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The Green Spark Plug Company£3.80Visit shop Ngk Cr8hs 7423 Spark Plug Copper Core New Ngk-Cr8hs
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The NGK Spark Plug CR8HS (7423) is designed for vehicle owners seeking reliable ignition for their petrol engines. It ensures consistent power generation through its copper core and nickel-plated electrode. A potential caveat is its specific fitment, requiring confirmation for your vehicle's compatibility.
| Model Part Number | 7423 |
|---|---|
| Brand | NGK |
The NGK CR8HS spark plug is designed for petrol (gasoline) engines.
You must consult your vehicle's owner's manual or a compatible parts finder to confirm that the NGK CR8HS (MPN 7423) is the correct part for your specific make, model, and year.
'CR' indicates a Resistor spark plug, '8' is the heat rating, 'H' denotes a specific reach and gasket type, and 'S' signifies a projected electrode.
The NGK CR8HS has a 10mm outer thread diameter.
The thread length for this spark plug is 12.7mm.
No, this spark plug is specifically designed for petrol engines and will not function in a diesel engine.
Replacement intervals vary by vehicle. Always refer to your vehicle's owner's manual for the manufacturer's recommended service schedule.
Check if the spark plug is correctly installed and gapped. Ensure it is the specified plug type for your engine and not fouled with carbon or oil.
Verify the spark plug is receiving adequate spark. Inspect the plug for damage and ensure it is properly seated and tightened.
A worn or improperly gapped spark plug can affect combustion efficiency. Ensure the plug is new or in good condition and correctly gapped.
Setup: Before installation, ensure the engine is cool. Gently thread the NGK CR8HS spark plug into the cylinder head by hand to avoid cross-threading. Use a torque wrench to tighten it to the manufacturer's recommended specification. Ensure the spark plug gap, if adjustable on your model, is set correctly.
Compatibility: This spark plug is designed for petrol engines and requires specific compatibility with your vehicle's make, model, and year. Always consult your vehicle's owner's manual or a reliable parts catalog to confirm that the NGK CR8HS (7423) is the correct replacement part. Key dimensions include a 12.7mm thread length, 10mm outer thread, and 16mm hex size.
Care: Spark plugs are maintenance items and should be inspected periodically. If removed for inspection, check for signs of wear, fouling, or damage to the electrode. Clean gently with a wire brush if necessary, and ensure the gap is correct. Replace spark plugs according to your vehicle manufacturer's recommended service intervals.
