Spark plug NGK ZFR6K-11

NGK ZFR6K-11 Spark Plug – Honda K20 / K24 (Factory Gap 1.1 mm)

NGK ZFR6K-11 is a proven choice for Honda K-series petrol engines – especially popular setups like K20A and K24A. If you’re searching for Honda K24 spark plugs or K20 spark plugs, this is the exact plug type commonly used as an OEM-equivalent replacement. The “-11” version comes with a factory gap of 1.1 mm, which matches many K-series applications.

OEM reference numbers (Honda)

• 9807B-5617P
• 12290-PNE-003
• 12290-PNL-E01

Fits Honda models (K-series engines)

• Accord 2003–2007 – K20A6
• Civic 2001–2005 – K20A3
• CR-V 2001–2006 – K20A4, K24A1
• CR-V 2006–2012 – K24Z1
• Stream 2000–2006 – K20A1
• FR-V 2004–2009 – K20A9

Tip: always confirm engine code before ordering (especially with swaps). If you’re unsure, you can send your VIN/engine code and match the correct plug.

Why this plug (real-world benefits)

• Stable ignition and smooth idle on K20/K24 engines
• Good resistance to deposits and high operating temperatures
• OEM-equivalent spec for daily driving and stock setups
• Great “baseline” plug for diagnosing misfires (simple, consistent, repeatable)

FAQ – NGK ZFR6K-11 spark plug

What is the spark plug gap for NGK ZFR6K-11?
The factory gap is 1.1 mm (that’s what “-11” stands for). It’s still good practice to visually check the gap before installation.

Is NGK ZFR6K-11 an OEM replacement for Honda K20 / K24?
Yes – it’s widely used as an OEM-equivalent spark plug for multiple Honda K-series applications and matches the listed Honda reference numbers.

How often should I replace these spark plugs?
Follow your Honda service schedule. In real-world use, replacement intervals often fall around 30,000–50,000 km, depending on driving conditions and fuel quality.

Compatible engine codes

K20A1, K20A3, K20A4, K20A6, K20A9, K24A1, K24Z1

If your query was specifically “k24 spark plug gap” or “honda k24 spark plugs”, this listing covers exactly that: NGK ZFR6K-11 with a 1.1 mm factory gap for popular Honda K-series engines.