The NGK Spark Plugs DP9EA-9 Spark Plug is engineered for dependable ignition, efficient combustion, and long-lasting performance in compatible gasoline engines. This standard-size spark plug features NGK’s proven construction and is designed to deliver consistent spark energy under demanding operating conditions. The model is DP9EA-9, with manufacturer part number 6629 and vendor part number 6629.
Trivalent metal plating provides enhanced resistance to corrosion and helps reduce seizing during installation and removal. The pure alumina silicate ceramic insulator offers high strength and improved heat transfer, helping maintain reliable operation across a wide range of engine temperatures. A copper core supports faster heat removal, while triple seals help prevent combustion-gas leakage and protect the plug’s internal components. Corrugated insulator ribs also help prevent flashover for stable ignition performance.
Feature: The NGK Spark Plugs DP9EA-9 is intended as a direct-fit replacement for applications specified for this plug model and heat range. Always confirm vehicle, engine, thread, reach, and heat-range compatibility before installation. Proper fitment helps support dependable starts, smooth engine operation, and consistent performance. Install and gap the spark plug according to the original equipment manufacturer’s service specifications.
Features:
- Trivalent metal plating helps resist corrosion and spark plug seizing
- Pure alumina silicate ceramic insulator provides strength and improved heat transfer
- Triple seals help prevent leakage around the plug’s internal components
- Corrugated ribs help prevent flashover for reliable ignition
- Copper core promotes efficient heat removal
- Brand: NGK Spark Plugs
- Model: DP9EA-9
- Manufacturer part number: 6629
- Vendor part number: 6629
- Fitment: Compatible with applications specified for the NGK DP9EA-9 spark plug