NGK SPARK PLUG CR9EK 4548 NG4548
NGK SPARK PLUG CR9EK 4548. Features a copper core for superior heat dissipation and dual ground electrodes for enhanced ignition capabilities. It has a heat range of 9, 10mm thread size, and is a resistor type plug. Specifications include a 0.028 inch gap, gasket seat, fixed terminal, 16mm hex size, and non-projected tip. Electrode material is nickel. This spark plug is sold individually and weighs 0.06 lbs. Alternate/OEM part numbers are 4548 and CR9EK.
- SKU
- 37-CR9EK
- Brand
- NGK
- Availability
- In Stock (33)
FULL DESCRIPTION
NGK Special Dual Electrode Spark Plug - CR9EK
The NGK CR9EK Spark Plug is engineered for superior ignition performance and extended durability. Featuring a robust copper core and innovative dual ground electrodes, this spark plug is designed to meet the demands of high-performance engines. Its advanced construction ensures efficient heat dissipation, preventing overheating and maintaining optimal operating temperatures for reliable spark delivery under various conditions.
Key Features:
- Copper Core: Facilitates excellent heat dissipation, preventing overheating and extending the plug's lifespan.
- Dual Electrodes: Provides multiple spark paths, reducing voltage requirements and enhancing ignition capability for improved engine response and longer plug life.
- High Conduction: The copper core and long nose insulator work together to improve heat distribution and minimize the risk of pre-ignition in demanding engine applications.
- Resistor Type: Designed as a resistor plug for compatibility with modern ignition systems.
- Durable Construction: Dual electrodes help distribute wear evenly, contributing to increased longevity and consistent performance.
Specifications:
- Heat Range: 9
- Thread Size: 10 mm
- Electrode Material: Nickel (Standard)
- Seal Type: Gasket Seat
- Terminal Type: Fixed Terminal
- Hex Size: 16mm (5/8 inches)
- Projection Type: Non-Projected
- Gap: 0.028 inches (0.7mm)
- Resistor: Yes
- Tip Configuration: Dual Ground Electrodes
- Sold As: Each
- Weight: 0.06 lbs
Benefits:
- Improved Ignition Stability: Enhanced spark delivery due to dual ground electrodes minimizes misfires and ensures smoother engine operation.
- Optimal Heat Management: Efficient heat dissipation prevents plug fouling and premature failure.
- Enhanced Engine Performance: Contributes to maximum efficiency, better fuel economy, and responsive acceleration.
- Extended Lifespan: Even wear distribution across dual electrodes promotes longer service life.


