Spark Plugs Set 4x - NGK 7390

Spark Plugs Set 4x fits NISSAN LARGO C23 2.0 92 to 01 SR20DE NGK 2240153J05. Brand: NGK. Other Par...

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The Green Spark Plug CompanyNgk Bkr5ey 7390 Spark Plug V-Grooved New Ngk-Bkr5ey
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eBayNGK BKR5EY 7390 Spark Plug / Sparkplug Projected Centre Electrode
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Product Information

Full details

This NGK 7390 spark plug set is designed for vehicle owners of NISSAN LARGO C23 (2.0L SR20DE engine, 1992-2001) and NISSAN PRIMERA W10 (1.6L GA16DE engine, 1991-1998) seeking reliable ignition performance. It offers enhanced engine efficiency and smoother operation, but may require specific torque settings during installation to prevent damage.

All features

Model Part Number7390
BrandNGK

Extended Product Information

FAQs

What is the thread size and spanner size for these spark plugs?

The thread size is M14 x 1.25, and the required spanner size is 16 mm.

Are these spark plugs suitable for diesel engines?

No, these spark plugs are designed for gasoline (petrol) engines only.

How often should I replace these spark plugs?

Replacement intervals vary by vehicle and driving conditions. Consult your vehicle's owner's manual for the manufacturer's recommended service schedule.

What does 'interference suppression 5 kOhm' mean?

This indicates the spark plug has a built-in resistor to reduce electrical interference with your vehicle's radio and other electronic systems.

Can I use these plugs if my vehicle is not listed but uses a similar OEM number?

While cross-referencing OEM numbers is a good indicator, it's best to confirm compatibility with your specific vehicle's specifications or consult a professional to avoid potential issues.

What is the thread length of the NGK 7390 spark plug?

The thread length is 19.0 mm.

Troubleshooting

Engine misfiring or rough idle after installation

Verify spark plug gap is correct for your engine type and that all plugs are fully seated and tightened to the correct torque. Ensure ignition wires are securely connected.

Difficulty starting the engine

Check that the spark plugs are correctly installed and that the ignition system is functioning properly. Ensure there are no air leaks around the spark plug seating.

Reduced fuel economy

Confirm that the spark plugs are the correct type for your vehicle and installed properly. Worn or incorrectly gapped plugs can impact fuel efficiency.

Pros and Cons

Pros

  • Direct fit for specified NISSAN and INFINITI models
  • NGK brand reputation for quality and reliability
  • Durable construction for extended service life
  • Helps maintain engine efficiency and smooth running
  • Reduces electrical interference

Cons

  • Requires specific torque during installation
  • Not compatible with all vehicle makes and models
  • Performance benefits are specific to the engine type and condition

Setup, Compatibility & Care

Compatibility: Ensure your vehicle's make, model, year, and engine type match the specifications. This set is compatible with NISSAN LARGO C23 (2.0L SR20DE, 1992-2001) and NISSAN PRIMERA W10 (1.6L GA16DE, 1991-1998), as well as INFINITI models using OEM references: 2240153J05, 2240188G75, etc.

Setup:

  1. Ensure the engine is cool before starting.
  2. Using the correct size wrench (16 mm spanner size), carefully remove the old spark plugs.
  3. Inspect the new spark plugs for any damage.
  4. Thread the new spark plugs in by hand to avoid cross-threading.
  5. Tighten the spark plugs to the manufacturer's recommended torque specifications (refer to your vehicle's service manual). Over-tightening can damage the cylinder head or the plug.

Care: Spark plugs are a maintenance item and do not require regular cleaning. They should be replaced according to the vehicle manufacturer's recommended service intervals or when performance issues arise.

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