NGK 3573 Spark Plug

Reliable Ignition with NGK Laser Platinum Spark Plug 3573

The NGK Laser Platinum Spark Plug 3573 is engineered to deliver consistent ignition performance for a range of vehicles including Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Part Number: 3573 (PGR5A-11)
• Center Electrode Tip Material: Platinum for enhanced durability
• Center Electrode Core Material: Copper for optimal conductivity
• Ground Electrode Core Material: Nickel with standard tip design
• Resistance: 5000 ohms to reduce electrical interference
• Pre-Gap Size: 0.044 inches for precise spark delivery
• Thread Diameter: 14.00 mm with 0.75 inch reach
• Hex Size: 13/16 inch for standard installation tools
• Seat Type: Flat for secure fitment
• Electrical Terminal Type: Non-removable nut
• Manufacturer Heat Range: 5, suitable for moderate engine temperatures

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped electrodes with copper cores to provide a balance of durability and efficient electrical conductivity. This design helps maintain stable ignition over extended service intervals, making it suitable for vehicles requiring reliable secondary ignition components. The 3573 model incorporates these features to meet the demands of various Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth engines.

Detailed Product Description

The NGK Laser Platinum Spark Plug 3573 features a platinum center electrode tip that resists wear and erosion, extending the service life compared to conventional spark plugs. The copper core center electrode enhances electrical conductivity, ensuring consistent spark energy. The single ground electrode made of nickel with a standard tip design supports stable spark formation. With a resistance rating of 5000 ohms, this spark plug minimizes radio frequency interference, protecting vehicle electronics. The flat seat and 14 mm thread diameter with a 0.75 inch reach ensure proper fitment in compatible engines. The pre-gap size of 0.044 inches is factory set to optimize ignition performance.

Compatible Vehicles and Applications

• Chrysler models such as 3000GT, LeBaron, New Yorker, and Town & Country
• Dodge vehicles including Caravan, Challenger, Daytona, Grand Caravan, and Ram 50
• Hyundai Sonata and related models
• Mitsubishi Galant, Mirage, Montero, and Stealth
• Plymouth Acclaim, Aries, Reliant, and Sundance

Common Issues Addressed by NGK Laser Platinum Spark Plug 3573

• Engine misfires due to worn or fouled spark plugs
• Reduced fuel efficiency from inconsistent ignition
• Difficulty starting engines in compatible Chrysler, Dodge, Hyundai, Mitsubishi, and Plymouth vehicles
• Increased emissions caused by incomplete combustion
• Interference with vehicle electronics from spark plug resistance issues

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.044 inches before installation if adjustment is necessary
• Use a 13/16 inch socket wrench for proper torque application
• Apply anti-seize compound sparingly on threads to prevent galling
• Verify flat seat compatibility with the engine cylinder head
• Follow manufacturer torque specifications to avoid damage

Quality Assurance and Warranty

NGK spark plugs, including the Laser Platinum Spark Plug 3573, are manufactured to meet strict quality standards for durability and performance. The use of platinum and copper materials ensures long service life and consistent ignition. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.