NGK BR7EFS 1094 Spark Plug

BR7EFS NGK Spark Plugs. Contact Us: eBay Messaging Service. NGK BR7EFS (1094) - Standard Spark Plu...

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Product Information

Full details

The NGK BR7EFS (1094) standard spark plug is designed for automotive enthusiasts and DIY mechanics looking for reliable ignition performance. Featuring a built-in 5kOhm resistor, this plug provides stable combustion and electrical interference suppression, making it an excellent replacement for compatible internal combustion engines. Note that this is a single unit purchase, and users must verify vehicle compatibility via the owner's manual or engine specifications before installation to ensure proper heat range and thread size match.

All features

Model Part Number	NGK-BR7EFS
Brand	NGK

Extended Product Information

FAQs

What does the 1094 number mean?

1094 is the stock number for the NGK BR7EFS spark plug, which helps in identifying the specific configuration and model.

How often should I replace these spark plugs?

Standard spark plugs typically have a shorter service life than precious metal plugs; refer to your vehicle's service manual for the recommended change interval, usually every 30,000 to 50,000 miles.

Does this plug include a resistor?

Yes, this model features an integrated 5kOhm resistor to help reduce electrical noise.

Can I use this in any engine?

No, you must verify compatibility using your vehicle's make, model, and engine type. Using an incompatible spark plug can cause engine damage.

What should I do if the box arrives damaged?

We provide a no-leak guarantee; contact the seller immediately to arrange for a replacement.

Troubleshooting

Engine misfire after installation

Verify that the spark plug wire or ignition coil is fully seated on the terminal and check that the plug gap is set to the correct manufacturer specification.

Plug becomes fouled quickly

Check your air-fuel ratio, as running too rich can cause soot buildup. Also, ensure you are using the correct heat range for your specific engine application.

Pros and Cons

Pros

Reliable ignition performance
Built-in 5kOhm resistor for interference protection
Proven NGK manufacturing quality
Easy to install for experienced DIYers

Cons

Sold as a single unit (ensure you buy the correct quantity)
Not suitable for all engine types; verification is required
Standard copper-core design requires more frequent replacement than iridium alternatives

Setup, Compatibility & Care

Before installation, always cross-reference the NGK-BR7EFS part number with your specific vehicle's engine requirements. Using the wrong heat range can lead to engine knocking or fouled plugs. During setup, use a spark plug gap tool to verify the gap meets your engine's specific requirements, as factory gaps may vary. When maintaining your vehicle, perform a visual inspection of the spark plug tips during every major service interval; look for signs of heavy carbon buildup, oil fouling, or melted electrodes, which can indicate underlying fuel or ignition timing issues.