20530447 20530448 Truck Seat Pneumatic Adjustment Switch for Volvo FM FH FM12 FH12 for ISRI 6860 Seat Control Valve with Tubing
Seat Pneumatic Adjustment Switch Kit Item Specifics
OEM Part Numbers: 20530447, 20530448
Function: Seat Height / Lumbar / Tilt Pneumatic Control Switch
Seat Compatibility: for ISRI 6860, ISRI NTS Series Air Suspension Seats
Truck Compatibility: for Volvo FH, FM, FH12, FH16, FM9, FM12 (Version 2 & 3)
Components: 1x Rocker Valve Switch + 2x Pre-installed Air Tubes
Working Pressure: Standard Truck Air System Pressure
Condition: 100% Brand New, Precision Air-Tight Seal
Product Highlights
Seamless Integration: Direct replacement for OE **20530447 / 20530448**. Designed specifically for the center or side console of for Volvo truck seats.
Enhanced Air Sealing: Features reinforced internal valves to prevent air leakage, common in older high-mileage for Volvo seats.
High-Flex Tubing: Includes pre-connected black and clear pneumatic lines with original-spec connectors for a fast, "plug-and-play" installation.
Industrial Endurance: Molded from high-impact polymer to withstand the continuous mechanical stress of driver adjustments.
⚠️ IMPORTANT: BUYER'S GUIDE (TECHNICAL VERIFICATION)
PNEUMATIC VS ELECTRIC: This is a **PNEUMATIC (AIR-OPERATED)** valve. It is NOT an electrical switch. Ensure your seat adjustment is air-powered.
PORT ORIENTATION: Check the back of your existing switch. This model features a dual-port configuration for standard height/lumbar systems.
TUBE COLOR CODE: Our kit uses standard black/clear coding. Please match the lines correctly to the air supply and the seat airbag during installation.
OE CONFIRMATION: Replaces Volvo **20530447** and **20530448**. Checking these numbers on your original part is the best way to ensure compatibility.
Vehicle Compatibility Matrix
Truck Brand / Series |
OE Reference |
for Volvo FH12 / FH16 / FH Series |
20530447 / 20530448 |
for Volvo FM9 / FM12 / FM Series |
20530447 Compatible |
for Trucks with ISRI 6860 / NTS Seats |
Universal ISRI Fitment |
Package Includes: 1x Pneumatic Rocker Switch, 2x Pre-Connected Air Tubes with Fittings



