Volkswagen Engine Parts

Automotive engines are complex machines with many moving parts. These parts work together to convert fuel into power to move a vehicle. Here are some of the main parts of an engine and their functions:

  • Engine Block: The engine block is the main part of the engine and is responsible for providing support to all other engine parts. It houses the cylinders, crankshaft, and pistons. Engine blocks are made from cast iron or aluminum alloy.
  • Pistons: Pistons are responsible for compressing fuel and air in the engine. They move up and down in the cylinder, powered by the explosion of fuel and air mixture. Pistons are typically made of aluminum alloy and have a ring of seals around them to prevent combustion gases from escaping.
  • Crankshaft: The crankshaft converts linear motion into rotational motion and is responsible for transferring power from the engine to the wheels. It turns the pistons' up-and-down motion into rotational motion that can be transferred to the transmission. Crankshafts are usually made of steel.
  • Camshaft: The camshaft is responsible for opening and closing the engine's valves, which allows fuel and air into the engine. The camshaft rotates to push the rocker arms, which open and close the valves. Camshafts are typically made of cast iron or steel.
  • Timing Belt/Chain: The timing belt or chain keeps the camshaft and crankshaft in sync. It ensures that the valves open and close at the right time and that the pistons are in the correct position when fuel is ignited. If the timing belt or chain breaks, the engine can suffer significant damage.
  • Spark Plugs: Spark plugs ignite the fuel and air mixture in the engine. They produce a spark that ignites the fuel, creating an explosion that moves the pistons. Faulty spark plugs can cause misfires and poor engine performance.
  • Here are some potential signs of trouble with engine parts:

  • Engine misfires
  • Loud knocking noises
  • Excessive oil consumption
  • Rough idling
  • Engine vibrations
  • Overheating
  • Oil leaks
  • Coolant leaks
  • Poor acceleration or power
  • Your manufacturer makes the best replacement engine parts for your vehicle, so it only makes sense to buy the ones that are guaranteed compatible. Find them right here in our online parts store, in stock and pried up to 35% below the MSRP. Buy today and we'll ship your order directly to your front door!

    N0119078 - : Engine Core Plug for Volkswagen Image

    Engine Core Plug

    Volkswagen N-011-907-8
    Location-Engine Block. 14mm. Location-Cylinder Head. 14mm.
    $0.23
    MSRP $0.39
    Save $0.16
    41% Off
    N0119185 - : Engine Core Plug for Volkswagen Image

    Engine Core Plug

    Volkswagen N-011-918-5
    Location-Engine Block. 12mm. Taos. Side. Small.
    $0.24
    MSRP $0.41
    Save $0.17
    41.5% Off
    4L121101A - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 04L-121-101-A
    Charge Air Cooling. Inlet. Pipe to Intake Manifold. 2.0L diesel 1st design intercooler. Hose. 2015, right side. 2015, return. 2015,...
    $17.63
    MSRP $29.38
    Save $11.75
    40% Off
    59121071CK - : Engine Coolant Pipe for Volkswagen Image

    Engine Coolant Pipe

    Volkswagen 059-121-071-CK
    Water pipe. 2013-16, supply.
    $76.15
    MSRP $113.32
    Save $37.17
    32.8% Off
    5Q0122058G - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 5Q0-122-058-G
    ATF Cooling. Wtr outlet hose. 2015, left side, auto trans. 2015, supply. 2015, main.
    $20.87
    MSRP $34.78
    Save $13.91
    40% Off
    5Q0122157AB - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 5Q0-122-157-AB
    Auxiliary Water Pump. HVAC System. Supply. Gas, inlet.
    $15.47
    MSRP $25.78
    Save $10.31
    40% Off
    7P6121109F - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 7P6-121-109-F
    2013-16, supply. Oil Filter Adapter Housing Pipe to Reservoir Pipe.
    $15.83
    MSRP $26.38
    Save $10.55
    40% Off
    36103113A - : Engine Core Plug for Volkswagen Image

    Engine Core Plug

    Volkswagen 036-103-113-A
    Location-Cylinder Head. 36.6mm. Location-Engine Block. 36.6mm. Tiguan. Atlas Cross Sport. Jetta.
    $2.96
    MSRP $4.94
    Save $1.98
    40.1% Off
    45109145H - : Engine Timing Cover for Volkswagen Image

    Engine Timing Cover

    Volkswagen 045-109-145-H
    Beetle. Upper. Inner. Passat. 100 horsepower. 1.9L. Coupe, 2004-06.
    $58.23
    MSRP $86.65
    Save $28.42
    32.8% Off
    4E971627CA - : Engine Wiring Harness for Volkswagen Image

    Engine Wiring Harness

    Volkswagen 04E-971-627-CA
    1.4L. without HYBRID auto trans.
    $564.29
    MSRP $803.84
    Save $239.55
    29.8% Off
    6F121063D - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 06F-121-063-D
    Thermostat Housing Pipe to Distributor Piece. 2006-08, feed. Front hose. 2007-08, feed. Gas.
    $24.02
    MSRP $41.78
    Save $17.76
    42.5% Off
    3CN863934H - : Engine Compartment Insulation for Volkswagen Image

    Engine Compartment Insulation

    Volkswagen 3CN-863-934-H
    Inner.
    $68.59
    MSRP $102.07
    Save $33.48
    32.8% Off

    No results found for "engine, piston, valve, valve cover, camshaft". Here are some helpful search tips:

    • Search by a part name. Example: water pump.
    • Be less specific. Example: brake instead of ceramic brake.
    • Remove information such as make, year or model.
    • Can't find the part you are looking for? Contact us and we'll find it for you!