Air Lift Height Sensor Upgrade Kit 3P → 3H (≈ 27705)
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Height Sensors
3P → 3H
Air Lift 27705 equivalent — Rasl'Bitume quality
Rasl'Bitume manufacturing
The Rasl'Bitume 3P → 3H Upgrade Kit is the solution for transforming your Air Lift 3P management system (pressure-only control) into a genuine 3H system, combining height and pressure control simultaneously.
Designed by Rasl'Bitume, a renowned German specialist in air and static suspension parts, this kit is the premium alternative to the original Air Lift 27705. It includes the 4 rotary height sensors, the dedicated wiring harness, and all the mounting hardware required.
Connection to your existing 3P main harness is fully plug & play — no soldering or electronic modifications required. A Rasl'Bitume mounting bracket is available as an option depending on your configuration.
The 3P system controls height via air pressure in the air springs — practical but less precise, as pressure varies with load and temperature. The 3H system adds mechanical height sensors that measure the actual position of the suspension arm, enabling simultaneous height + pressure management. The result: a true and consistent ride height, regardless of the vehicle’s load.
Part covered by the Rasl'Bitume manufacturer’s warranty against any manufacturing or material defects. Rasl'Bitume is a recognized German brand in the air & static community, whose parts are used and approved by professional installers throughout Europe.
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since 2017
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