21703 91 8308 31973000 Manual Paddle Valve Switch for Bostrom and National Seats
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Product Overview
Product Overview
Key Features & Performance
This manual paddle valve switch controls air supply for seat adjustment in Bostrom and National Seats. It is a direct replacement using OEM part numbers 21703, 91-8308, and 31973000. Designed for heavy-duty truck and bus seating systems.
- Constructed with robust materials for long service life in commercial vehicles
- Simple manual push-button operation with a paddle-style actuator
- Exact fit for compatible Bostrom and National seat models
- Replaces multiple OEM part numbers for broad compatibility
- Easy to install with basic tools
Fitment & Compatibility
- Bostrom seats
- National Seats
Common Uses
- Replacement for failed paddle valve switches in heavy truck air suspension seats
- Used in bus driver seats requiring manual air release
- Suitable for off-road and construction vehicle seating systems
Technical Specifications
- Part Number(s): 21703, 91-8308, 31973000
- Product Type: Manual Paddle Valve Switch
Frequently Asked Questions
Q: Will this switch work on all Bostrom seats? A: It is designed for most models, but verify your seat's part number against the listed OEM numbers before purchase.
Q: Is this a genuine OEM part? A: This is a replacement part matching OEM specifications; it may be aftermarket but meets original fit and function.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.