High‑Efficiency Spark Plug for Honda Engines

This premium ignition plug restores crisp starts, steady idle, and cleaner power delivery. A fine‑wire precious‑metal tip fires easily with less voltage, while a ribbed insulator resists flashover. Correct heat range and reach keep the tip at the right temperature, improving fuel economy and lowering emissions .

Why you need it ✅

Old plugs wear at the electrodes, widening the gap and causing weak sparks, misfires, and harder cold starts. Replacing them brings back efficient combustion, protects the catalytic converter, and reduces fuel use ⛽.

How it works ⚙️

The coil sends high voltage to the center electrode; the spark jumps the set gap to the ground strap, igniting the compressed air‑fuel mix. The metal shell transfers heat to the cylinder head, and an internal resistor limits radio noise. A crush washer seals combustion gases for stable flame kernel growth.

If the plug is bad ⚠️

Expect rough idle, slow response, higher consumption, sulfur smell, and misfire codes (P0300–P030x). Prolonged driving can overheat coils and damage the catalyst. Typical signs include a black, oily, or cracked insulator and eroded electrodes.

Pro tips

Install on a cold engine, check gap per service data, and tighten to spec. Use a dab of anti‑seize only if recommended; coil boots may benefit from dielectric grease.

Compatibility

• Jazz
• Cr-Z
• Fit
• Fit Hybrid
• Insight Exclusi
• City
• Mobilio
• Brio Amaze
• Amaze
• Honda Hr-V
• Honda Mobilio
• Brio
• Br-V