Iridium spark plug 1 pc NGK 94833 PLFER7A8EG

Iridium Spark Plug 1 pc NGK 94833 PLFER7A8EG

A high-tech premium component developed by a leading Japanese manufacturer for modern gasoline internal combustion engines. The original OEM part is supplied individually and is intended for spot or complete replacement of worn-out elements of the car's ignition system. The product is designed to operate under high temperature conditions, increased pressure inside the cylinders, and intense mechanical loads. As clearly demonstrated by the image image_c172e2.jpg, the spark plug is equipped with a white multi-ribbed high-density ceramic insulator and a stamped metal threaded body with special galvanic surface treatment. Installing the original component allows for complete restoration of spark stability, improves vehicle responsiveness, and protects the electrical system from critical overloads.

Design Features and Potential of Noble Metals

The reliability of this model's architecture is based on the use of innovative wear-resistant alloys in forming the spark discharge working area. The central electrode is equipped with a thin tip, minimizing the voltage required to reliably bridge the electrode gap. The side grounding electrode is equipped with a platinum pad, which completely prevents premature electro-erosion wear of the element under constant electrical micro-discharges.

The integration of high-tech alloys into the spark plug architecture provides key technical changes:

• Uniform and centered distribution of the spark beam, ensuring layered and maximally complete combustion of the working mixture in the cylinders.

• Reduced electrical load on individual ignition coils due to decreased power required for discharge generation.

• Stable fuel ignition under lean mixture conditions or during abrupt throttle position changes.

The thin profile of the working elements minimizes the flame quenching effect, promoting rapid and unobstructed formation of the initial combustion front.

Temperature Self-Cleaning and Electrical Insulation of the Body

The multi-ribbed geometry of the ceramic insulator's outer surface effectively lengthens the current path, preventing dangerous surface breakdown and energy leakage to the vehicle's mass. The internal connection of the ceramic and metal parts is completely sealed with a special sealing powder compound, ensuring absolute gas impermeability and retention of working pressure in the combustion chamber.

The implemented engineering solutions guarantee protection of engine elements under harsh conditions:

• The built-in monolithic resistor effectively suppresses high-frequency radio interference, protecting sensors and intelligent onboard computers.

• The internal copper core provides high-speed heat dissipation, preventing destructive pre-ignition.

• The three-component anti-corrosion coating of the thread completely protects the metal from thermal diffusion and sticking to cylinder head elements.

Rapid achievement of optimal operating temperature prevents the formation of conductive carbon deposits and soot during frequent city trips, maintaining exhaust environmental characteristics at factory standards.

Table of Exact Applicability by Brand, Model, and Engine Type

The installation of the new spark generation system component should be carried out strictly on a cooled engine using torque equipment to precisely comply with the standard tightening torque of the threaded connection.

Product Specifications

• Brand: NGK

• Brand Registration Country: Japan

• Country of Manufacture: Japan

• Material: iridium, platinum, metal, ceramic

• Size: thread diameter 12 mm, thread length 26.5 mm, hex size 14 mm

• Color: white, silver

• Weight: 43 g

• Condition: new

• Volume: 1 pc

• Product Group: automotive parts, ignition system, spark plugs

• Purpose: ignition of the air-fuel mixture in internal combustion engines

• Compatibility: engines of Audi A4, A5, A6, Q5, Q7, Porsche Macan with a 2.0L capacity from model years 2016-2022

• Features: laser-welded electrodes, built-in resistor for radio interference protection, copper core for improved heat dissipation

• Factory Part Number (MPN): PLFER7A8EG

• Factory Stock Number: 94833

• UPC: 087295848333

• Heat Range: 7

• Thread Pitch: 1.25 mm

• Seating Type: flat with sealing washer

• Terminal Construction: fixed rigid lead

• Package Contents: spark plug in individual cardboard tube, protective transport cover on threaded part