Best current price£11.40from The Green Spark Plug Company
Shopping.co.uk recommended and popular offers
The Green Spark Plug Company£11.40Visit shop Ngk Igr7a-G 3106 Spark Plug Iridium Igr7ag New Ngk-Igr7a-G
Visit shop11 offers from £11.40 - £123.99
View price history by clicking the chart icon.
This NGK Iridium Spark Plug (3106, IGR7A-G) is designed for vehicle ignition systems, offering enhanced performance and durability for automotive enthusiasts and mechanics. Its key benefit lies in the iridium tip, promoting a hotter spark and more complete combustion for improved fuel efficiency and engine responsiveness. A potential caveat is the need for precise installation to ensure optimal performance and longevity.
| Model Part Number | 3106 |
|---|---|
| Brand | NGK |
Iridium spark plugs feature a fine-tipped iridium center electrode which allows for a more concentrated spark, leading to better ignitability, more complete combustion, improved fuel efficiency, and longer lifespan compared to standard copper or platinum plugs.
Many NGK iridium spark plugs come pre-gapped to the correct specification for a wide range of applications. However, it is always best practice to verify the recommended gap for your specific vehicle and use a proper gapping tool if adjustment is needed.
The service life of NGK Iridium spark plugs is significantly longer than conventional plugs, often rated for 60,000 to 100,000 miles or more. Always consult your vehicle manufacturer's recommendations for replacement intervals.
No, you must verify compatibility for your specific vehicle. While it's a high-performance plug, it needs to be the correct type and reach for your engine's ignition system.
This is NGK's designation. 'IGR' typically indicates an Iridium Long Reach plug, '7' denotes the heat range, 'A' refers to the thread size and reach, and 'G' often signifies a special ground electrode design.
Torque specifications vary by engine and plug size. Always refer to your vehicle's service manual for the precise torque value to avoid damage.
Ensure the spark plug is correctly gapped and torqued. Check that ignition wires or coil packs are securely connected to the spark plug.
Verify correct spark plug installation and ensure there are no other engine issues (e.g., clogged fuel injectors, air filter) contributing to poor mileage.
If the spark plug was over-torqued or cross-threaded, it may be damaged and require replacement. Always use a torque wrench and thread carefully.
While a spark plug can contribute to misfires triggering the check engine light, also check for other potential causes like faulty sensors or ignition coils.
Compatibility:
Vehicle compatibility is crucial. Always verify that the NGK Iridium Spark Plug 3106 (IGR7A-G) is listed as a direct replacement for your specific vehicle make, model, and year. Consult your vehicle's owner's manual or a reliable parts catalog. Note that alternative part numbers like 408690031 or OE numbers like TBA-3106 may cross-reference to this plug.
Installation:
Care:
Spark plugs are designed for long service life and generally require no ongoing care. However, during routine maintenance like oil changes, it's good practice to visually inspect them for signs of wear, fouling, or damage. If removing them for inspection, re-torque them properly upon reinstallation.
