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Part #: 4253

NGK 4253 Spark Plug

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NGK Laser Platinum Spark Plug Overview

The NGK Laser Platinum Spark Plug part number 4253 is engineered for reliable ignition performance in a variety of vehicles. Designed with durable platinum and copper materials, this spark plug supports efficient combustion and consistent engine operation.

  • Platinum center electrode tip for enhanced durability
  • Copper core center and ground electrodes for optimal conductivity
  • Standard ground electrode tip and configuration
  • Non-removable nut electrical terminal type
  • Pre-gap size of .032 inches for precise spark delivery
  • Flat seat type with a 14mm thread diameter and 0.75 inch reach
  • Manufacturer heat range rating of 7
  • Hex size of 5/8 inch for installation
  • Single ground electrode design

Detailed Product Description

The NGK Laser Platinum Spark Plug 4253 features a platinum tip on the center electrode, which provides improved wear resistance compared to conventional spark plugs. Both the center and ground electrodes have copper cores, enhancing electrical conductivity and heat dissipation. The spark plug’s standard ground electrode tip and configuration ensure compatibility with many engine designs. With a pre-gap size of .032 inches and a flat seat type, this spark plug is designed to deliver consistent ignition performance. The non-removable nut electrical terminal type simplifies connection, while the 5/8 inch hex size allows for straightforward installation using common tools. The heat range of 7 makes it suitable for engines requiring moderate heat dissipation.

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK is designed to provide a balance of durability and performance. Incorporating platinum on the center electrode tip, these spark plugs offer longer service life and stable ignition compared to standard plugs. This product line is suitable for drivers seeking reliable secondary ignition components that maintain engine efficiency over time.

Applications and Common Issues Addressed

  • Replacement for worn or fouled spark plugs in compatible vehicles
  • Helps resolve misfires caused by electrode wear or poor conductivity
  • Improves cold start performance and throttle response
  • Reduces engine hesitation and rough idling
  • Supports consistent combustion in engines requiring a heat range 7 spark plug

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model using the part number 4253 or NGK part code PZFR7G-G. Ensure the spark plug gap is set to the specified .032 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or seat. The 5/8 inch hex size allows for easy access with standard spark plug sockets.

Quality Assurance

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance and durability. The Laser Platinum Spark Plug 4253 undergoes rigorous testing for heat resistance and electrical conductivity. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support long-term use.

BrandNGK
Part Number4253
Resistance5000
Ground Electrode Tip DesignStandard
Ground ConfigurationStandard
Ground Electrode Core MaterialCopper
Electrical Terminal TypeNon-removable nut
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialPlatinum
Pre-Gap Size.032
Ground Electrode Quantity1
Hex Size5/8
Insulator Height50.50
Manufacturer Heat Range7
Seat TypeFlat
Reach.75
Thread Diameter14.00
Part NumberPzfr7g-g
Stock Number4253

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This part directly replaces or is cross-referenced with the following part numbers:

4253

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.