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!

    6K121075BB - : Engine Coolant Pipe for Volkswagen Image

    Engine Coolant Pipe

    Volkswagen 06K-121-075-BB
    Tube. 2018-23, inlet. 2.0L, left side. 2020-23, inlet. Supply. 2.0L, inlet.
    $28.62
    MSRP $49.78
    Save $21.16
    42.5% Off
    5Q0121070AF - : Engine Coolant Pipe for Volkswagen Image

    Engine Coolant Pipe

    Volkswagen 5Q0-121-070-AF
    Tube. 2.0L diesel, radiator, 1st design. 2015, left side, manual trans. 2015, main.
    $100.79
    MSRP $149.98
    Save $49.19
    32.8% Off
    6K121075AQ - : Engine Coolant Pipe for Volkswagen Image

    Engine Coolant Pipe

    Volkswagen 06K-121-075-AQ
    2.0L gas, left side. Tube. Coupe, drivers side rear.
    $29.31
    MSRP $50.98
    Save $21.67
    42.5% Off
    6J972619CK - : Engine Wiring Harness for Volkswagen Image

    Engine Wiring Harness

    Volkswagen 06J-972-619-CK
    Auto trans with SULEV.
    $637.19
    MSRP $907.68
    Save $270.49
    29.8% Off
    75121113D - : Engine Coolant Thermostat for Volkswagen Image

    Engine Coolant Thermostat

    Volkswagen 075-121-113-D
    Jetta. 2.8l. EuroVan. 2.8l. Passat. 2.8l. To Chassis/VIN 70-2-097 000. Golf, GTI. 2.8l.
    $41.02
    MSRP $59.45
    Save $18.43
    31% Off
    6J971595AP - : Engine Wiring Harness for Volkswagen Image

    Engine Wiring Harness

    Volkswagen 06J-971-595-AP
    Auto trans.
    $629.09
    MSRP $896.14
    Save $267.05
    29.8% Off
    79121107P - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 079-121-107-P
    4.2L, feed from 12/06, to vin 7l9020000. Pipe to Water Connection. To Chassis/VIN 7L-9020 000.
    $17.63
    MSRP $29.38
    Save $11.75
    40% Off
    N0119079 - : Engine Core Plug for Volkswagen Image

    Engine Core Plug

    Volkswagen N-011-907-9
    Location-Engine Block. 14mm. Location-Cylinder Head. 14mm. Location-Front of Block. 14mm.
    $0.43
    MSRP $0.73
    Save $0.30
    41.1% Off
    N90802703 - : Engine Core Plug for Volkswagen Image

    Engine Core Plug

    Volkswagen N-908-027-03
    Location-Cylinder Head. 30mm.
    $0.53
    MSRP $0.88
    Save $0.35
    39.8% Off
    3C0121447AP - : Engine Coolant Hose for Volkswagen Image

    Engine Coolant Hose

    Volkswagen 3C0-121-447-AP
    Pipe to "T". Toward Heater Inlet Coupling. 3.6L, return. 3.6L, feed, from vin 3c7120001. 3.6L, feed, to vin 3c7120000.
    $12.95
    MSRP $21.58
    Save $8.63
    40% Off
    3G0863993F - : Engine Compartment Insulation for Volkswagen Image

    Engine Compartment Insulation

    Volkswagen 3G0-863-993-F
    Front.
    $33.45
    MSRP $48.49
    Save $15.04
    31% Off
    3L115611M - : Engine Oil Dipstick for Volkswagen Image

    Engine Oil Dipstick

    Volkswagen 03L-115-611-M
    Sedan from 1/05, wagon 2009 only, 2.0L, diesel.
    $28.62
    MSRP $49.79
    Save $21.17
    42.5% Off

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