2R2881251A Truck Air Seat Valve Adjuster Switch for VW Constellation Delivery for Ford Cargo for Mercedes Axor Seat Switch
Truck Air Seat Adjuster Control Valve Specs
OEM Part Number: 2R2881251A, 2R2 881 251 A
Product Name: Pneumatic Seat Height Control Switch / Rocker Valve
Truck Compatibility: for VW Constellation, Delivery Series
Additional Compatibility: for Ford Cargo, Mercedes-Benz Axor/Actros, Iveco, Volvo
Material: Reinforced ABS Plastic + Genuine Brass Pneumatic Stem
Function: Seat Height Adjustment & Leveling Control
Connector Type: Integrated Brass Inlet + Plastic Exhaust Port
Condition: 100% Brand New Premium Performance Aftermarket Kit
Product Highlights
High-Pressure Brass Stem: Features a high-quality brass inlet stem that ensures a superior air-tight seal and resists stripping or cracking under high pressure.
Precision Rocker Operation: The smooth rocker-style switch provides accurate, tactile control over your seat's height, restoring original driver comfort.
Industrial Strength Housing: Built with reinforced engineering-grade ABS plastic to withstand the constant vibrations and heavy use of commercial trucking.
Direct OEM Fitment: Designed to the exact dimensions of the factory 2R2881251A switch for a hassle-free, plug-and-play installation.
⚠️ IMPORTANT: BUYER'S GUIDE (TECHNICAL VERIFICATION)
PNEUMATIC PORT CHECK: This is a 2-port pneumatic valve. Verify that your original switch has one brass stem and one plastic stem on the back.
SWITCH TYPE: This is a manual pneumatic toggle. If your seat uses an electric solenoid for adjustment, this part is NOT compatible.
LEAK PREVENTION: Always ensure the air lines are cut squarely and pushed firmly onto the stems during installation to prevent slow air leaks.
UNIVERSAL UTILITY: While listed for VW/Ford, this switch is a standard repair component for many European and Brazilian truck seats (ISRI type).
Comprehensive Application Matrix
Truck Brand |
Compatible Models |
for Volkswagen (VW) |
Constellation, Delivery, Meteor (South American Models) |
for Ford Trucks |
Cargo Series (Heavy Duty Models) |
for Mercedes-Benz |
Axor, Actros, Atego (with Pneumatic Seats) |
for Iveco / Volvo |
Various Series using standard ISRI Air Valves |
Package Includes: 1x Air Seat Adjuster Control Switch, 1x Mounting Hardware Kit



