NGK 5542 Spark Plug

Reliable Ignition with NGK Laser Platinum Spark Plug 5542

The NGK Laser Platinum Spark Plug 5542 is engineered to deliver consistent ignition performance for select Chrysler, Dodge, Jeep, Mercedes-Benz, and Saab vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Part Number: 5542 (PFR6T-10G)
• Center Electrode Tip Material: Platinum for enhanced durability
• Copper core in both center and ground electrodes for optimal conductivity
• Resistance: 5000 ohms to reduce electrical noise
• Standard ground electrode tip and configuration with one ground electrode
• Pre-gap size of 0.040 inches for precise spark delivery
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size: 5/8 inch for standard installation tools
• Manufacturer heat range: 6, suitable for moderate engine temperatures
• Non-removable nut electrical terminal type

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped center electrodes with copper cores to provide a balance of longevity and reliable ignition. This design helps maintain stable spark performance over time, reducing the need for frequent replacements. The 5542 model benefits from this technology, making it suitable for vehicles requiring precise ignition components.

Technical Details and Compatibility

This spark plug features a copper core center and ground electrode, which enhances thermal conductivity and electrical performance. The platinum tip on the center electrode improves wear resistance, contributing to longer service life. With a resistance of 5000 ohms, it helps minimize radio frequency interference. The flat seat and 14mm thread diameter ensure proper fitment in compatible engines. The NGK 5542 spark plug is compatible with various models including Chrysler Crossfire and Dakota, Dodge Dakota and Grand Cherokee, Jeep Grand Cherokee, Mercedes-Benz C230, C32 AMG, C55 AMG, CLK55 AMG, SLK230, SLK32 AMG, SLK55 AMG, and Saab 9-3 and 9-3X.

Common Applications and Problem Solving

• Restores consistent ignition in Chrysler, Dodge, Jeep, Mercedes-Benz, and Saab engines
• Reduces misfires caused by worn or damaged spark plugs
• Improves fuel efficiency by ensuring proper combustion
• Minimizes engine hesitation and rough idling
• Helps maintain stable engine performance under varied driving conditions

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a 5/8 inch socket wrench for proper tightening
• Check and adjust the pre-gap to 0.040 inches if necessary
• Apply anti-seize compound sparingly on threads to prevent galling
• Torque to manufacturer specifications to avoid damage

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Platinum Spark Plug 5542 undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Consult vehicle and product documentation for exact warranty terms.