Heavy Duty Truck Air Bellow Suspension Pressure Sensor Replacement for Scania DAF Volvo Iveco | WABCO OEM 4410440040 4410440020 1737516

Product Overview The 4410440040 / 1737516 / 1652528 Air Bellow and Suspension Fluid Air Pressure Sensor is an industrial-grade pneumatic calibration component engineered as a premium aftermarket replacement for Scania, DAF, Volvo, and Iveco commercial trucks, passenger coaches, and heavy-duty trailers operating with Electronically Controlled Air Suspension (ECAS) or Electronic Braking Systems (EBS). Manufactured to mirror strict original equipment technical performance, this high-precision sensor mounts directly adjacent to the chassis air spring bellows or central leveling valve manifolds. By measuring millibar-level air pressure fluctuations and feeding linear voltage telemetry to the vehicle’s central ECU, it ensures microsecond chassis leveling adjustments, balanced multi-axle weight distribution, and optimized road shock damping under heavy payload stresses. Technical Specifications Primary WABCO Cross-Reference Codes: 4410440040, 441 044 004 0, 4410440020, 441 044 002 0, 4410441040, 4410400150 Scania Fleet OE Reference Codes: 1737516, 1443216, 1541530 Volvo Truck OE Reference Codes: 1652528, 20427376, 21455584 DAF Factory OE Reference Codes: 1450872, 1319760 Iveco Factory OE Reference Codes: 504103341, 504255336, 41211115 Component Class: Inductive/Piezoresistive Fluid Air Suspension Bellow Pressure Switch Sender Housing Properties: Heavy-duty, anti-oxidizing threaded connector base fused with a high-impact polymer 3-pin wiring plug shroud Condition: Brand New Premium Aftermarket Replacement Vehicle & System Compatibility Matrix This replacement air circuit logging probe features original equipment pneumatic mapping parameters and terminal pinning layouts, enabling perfect drop-in setups across major European commercial logistics networks and trailer chassis designs: Truck Manufacturer & Chassis Family Suspension & Braking Lineup Integration Profiles Scania Trucks Series (4-Series & P / G / R / T Series Platforms) Fits prominent heavy haulage and distribution models (e.g., R380, R420, G400) running factory WABCO-based ECAS chassis-leveling loops or air suspension reservoir loops under OE 1737516. DAF Trucks Series (XF 95, XF 105, XF 106, CF 75, CF 85 Fleet) Direct fitment for Class-8 long-haul highway transport tractors utilizing WABCO-indexing parameters (OE 1450872) on the main air suspension or line protection network. Volvo Trucks Series (FH, FM, FMX Series Configurations) Compatible with international heavy transport rigid cargo chassis and tractors utilizing OE 1652528 pneumatic circuit-valve pressure sensing configurations. Iveco Trucks Series (Stralis, Trakker, EuroCargo Systems) Widespread replacement use across heavy cargo trucks and construction dumpers equipped with pneumatic rear axle air bags running matching 504103341 tracking loops. Performance Benefits Restores Chassis Levelling Balance: Directly corrects typical pneumatic system failures such as crooked chassis tilt, sudden suspension collapsing under load, sluggish air bag responses, or erratic “ECAS Leveling Error” / “EBS Fault” dashboard codes. Pneumatic Shock Endurance: Engineered with an upgraded internal diaphragm capable of handling sharp, extreme air pressure surges caused by sudden pothole impacts and severe trailer load dumps. IP67 Corrosion-Proof Shroud: Built with high-strength anti-oxidation metal threads and hermetically sealed polymer headers to lock out under-chassis water spray, grease, mud, and corrosive winter road de-icers. Maintenance Tip: In long-haul logistics fleets, a failing 4410440040 / 1737516 air bellow sensor usually manifests as an un-level chassis ride, slow braking response, or the electronic leveling system continuously hunting (pumping up and deflating) without settling down. Sitting under the frame rails near the axles, this sensor is heavily exposed to aggressive road debris, moisture, and fine mechanical grease films. When installing this premium aftermarket replacement, ensure the truck’s pneumatic reservoirs are completely bled to zero pressure and the chassis is safely supported by mechanical safety jack stands. Clean any accumulated road dirt or thread rust out of the valve port, verify the sealing ring sits flush, and click the terminal clip firmly home to guarantee an air-tight, moisture-proof electronic interface.