NGK Spark Plug - APR5FS - 3122

NGK APR5FS 3122 Standard Spark Plug / Sparkplug - Premium Quality - Perfect Fit. This spark plug i...

Best current price£3.23from The Green Spark Plug Company

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The Green Spark Plug CompanyNgk Apr5fs 3122 Spark Plug Copper Core New Ngk-Apr5fs
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AutodocNGK Spark plug FORD 3122 9009816735,APR5FS,9009816735 Engine spark plug,Spark plugs
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eBayNGK APR5FS 3122 Standard Spark Plug / Sparkplug - Premium Quality - Perfect Fit
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Product Information

Full details

The NGK APR5FS 3122 Standard Spark Plug is designed for automotive enthusiasts and everyday drivers seeking reliable ignition performance and a precise factory-grade fit. Featuring a durable nickel alloy electrode, this spark plug ensures consistent combustion and smooth engine starting across a wide variety of compatible vehicle applications. While it offers excellent value and dependability, users must verify engine compatibility and ensure the correct gap is set according to their vehicle manufacturer's specifications before installation.

All features

Model Part Number3122
BrandNGK

Extended Product Information

FAQs

How often should I replace these spark plugs?

It is recommended to follow the service interval outlined in your vehicle's owner's manual, typically ranging from 30,000 to 50,000 miles for standard nickel plugs.

Do I need to gap these before installation?

Yes, while they come pre-set, you should always check the gap against your vehicle manufacturer's specifications to ensure optimal performance.

Is this a copper or iridium plug?

The NGK APR5FS 3122 uses a nickel-alloy center electrode.

Can I use these in a high-performance modified engine?

This plug is designed for standard ignition service. For high-compression or turbocharged racing applications, consult NGK's high-performance catalog for appropriate heat range and electrode material.

Should I apply anti-seize to the threads?

NGK generally advises against using anti-seize because their plugs feature a special trivalent plating that provides corrosion resistance and proper torque tension without additional lubrication.

Troubleshooting

Engine misfire immediately after installation

Check that the ignition wire or coil pack is fully seated and that the spark plug is tightened to the correct torque.

Difficulty starting the engine

Verify the spark plug gap matches your vehicle's service manual requirements, as the factory gap may need adjustment.

Rough idle

Ensure that the spark plug wires were reconnected to the correct cylinders and that no wires were damaged during the process.

Pros and Cons

Pros

  • Trusted NGK brand quality and reliability
  • Consistent and dependable spark for engine starting
  • High resistance to corrosion and rust
  • Engineered for a precise, worry-free fit

Cons

  • Nickel electrode requires more frequent replacement than Iridium alternatives
  • Not intended for high-performance or high-compression racing engines
  • Requires manual verification of gap settings for specific vehicles

Setup, Compatibility & Care

Before installation, always confirm that the APR5FS 3122 is the correct part number for your specific engine by consulting your owner's manual or an automotive parts database. When installing, ensure the engine is completely cool to prevent damage to the cylinder head threads. Use a spark plug socket and torque the plug to the manufacturer's recommended specifications; avoid overtightening, as this can crack the ceramic insulator. If you are replacing multiple plugs, do them one at a time to avoid mixing up ignition wire order.

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