Air & Fuel System

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  1. Fuel Pump 4307021RX - Cummins
    Cummins Fuel Pump 4307021RX
    Part# 4307021RX OLD# -

    Core charge

    Price $4,333.37
    Ships within 72 hours
  2. Fuel Pump 4359487PX - Cummins
    Cummins Fuel Pump 4359487PX
    Part# 4359487PX OLD# 4307527PX

    Core charge

    Price $4,840.41
    Ships within 72 hours
  3. Throttle 23523732 - Detroit Diesel
    Price $4,850.67
    Ships within 3 to 6 weeks
  4. Kit - Sensor 83904-103R - Bendix
    Bendix Kit - Sensor 83904-103R
    Part# 83904-103R OLD# -

    Core charge

    Price $4,038.01
    Ships within 3 to 6 weeks
  5. Fuel Pump 4359489PX - Cummins
    Cummins Fuel Pump 4359489PX
    Part# 4359489PX OLD# -

    Core charge

    Price $4,840.41
    Ships within 3 to 6 weeks
  6. Fuel Pump 4359548PX - Cummins
    Cummins Fuel Pump 4359548PX
    Part# 4359548PX OLD# -

    Core charge

    Price $4,813.49
    Ships within 3 to 6 weeks
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What is the Air & Fuel System in trucks?

The air and fuel system in trucks and semis is a complex system, composed of many parts. Making sure all of them are replaced in time and well-maintained will allow your vehicle to remain safe and efficient on the road, allowing you to save money on fuel and repairs.

Main components of Air & Fuel Systems in trucks and semis

The air intake system is one of the most basic components of every air and fuel system in trucks and semis. The system draws in fresh air from outside, filters it to remove dust and debris, and directs it into the engine’s combustion chamber. Its key parts include the air filter, intake manifold, and throttle body, all of which need to be well-maintained at all times.

Just as the air intake system provides air to the engine, the fuel delivery system provides fuel. It includes the fuel tank, fuel pump, fuel filter, fuel lines, and fuel injectors - or a carburetor in older trucks. The fuel pump sends fuel from the tank through the fuel filter and lines to the injectors (or carburetor), which mix fuel and air to create an efficient mixture that enters the combustion chamber.

Maintaining your Air & Fuel System 

By keeping the air and fuel system well-maintained, truck owners can ensure better engine performance, fuel efficiency, and safety, all essential for the truck’s long-term operation. Replace all the essential parts when necessary, and your truck will thank you for it.

You can find a wide range of air and fuel system parts at Big Rig World, with many options for different types of vehicles. From tubes and hoses to valves and fuel pumps, Big Rig World offers a variety of high-quality parts for trucks and semis at affordable prices.