Spark Plug for 2000-2006 Audi A4 & More - Bosch 7426

Bosch 7426 spark plug for the 2000-2006 Audi A4 4-cylinder 1.8L and other vehicles ignites the air-fuel mixture in the cylinder. This Bosch spark plug meets Original Equipment specifications for double platinum spark plugs.

• Double Platinum design reduces gap erosion and adds durability and performance life
• Platinum center firing pin and laser welded platinum ground inlay for long service life
• Fine wire design requires up to 24% less voltage to ignite
• 360 degree continuous laser welding increases durability for longer life
• Copper core gives a broader heat range to resist pre-ignition and fouling

Quick facts

• Part: Bosch 7426 spark plug
• Fits: 2000-2006 Audi A4 4-cylinder 1.8L and other vehicles
• Condition: New

A worn plug can show up as hard starting, a rough idle or a misfire. Before you replace the plugs, rule out the ignition coils, plug wires and fuel delivery, which can produce similar trouble.

Fits

Alongside the 2000-2006 Audi A4 4-cylinder 1.8L, this plug fits the 2000-2005 Volkswagen Jetta 4-cylinder 1.8L, and it is also a VW Passat spark plug for the 2000-2005 4-cylinder 1.8L. Driving a different car? Look up your own year and engine under the "Vehicles it fits" section. This listing is one plug, and the engine takes one per cylinder, so a 4-cylinder engine takes four.

Specifications

• Electrodes: platinum center firing pin, laser welded platinum inlay ground electrode
• Design: OE Fine Wire
• Insulator type: Non-Projected
• Resistor: Yes
• Spark plug type: 4-Cycle
• Threads: nickel plated
• Gap: pre-gapped
• Package quantity: 1
• Condition: New
• Warranty: Bosch 5 year customer satisfaction guarantee and Bosch 1 year Technician Warranty

In the box

One spark plug.

Installation notes

• Bosch plugs come pre-gapped from the factory, so no gap adjustment is needed.
• The nickel plated threads mean no anti-seize is required.