NGK Spark Plug 6840

Compatible with AUDI A6 C6 (4F2) , AUDI A4 B7 (8EC) , AUDI A4 B7 Avant (8ED) Show more info
NGK spark plug 6840 ensures reliable ignition for optimal engine performance. Designed for durability and consistent spark delivery.
13.26 EUR
inc. VAT 21%
In stock 266
Delivery 1 day (13.05.2026)
PN 6840
Make NGK
EAN 087295168400

The NGK 6840 spark plug is engineered to deliver consistent and powerful sparks, crucial for efficient combustion and engine power. Crafted with high-quality materials, this spark plug is built to withstand the demanding conditions within the engine, offering longevity and dependable operation. Properly functioning spark plugs are essential for smooth idling, responsive acceleration, and overall fuel economy. The NGK 6840 is designed to meet these requirements, providing a reliable ignition source for your vehicle. Regular replacement of spark plugs, as recommended by your vehicle manufacturer, can help maintain engine health and prevent misfires or performance issues.

  • OE-quality spark plug from NGK
  • Ensures reliable ignition and combustion
  • Durable construction for long service life
  • Designed for consistent spark delivery
  • Helps maintain engine performance and fuel efficiency
  • Direct fit for compatible applications
Wrench size
16 mm
Thread size
M14 x 1,25
Thread length [mm]
19,0
Ignition spark plug
Platinum central electrode
Ignition spark plug
3 mass electrodes
Ignition spark plug
with fault protection, 1 kOhm
Ignition spark plug
with a flat sealing surface
Gap between electrodes [mm]
+35
Ignition spark plug
stationary SAE joint
  • AUDI
    • A6 C6 (4F2)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
    • A4 B7 (8EC)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
      • RS4 quattro (309kW/420PS)
    • A4 B7 Avant (8ED)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
    • A6 C6 Avant (4F5)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
    • A8 D3 (4E2, 4E8)
      • 3.2 FSI (191kW/260PS)
      • 3.2 FSI quattro (191kW/260PS)
    • A4 B7 Kabriolets (8HE)
      • 3.2 FSI (188kW/255PS)
      • 3.2 FSI quattro (188kW/255PS)
    • A6 Allroad C6 (4FH)
      • 3.2 FSI quattro (188kW/255PS)
SKODA
LAMBORGHINI
BENTLEY
0 Updated