NGK 7373 Spark Plug

Reliable Ignition with NGK V-Power Spark Plug 7373

The NGK V-Power Spark Plug 7373 is engineered to deliver consistent ignition performance for select Ford, Mercedes-Benz, and Mercury vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Center electrode core made of copper with a nickel tip for durability
• Single ground electrode with nickel core and standard tip design
• Pre-gap size of 0.040 inches for precise spark delivery
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Non-removable nut electrical terminal type for secure connection
• Hex size of 5/8 inch for standard installation tools
• Manufacturer heat range rating of 5 suitable for moderate engine temperatures
• Insulator height of 50.50 mm for proper fitment

About the NGK V-Power Spark Plug Line

The V-Power Spark Plug line by NGK focuses on delivering reliable secondary ignition components that meet OEM specifications. This product line emphasizes consistent electrical resistance and durable electrode materials, such as copper and nickel, to maintain stable ignition and engine performance over time. The 7373 part number is a representative model within this line, designed to fit specific vehicle applications requiring these technical attributes.

Technical Details and Compatibility

The NGK V-Power Spark Plug 7373 features a copper core center electrode with a nickel tip, providing a balance of conductivity and wear resistance. The single ground electrode with a nickel core and standard tip design ensures stable spark generation. With a pre-gap size of 0.040 inches and a flat seat, this spark plug is engineered for precise ignition timing and secure seating in the combustion chamber. Its 14mm thread diameter and 0.75 inch reach make it compatible with select Ford Escort, Mercury Lynx, LN7, and Mercedes-Benz SLK230 models.

Common Applications and Problem Solving

• Restores consistent ignition in Ford Escort and Mercury Lynx engines
• Addresses misfires and rough idling in Mercedes-Benz SLK230
• Improves fuel efficiency by ensuring proper spark delivery
• Reduces engine hesitation during acceleration
• Helps maintain stable combustion in moderate heat range engines

Installation Notes and Tips

When installing the NGK V-Power Spark Plug 7373, ensure the spark plug gap is set to the specified 0.040 inches if adjustment is necessary. Use a 5/8 inch socket for proper torque application and avoid over-tightening to prevent damage to the flat seat. The non-removable nut terminal requires compatible ignition wires or connectors. Always verify compatibility with your vehicle’s make and model before installation.

Quality Assurance and Warranty

NGK spark plugs, including the V-Power Spark Plug 7373, are manufactured to meet strict quality standards for ignition components. The use of copper and nickel materials ensures durability and consistent performance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford, Mercedes-Benz, and Mercury vehicles.