What is the function of the intake system in a car?

The intake system is a set of components responsible for supplying air to the engine, such as the air filter, throttle body and intake manifold.

What is the main function of the fuel system?

The fuel system is the system that delivers fuel to the engine – it includes the pump, lines, filter and injectors.

What are the symptoms of intake system damage?

A loss of power, increased fuel consumption or uneven engine operation are typical symptoms of leaks in the intake system.

Does the Audi A3 8P intake system fit other models?

Some components (e.g. filters, hoses, throttle bodies) are compatible with VW Golf V and Seat Leon, but it is always worth checking the compatibility by the VIN number.

What are the benefits of keeping a clean intake system?

Better combustion efficiency, lower fuel consumption and longer turbocharger life.

How often should you change the air and fuel filter?

Recommended replacement is every 15,000–20,000 km or once a year, depending on driving conditions.

How do you know if your fuel pump needs replacing?

Symptoms of a faulty fuel pump include difficulty starting the engine, intermittent idle at higher RPMs, and a loss of power during acceleration. It's worth checking the fuel pressure and the condition of the fuel lines.

Intake and fuel system

At Global Parts, we offer a wide selection of original used car parts, including intake and fuel systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our intake and fuel systems undergo quality control to ensure you receive a top-quality product.

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Showing 199-297 of 435 products

Comprehensive offer of used intake and fuel system parts – air filters, throttles, fuel pumps, injectors, and intake manifolds

What components make up the intake and fuel system?

Have you ever wondered what determines your engine's performance and efficiency? The intake and fuel systems play a crucial role in ensuring the proper mixing of air and fuel, which translates into power, economy, and environmental friendliness. At Global Parts, you'll find a wide selection of used car parts. , such as air filters, **throttle valves , fuel pumps and fuel injectors We offer parts for intake and fuel systems for BMW , Audi, Volkswagen , Mercedes , and Mini, tailored to various models and needs.

Definition and importance of systems in your vehicle

A car's intake system is a set of components responsible for supplying the appropriate amount of air to the internal combustion engine . Together with the fuel system, it forms the engine's primary power supply. Their combined operation is crucial for the engine's efficiency, dynamics, and refinement. For example, in the Audi A3 8P 2.0 TFSI, properly tuned intake and fuel systems allow for power output of up to 200 hp while maintaining optimal fuel consumption.

How does the intake and fuel system work?

The intake and fuel systems work together to deliver a mixture of air and fuel to the combustion chamber. Each component of the system has a specific task:

Fuel pumps and level sensors – They are responsible for the correct supply of fuel to the engine and controlling its amount in the tank.

Fuel tanks and filler pipes – They store fuel and allow for safe refueling.
Air and fuel intake sensors – They monitor the amount of air and fuel supplied, optimizing engine operation.
Throttles – They regulate air flow to the engine, affecting its performance and response to the gas pedal.
Vacuum pumps – They support the operation of vacuum systems, such as brakes and control valves.
Air filters – They protect the engine from contamination by ensuring clean air during the combustion process.
Fuel filters – Removes impurities from the fuel, protecting the injection system and fuel pump.
Intake manifolds – Distributes air evenly into the cylinders, increasing combustion efficiency.
Air filter housings – They protect air filters from damage and ensure their optimal operation.
Cables, hoses and tubes – They transport fuel and air between individual system components.
Turbochargers, compressors and coolers – They increase the amount of air supplied to the engine, improving its performance.
Injection systems and parts – They are responsible for the precise dosing of fuel to the cylinders, which affects combustion and engine efficiency.
Fuel filler flaps and caps – They ensure the tightness of the refueling system and protection against leaks. Well-maintained intake and fuel system components not only improve performance, but also lower fuel consumption and reduce exhaust emissions.

Intake and fuel system parameters and compatibility

Part type	Function	Typical parameters	Compatibility
Air filter	Air purification	Flow 300–600 m³/h	Audi A3 8P, VW Golf V, Seat Leon
Fuel pump	Fuel delivery	Pressure 3–5 bar	BMW E90, Mercedes W204, VW Passat B6
Intake manifold	Air distribution	Material: aluminum	Audi A4 B8, Skoda Superb, VW Tiguan

Why is it worth taking care of the intake and fuel system?

Regular maintenance and replacement of intake and fuel system components is essential for the proper operation of any vehicle. Contamination or wear of components can lead to:

Reduced engine power.
Higher fuel consumption.
Damage to other components, such as turbochargers or catalytic converters. By choosing genuine used car parts from Global Parts, you can save money without compromising quality and durability. Our selection includes intake system parts that ensure excellent engine performance.

Benefits of proper fit

A well-maintained intake system improves the engine's flexibility, while a functioning fuel system improves stability under varying loads. Their interaction not only improves performance but also lowers operating costs. Proper component matching (e.g., by VIN or OEM number) ensures correct installation and full compatibility with the engine control electronics.

How to choose the right intake and fuel system parts?

When deciding to purchase parts, pay attention to several key aspects:

Vehicle-specific fit – Every make and model has its own unique technical requirements. At Global Parts, you'll find parts tailored to your car, whether it's a BMW , Audi, Volkswagen , Mercedes , or Mini .
Technical condition – Check whether components such as fuel lines , fuel pumps or injectors , are free from damage and ready for further use.
Material – For example, intake manifolds can be made of aluminum or plastic. Choosing the right material affects durability and efficiency.

Comparison of part types

It's worth noting the differences between original equipment and aftermarket parts. Original equipment (OEM) parts are perfectly matched to a specific vehicle model; for example, the Audi A3 8P 1.6 FSI intake system has different parameters than its equivalent in the VW Golf V. Aftermarket parts, on the other hand, often offer broader compatibility, allowing for more flexible installation while maintaining high efficiency.

Why choose used parts for the intake and fuel system?

Used car parts are the perfect solution that combines high quality with cost savings. At Global Parts, we offer a wide selection of components, such as air filters, throttle bodies, and fuel injectors, all of which have undergone rigorous quality inspections. Why choose this solution?

Lower costs – Used components, such as fuel pumps and intake manifolds, are often much cheaper than new ones, and their quality remains high.
Ecology – Choosing used car parts, you support recycling and reduce the amount of automotive waste.
Wide availability – We offer parts for all the most popular brands, allowing for easy fitment to your vehicle.

How to take care of the intake and fuel system?

To keep your engine running efficiently, regularly check the condition of your intake and fuel systems . Here are some tips:

Change air filters regularly and check intake hoses for leaks.
Keep your fuel injectors clean – contamination can reduce their performance.
Check the condition of the fuel pump and hoses to avoid problems with engine power. In case of breakdown or wear and tear, you will find the right used car parts at Global Parts that will help restore your vehicle to full working order.

Intake and fuel system diagnostic procedure

To assess the condition of the intake and fuel systems, it is worth performing simple diagnostics:

Check the tightness of the pipes and connections.
Assess the condition of your air filter – excessive dirt can reduce airflow by 30%.
Measure the fuel pressure – a difference of more than 0.5 bar from the nominal value may indicate a pump fault.
Check the air flow meter - its incorrect readings cause the engine to run unevenly.

FAQ - Frequently asked questions about the intake and fuel system

Question	Answer
What is the function of the intake system in a car?	The intake system is a set of components responsible for supplying air to the engine, such as the air filter, throttle body and intake manifold.
What is the main function of the fuel system?	The fuel system is the system that delivers fuel to the engine – it includes the pump, lines, filter and injectors.
What are the symptoms of intake system damage?	A loss of power, increased fuel consumption or uneven engine operation are typical symptoms of leaks in the intake system.
Does the Audi A3 8P intake system fit other models?	Some components (e.g. filters, hoses, throttle bodies) are compatible with VW Golf V and Seat Leon, but it is always worth checking the compatibility by the VIN number.
What are the benefits of keeping a clean intake system?	Better combustion efficiency, lower fuel consumption and longer turbocharger life.
How often should you change the air and fuel filter?	Recommended replacement is every 15,000–20,000 km or once a year, depending on driving conditions.
How do you know if your fuel pump needs replacing?	Symptoms of a faulty fuel pump include difficulty starting the engine, intermittent idle at higher RPMs, and a loss of power during acceleration. It's worth checking the fuel pressure and the condition of the fuel lines.

Summary: Intake and Fuel Systems at the Global Parts Automotive Store

The intake and fuel systems are fundamental to the proper functioning of any engine. By choosing the right parts, such as throttle bodies, air filters, fuel injectors, and fuel pumps, you can ensure your car's performance, improve fuel economy, and reduce exhaust emissions. The Global Parts automotive store invites you to browse our wide selection of genuine used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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