Spark plugs for Type 4 engines and long-head cylinder heads

Spark plugs play a crucial role in the operation of internal combustion engines.

Here are the main reasons why it's important to change them regularly:

Improved engine performance: Over time, spark plugs can wear out, reducing the efficiency with which the fuel-air mixture is ignited in the cylinders. Worn spark plugs can lead to misfiring, loss of power and poor engine response.

Reduced fuel consumption: Spark plugs in good condition enable optimal combustion, which can improve the engine's fuel efficiency. Worn spark plugs, on the other hand, can increase fuel consumption due to inefficient combustion.

Preventing pollutant emissions: Incomplete or irregular ignition due to faulty spark plugs can lead to increased emission of polluting gases, including unburned hydrocarbons. Replacing spark plugs helps keep emissions down.

Easier starting: Spark plugs that are worn or in poor condition can make starting the engine more difficult, especially in cold weather. New spark plugs ensure faster, more reliable starting.

Preventing engine failure: Faulty spark plugs can lead to engine malfunctions, misfiring, abnormal vibrations and, in the long term, damage to internal engine components.

In short, changing spark plugs regularly ensures optimum engine performance, improves fuel consumption, reduces pollutant emissions and prevents breakdowns.

Original BOSCH W8CC/WR8CC or equivalent BERU Z58 spark plug according to availability for VW :

- Combi Bay Window.

- Transporter T25 / T3 with Type 4 engine: 1700, 1800, 2000cc

- Beetle with long cylinder heads.

Long cylinder head: 19 mm

Diameter: 14 mm