NGK Spark Plug - 6508

This NGK spark plug is designed for smooth-running engines and offers consistent performance. It f...

Best current price£7.07from The Green Spark Plug Company

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The Green Spark Plug CompanyNgk Cpr9eb-9 6508 Spark Plug Copper Core Cpr9eb9 New Ngk-Cpr9eb-9
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eBay1x NGK CPR9EB-9 6508 Standard Spark Plug For PEUGEOT Metropolis 400i LFE 13-->
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GhostBikes.comNgk 6508 - Spark Plug For Peugeot Pulsion 125 Abs 2023-2024
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Product Information

Full details

The NGK 6508 spark plug is an ideal choice for automotive DIYers and mechanics seeking reliable ignition and a smooth-running engine. Known for its consistent performance and precision engineering, this nickel-based plug offers dependable combustion efficiency in a wide array of vehicles. However, users must be diligent in verifying vehicle compatibility and specifications against their original equipment, as incorrect installation can lead to engine performance issues.

All features

Model Part Number708.02.34
BrandNGK

Extended Product Information

FAQs

How often should I replace these spark plugs?

It is recommended to follow your vehicle manufacturer's maintenance schedule, typically every 30,000 to 50,000 miles for standard nickel plugs.

Do these spark plugs come pre-gapped?

While NGK plugs are often pre-gapped, you should always verify the gap with a feeler gauge to meet your engine's exact specifications before installation.

Can I use this in a high-performance racing engine?

This plug is intended for standard street vehicles; high-performance engines may require plugs with higher heat ranges or precious metal electrodes.

What is the benefit of the triple-gasket design?

The triple-gasket process provides a superior seal against cylinder pressure, preventing gas blow-by and protecting the engine head from thermal damage.

What should I do if the fitment is uncertain?

Compare the 19 mm thread length and 16 mm spanner size to your current plug and consult your vehicle's service manual for the OEM part number cross-reference.

Troubleshooting

Engine misfire after installation

Verify that the spark plug wire or ignition coil is fully seated on the terminal and check that the correct gap was set if required.

Difficulty threading the plug into the cylinder head

Stop immediately to prevent cross-threading. Ensure the plug is perfectly perpendicular to the hole and start by hand-tightening to ensure the threads catch properly.

Poor fuel economy or sluggish performance

Confirm that this specific plug is recommended for your engine's heat range and check for vacuum leaks in the intake system.

Pros and Cons

Pros

  • Superior gas sealing via triple-gasket technology
  • High-reliability performance for daily driving
  • Precision-engineered nickel material
  • Widely recognized and trusted manufacturing standards

Cons

  • Requires manual verification of fitment against OEM part numbers
  • Nickel construction is less durable than iridium alternatives in high-performance applications
  • Installation requires specific tools and torque knowledge

Setup, Compatibility & Care

Before installation, ensure the engine is completely cool to prevent damage to the cylinder head threads. Always cross-reference the `MPN 708.02.34` with your vehicle owner's manual or the markings on your current spark plugs to ensure an exact match. When installing, use a 16 mm spark plug socket and tighten to the manufacturer's specified torque settings. Avoid over-tightening, as this can damage the gasket seal. Periodically inspect the electrode tip during oil changes to monitor for carbon buildup or signs of pre-ignition.

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