Description
NGK AB-7 Spark Plug (Stock No. 3010)
The NGK AB-7 is a reliable, standard spark plug for engines that use large 18 mm plugs. It provides consistent ignition, smooth idle, and stable performance. Ideal for many classic, vintage, and industrial engines that specify an 18 mm thread plug.
Use it to refresh a tired ignition system, improve cold starts, and maintain clean combustion. Heat range 7 on the NGK scale suits many medium heat applications.
Always confirm fitment before ordering. Use the vehicle lookup or check the Vehicle Fitment tab.
Why choose this plug
- Stable spark for smoother running and better throttle response
- Durable nickel alloy with a copper core for good heat control
- Non-resistor design for simple, robust ignition systems
| Attribute | Value |
|---|---|
| Part number | AB-7 |
| NGK stock number | 3010 |
| Category | 686 – Spark Plug |
| GTIN | 087295130100 |
| Thread diameter | 18.0 mm |
| Thread pitch | 1.5 mm |
| Reach (thread length) | 12.7 mm (1/2 inch) |
| Hex size | 25.4 mm (1 inch) |
| Seat type | Gasket |
| Heat range | 7 (NGK scale) |
| Construction | Nickel alloy centre electrode, copper core |
| Resistor | No |
| Terminal | Solid |
| Factory gap | Set to application – adjust to OEM spec |
Compatibility guidance
This plug suits engines designed for 18 mm gasket-seat plugs with 1/2 inch reach, including some classic cars, motorcycles, agricultural and stationary engines. Use the site’s vehicle lookup to confirm, or see the Vehicle Fitment tab.
The price displayed is for a single plug, please add the desired amount to your basket.
Reviews
There are no reviews yet.