29074-04E Seat Air Lumbar Switch 3-Button Control Valve for MAN

$19.43

Truck Seat 3-Button Lumbar Control Valve Specs

OEM Part Numbers: 29074-02, 29074-04E, 2907402, 2907404E
Cross References: 81623986093 (MAN), 42538404 (IVECO)
Seat Model Compatibility: Fits ISRI 6860 NTS1, 6860/885 Series Air Seats
Truck Compatibility: for MAN (TGA/TGX), IVECO (Stralis), Volvo (FH/FM), Scania
Control Zones: 3-Button Pneumatic Adjustment (Upper, Middle, Lower Lumbar)
Mounting Position: Right Hand (RH) Side of the Seat
Includes: Integrated 4mm PU Air Hose with Quick-Connect Plug
Condition: 100% Brand New High-Performance Aftermarket Component

3-Zone Precision Adjustment: Allows the driver to independently control the inflation of three separate lumbar bladders for ultimate back support and comfort.
Complete Pneumatic Assembly: Comes pre-assembled with a high-flexibility air line and connector, making it a direct swap for your faulty original valve.
OEM-Grade Materials: Constructed from UV-resistant ABS plastic and reinforced internal pneumatic components to withstand daily professional use.
Ergonomic Design: Features tactile, easy-to-use buttons that can be operated by touch while driving, ensuring safety and convenience.

BUTTON ICON CHECK: Ensure your original switch has the same 3 lumbar icons. This valve controls air pressure, not electrical signals.
SIDE VERIFICATION: This is the **RH (Right Hand)** side switch. If your controls are on the left, please contact us for the LH version.
AIR LINE DIAMETER: Comes with a standard 4mm pneumatic hose. Ensure your seat's internal air distribution block uses compatible fittings.
COMMON FAILURE SYMPTOMS: Replace if your lumbar supports are no longer holding air or if the buttons have lost their tactile "click" or resistance.

Truck/Seat Brand	Compatible Models
for ISRI Seats	6860 NTS1 Series (Standard in Euro Trucks)
for MAN TRUCKS	TGA, TGS, TGX Series (OE 81623986093)
for IVECO TRUCKS	Stralis, Eurocargo, Trakker (OE 42538404)
for VOLVO TRUCKS	FH12, FH16, FM Series (ISRI Seats)