NGK ZKR7A-10 Spark Plug – Stock No. 1691
The NGK ZKR7A-10 is a quality resistor spark plug designed for stable ignition and clean combustion. It helps cold starts, smooth idle, and reliable performance under load. A heat range of 7 suits many performance-focused or higher-revving applications where better heat control is useful.
Use it as a maintenance upgrade or when refreshing ignition components to keep power delivery consistent and emissions in check. Always confirm fitment for your engine before ordering.
| Specification | Value |
|---|---|
| Part Number | ZKR7A-10 |
| NGK Stock Number | 1691 |
| GTIN | 087295116913 |
| Category | 686 – Spark Plug |
| Type | Resistor (R) |
| Heat Range | 7 (NGK scale) |
| Factory Gap | 1.0 mm (-10 suffix) |
| Core/Tip | Copper core with nickel alloy electrode |
- Provides a consistent spark for better throttle response and smoother running.
- Resists fouling and misfire under everyday and spirited driving.
- Heat range 7 helps manage higher temperatures in demanding use.
Fitment: Use the vehicle lookup on our site or check the Vehicle Fitment tab to confirm compatibility with your engine. Always match heat range, gap, and plug design to manufacturer specifications.
The price displayed is for a single plug, please add the desired amount to your basket.
Additional Information
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |


