Modern turbocharged engines push compressed air from the turbocharger to the intercooler and then onwards to the inlet manifold through a network of reinforced rubber or silicone charge air hoses. These pipes operate under continuous boost pressure โ typically between 1.0 and 2.5 bar โ while flexing through the thermal expansion cycles that occur each time the engine warms up and cools down. A cracked or delaminated hose causes a boost leak: the engine management system detects the drop in manifold pressure and reacts by cutting boost delivery, leaving the driver with a noticeable flat spot, sluggish acceleration, and sometimes a whistling or hissing noise audible under hard driving. Vehicles from Volkswagen Group and Peugeot-Citroรซn brands are among the most frequently affected, largely because their engines run high specific outputs through relatively small-diameter hoses. BUGIAD and RAPRO manufacture hose assemblies across a broad range of European chassis, and each part number encodes bore diameter, hose routing, and connector geometry โ details that differ even between engines sharing the same displacement within a single model range. Fitting an incorrect hose that introduces a slight kink or an imprecise diameter at the clamp point is enough to cause recurring boost loss, which is why matching by OE reference is the only reliable approach.
Use your VIN or the make-model-engine selector to filter the listings on this page, then cross-reference the OE number printed on your existing hose or stamped into the clamp collar. Charge air hoses are engine-specific because bore diameter, wall thickness, routing shape, and end connector dimensions vary even between engines of identical displacement fitted to the same model. An incorrect part may appear to fit until boost pressure exposes the imprecise seal at the clamp point.
OEM hoses are moulded to the exact routing geometry and burst pressure ratings specified by the vehicle manufacturer, typically supplied by BUGIAD, RAPRO, or Metalcaucho for European applications. Quality aftermarket alternatives use equivalent reinforced rubber or silicone construction and carry the same OE cross-reference. Very cheap hoses sometimes use thinner wall material or less accurate end fittings that distort under boost, creating micro-leaks that worsen with thermal cycling.
Not necessarily, though it is worth inspecting all hoses in the intercooler circuit while the failed one is removed. Hoses on turbocharged engines age at broadly similar rates because they share the same heat soak cycles, so a cracked hose near the turbocharger outlet often signals that adjacent sections are close to failure. Replacing the full circuit at once avoids a repeat repair within a short mileage โ particularly relevant on higher-mileage engines where the rubber has hardened throughout.
A boost leak from a split or delaminating hose typically produces a flat spot under hard acceleration, particularly above 2,000 rpm when the turbocharger reaches full boost. A hissing or sucking sound from the engine bay under load is often the first audible sign. The engine management system may log a boost pressure fault code, and in severe cases the turbo overboost protection cuts throttle response entirely. Fuel consumption also rises as the ECU enriches fuelling to compensate for the apparent air deficit.
Showing 100 of 9,038 Charge Air Hose OE numbers. Enter the OE on the main OE search to jump to any reference.
