Iridium Spark Plug NGK 93560 Laser Iridium SILKGR9A7ES for Audi/Porsche/Volkswagen

NGK 93560 Laser Iridium SILKGR9A7ES Spark Plug for Audi/Porsche/Volkswagen

High-Tech Solution for VAG Engines

The NGK Laser Iridium spark plug, model SILKGR9A7ES (Stock No. 93560), is a premium ignition system component specifically engineered for the modern high-performance engines of the VAG group and Porsche. The defining feature of the Laser Iridium series is the strategic combination of two precious metals. The center electrode features an ultra-fine iridium tip attached via laser welding, while the ground (side) electrode is equipped with a platinum chip. This construction ensures exceptional wear resistance and stable spark generation under the extreme operating conditions found in turbocharged, direct-injection engines.

Advantages of High Ignitability Technology

The High Ignitability technology implemented in this model allows for maximum combustion efficiency of the fuel-air mixture. The ultra-fine diameter of the center electrode reduces the required ignition voltage, facilitating easier cold starts and lowering the load on the ignition coils. The platinum insert on the ground electrode minimizes electrical erosion, maintaining a consistent spark gap throughout the entire service life of the plug. This contributes to smooth idling, improved acceleration dynamics, and optimized fuel consumption.

Reliability and Component Protection

The plug body features a special trivalent metal plating that provides superior anti-corrosion properties and prevents the threads from seizing in the cylinder head. A high-grade ceramic insulator effectively dissipates heat and prevents electrical flashover. The design includes an integrated resistor to suppress radio frequency interference (RFI), which is critical for the correct operation of on-board electronics and sensors in modern vehicles.

Vehicle Compatibility

The SILKGR9A7ES spark plug is the original equipment solution for a wide range of premium vehicles. Below is a detailed compatibility table by make and model:

Technical Specifications

• Brand: NGK

• Country of Brand Registration: Japan

• Material: iridium, platinum, ceramic, steel, copper

• Size: Thread M12 x 1.25, thread reach 26.5 mm, hex size 16 mm

• Color: silver, white

• Weight: 43 grams

• Condition: new

• Product Group: ignition system

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

• Compatibility: Audi, Porsche, VW, Bentley with 2.9, 3.0, 4.0 TFSI/Turbo engines

• Features: iridium center electrode, platinum ground electrode, laser welding, interference suppression resistor

• Stock Number: 93560

• Marking: SILKGR9A7ES

• Electrode Gap: 0.7 mm

• Resistor Value: 5 kOhm

• Heat Range: 9

• Seat Type: flat gasket

• Thread Pitch: 1.25 mm

• Quantity per Package: 1 pc.

• Terminal Type: solid SAE contact

• Electrode Shape: tapered for better flame front propagation