (valid for 30 days). Bulk orders of 50+pieces can enjoy additional wholesale prices and 72 hour priority delivery.
If you need compatibility confirmation, sample request, or customized quotation, please contact us immediately:
- Company: Ruian Xinwei Auto Parts Co., Ltd.
- Core Product: SW Left Seat Lumbar Support Control Valve Seat Adjustment Valve
- Application: SCANIA Truck
- Email: xy156425633@gmail.com
- Official Website: Sw 1377517 Left Seat Lumbar Support Control Valve Seat Adjustment Valve For Scania Truck - Buy Scania Truck Lumbar Support left Seat Adjustment Valve sw 1377517 Control Valve truck Seat Comfort scania Truck Accessories truck Seat Adjustment Sw 1377517 Valve scania Truck Accessories For Seat Comfort scania Truck Lumbar Support Control Valve left Seat Adjustment Valve For Truck sw 1377517 Comfort Control Valve left Seat Control Valve For Scania new Sw116 Seat Adjustment Valve Product on Alibaba.com