Audi A3 8V Golf 5G Octavia 5E Connecting Hose Vacuum Pipe 1.5 Petrol 05E133366C

Audi A3 8V Golf 5G Octavia 5E Connecting Hose Vacuum Pipe 1.5 is an original component from the Lines, hoses and pipes group, designed for vacuum systems in 1.5 petrol engines. Engineered by the vehicle manufacturer, it ensures proper vacuum routing, stable operation of engine accessories, and predictable performance of the power unit during daily use.

Specifications and technical data

• SKU: 05E133366C
• Mark: Audi
• Condition: Used
• OEM Part Number: 05E133366C
• Substitutable numbers: 05E133366C, 05E 133 366 C
• Fuel type: Petrol
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function in the vacuum system

The presented vacuum connecting hose operates within the control area of petrol engine accessories, such as boost control systems, flap actuators, or other components requiring stable vacuum. The precisely selected geometry of the hose allows for:

• maintaining the tightness of the vacuum system under varying engine loads,
• limiting pressure drops between components,
• reducing the risk of engine control malfunctions resulting from leaks. As a result, the petrol engine control system maintains repeatable parameters, which translates into predictable throttle response and correct operation of systems cooperating with the vacuum.

Compatibility with models and petrol systems

The hose has been developed for use in popular group models such as the Audi A3 8V, Volkswagen Golf 5G, and Skoda Octavia 5E with 1.5 petrol engines. This means it fits factory connectors, brackets, and hose routing in the engine bay without the need for modifications or the use of adapters. In practice, this translates into:

• secure seating on vacuum system connectors,
• correct hose routing while maintaining required bending radii,
• reduced risk of chafing and damage resulting from improper installation.

Technical characteristics and user benefits

As an element from the Lines, hoses and pipes group, the vacuum connecting hose is designed to work in an environment typical for a petrol engine bay: under varying temperatures, vibrations, and the presence of fuel and oil vapors. The hose construction is adapted for:

• resistance to vacuum without wall collapse,
• limiting micro-cracks and leaks over the long term,
• stable shape retention near hot engine components. Selecting the correct vacuum hose has a direct impact on the engine's refinement, correct mixture regulation, and the operation of auxiliary systems, which is why using an original solution is particularly beneficial when diagnosing unstable idle, power loss, or errors related to the control system.

Condition, installation, and service application

The item comes from disassembly and is intended for reinstallation in vehicles equipped with a 1.5 petrol engine from the Audi / Volkswagen / Skoda group. In practice, it will work well both for standard replacement of a worn hose and for broader service work within the engine accessories, where restoring the tightness of the vacuum system is required. Due to the factory origin of the hose, installation is similar to plug-and-play: the hose is routed according to the original path, using existing brackets and mounting points, which facilitates the mechanic's work and limits the risk of installation errors.

System expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional vacuum lines, supply hoses, or pipes for operating media, check the available parts in the Audi Lines, hoses and pipes category. For users interested in a broader context of selecting original components and the impact of proper parts on the durability of power units, the article describing the characteristics of Audi engines and the principles of selecting used parts by identification numbers may be helpful – you can find it here: Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts.