BERU Engine Spark Plug - Z12

This BERU ULTRA Spark Plug, part number Z12, is manufactured to OE-quality standards for reliable ...

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AutodocBERU Spark plug VW,AUDI,SEAT Z12 0001335709,147DTU,596221 Engine spark plug,Spark plugs 9151873580,7701414114,7701414140,A51938380,000057067A,N0178127
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eBayBERU Z12 Ignition Spark Plug For Audi 100 Lancia Thema VW Golf II
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Product Information

Full details

This BERU ULTRA Spark Plug (Z12) is designed for vehicle owners seeking reliable engine performance and an exact fit. Its key benefit is OE-quality manufacturing ensuring consistent ignition. A caveat is the importance of verifying specific vehicle fitment before purchase. This spark plug features a durable construction suitable for a range of vehicles, including popular models from VW, Lancia, and Audi.

All features

Model Part NumberZ12
BrandBERU

Extended Product Information

FAQs

What vehicles is the BERU Z12 spark plug compatible with?

The BERU Z12 is designed for vehicles such as the VW Passat B2, Lancia Thema, and Audi 90 B2, among others. Always verify fitment with your specific vehicle's specifications before purchasing.

What is the electrode gap for the Z12 spark plug?

The electrode gap for the BERU Z12 spark plug is 0.8mm.

What is the correct tightening torque for this spark plug?

The recommended tightening torque for the BERU Z12 spark plug is between 25-30 Nm.

How do I know if I need to replace my spark plugs?

Signs include engine misfires, rough idling, decreased fuel economy, difficulty starting, and a general loss of engine power. Consult your vehicle's maintenance schedule for recommended replacement intervals.

What does OE-quality mean?

OE-quality means the product is manufactured to the same standards and specifications as the original parts that came with your vehicle when it was new.

Can I use a different size spanner to install the spark plug?

No, a 21mm spanner is required for the BERU Z12 spark plug. Using the wrong size tool can damage the plug or the cylinder head.

Troubleshooting

Engine misfires or runs rough

Ensure the spark plug is correctly installed and torqued. Check the spark plug wire or ignition coil for proper connection and condition. Verify that the Z12 is the correct plug for your vehicle.

Difficulty starting the engine

Confirm the spark plug is the correct type and gap for your vehicle. Check for proper fuel delivery and air intake. Ensure all spark plug connections are secure.

Spark plug does not fit

Double-check the thread size (M14x1.25), thread length (19mm), and spanner size (21mm) against your vehicle's specifications. It's possible you have the incorrect part number or your vehicle requires a different plug.

Over-tightening or under-tightening spark plug

Always use a torque wrench and tighten to the recommended 25-30 Nm. Over-tightening can damage the cylinder head, while under-tightening can cause a poor seal and performance issues.

Pros and Cons

Pros

  • Meets OE specifications for reliable performance.
  • Designed for an exact fit, reducing installation complexity.
  • Durable construction for extended service life.
  • Precise electrode gap aids in efficient fuel combustion.

Cons

  • Requires careful fitment verification before purchase.
  • Specific torque settings are crucial for proper installation.
  • May not be compatible with all vehicle makes and models.

Setup, Compatibility & Care

Compatibility Verification: Before installation, it is crucial to verify that the BERU Z12 spark plug is compatible with your specific vehicle make, model, and year. Consult your vehicle's owner's manual or a reliable parts database. Check measurements like thread size (M14x1.25), thread length (19mm), and electrode gap (0.8mm) against your vehicle's requirements.

Installation:

  1. Ensure the engine is cool.
  2. Remove the old spark plug using a 21mm spanner.
  3. Gently thread the new BERU Z12 spark plug into the cylinder head by hand to avoid cross-threading.
  4. Use a torque wrench to tighten the spark plug to the manufacturer's specified torque, typically between 25-30 Nm.
  5. Reconnect the spark plug wire or ignition coil.

Care: Spark plugs are wear items and do not typically require maintenance. Replacement is recommended at specified intervals according to your vehicle manufacturer's maintenance schedule.

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