Iridium Spark Plug NGK 93560 Laser Iridium SILKGR9A7ES for Audi Porsche VW

NGK 93560 Laser Iridium SILKGR9A7ES Spark Plug for Audi Porsche VW

Dual Precious Metal Technology

The NGK Laser Iridium Premium spark plug, part number 93560 (marked SILKGR9A7ES), is a high-tech ignition system component specifically engineered for modern, high-performance engines within the VAG and Porsche groups. This model utilizes a combination of two precious metals: the center electrode features an iridium tip, while the ground electrode is equipped with a platinum pad. This design ensures maximum electrode wear resistance under extreme temperatures and high combustion chamber pressures, allowing the spark gap to remain stable throughout the entire service life of the plug.

Advantages for Direct Injection and Turbocharged Engines

Utilizing SILKGR9A7ES spark plugs promotes more complete and efficient combustion of the fuel-air mixture. The ultra-fine iridium center electrode requires lower voltage to bridge the spark gap, which facilitates easier cold engine starts and reduces the electrical load on the ignition coils. The specialized shape of the ground electrode minimizes the flame-quenching effect, accelerating the propagation of the flame front. This directly improves vehicle throttle response, idling stability, and overall fuel economy, particularly in high-load operating modes characteristic of engines ranging from 2.9 to 3.8 liters.

Design Features and Protection

The spark plug shell features a specialized anti-corrosion plating that prevents the threads from seizing in the cylinder head. The high-purity ceramic insulator provides superior dielectric strength and effectively dissipates heat. The construction includes a built-in resistor for radio frequency interference (RFI) suppression, which is critical for the correct operation of the complex onboard electronics in modern Audi, Porsche, and Bentley vehicles. The plugs are supplied with a pre-installed protective cardboard sleeve to shield the delicate electrodes from damage during transit.

Detailed Vehicle Compatibility

These spark plugs are designed for 2.9L, 3.0L, 3.8L, and 4.0L (V6/V8/B6) gasoline engines produced from May 2016 onwards:

• Audi A4 (B9) / A5 (F5) / Q5 (FY): 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

• Audi A6 (C8) / A6 Allroad (C8) / A7 (4K): 2018, 2019, 2020, 2021, 2022, 2023

• Audi A8 (D5): 2017, 2018, 2019, 2020, 2021, 2022, 2023

• Audi Q7 (4M) / Q8 (4M): 2017, 2018, 2019, 2020, 2021, 2022, 2023

• Bentley Bentayga: 2018, 2019, 2020, 2021, 2022, 2023

• Porsche 911 (991/992): 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

• Porsche Cayenne (9YA) / Panamera (971): 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023

• Porsche Macan (95B): 2018, 2019, 2020, 2021, 2022, 2023

Technical Specifications

• Brand: NGK

• Brand Registration Country: Japan

• Condition: New

• Product Group: Spark Plugs

• Purpose: Fuel-air mixture ignition in internal combustion engines

• Material: Iridium, Platinum, Ceramic, Steel

• Color: Silver, White

• Weight: 48 grams

• Thread Size: M12 x 1.25

• Thread Reach: 26.5 mm

• Hex Size: 16 mm

• Part Number (Stock No.): 93560

• Marking: SILKGR9A7ES

• Plug Type: Laser Iridium Premium

• Compatibility: Audi, Porsche, VW, Bentley with 2.9, 3.0, 3.8, 4.0 TFSI/Turbo engines

• Package Includes: Spark plug — 1 pc in individual packaging

• Features: Iridium-tipped center electrode, platinum-tipped ground electrode

• Suppression Resistor: 5 kOhm

• Country of Manufacture: Japan

• Barcode (UPC): 087295835609

• Heat Range: 9

• Seat Type: Flat (with gasket)

• Electrode Gap: 0.7 mm