Audi A4 Iridium Spark Plugs – Complete Guide, Specs, and Replacement in Nairobi

The spark plugs in your Audi A4 are essential for engine performance, efficiency, and reliability. Among the different types available, iridium spark plugs are considered the best choice due to their superior durability, high ignition efficiency, and ability to withstand extreme conditions. At Natial Drive Nairobi, we stock and supply genuine Audi A4 iridium spark plugs (2004–2019), ensuring your engine delivers the performance expected from a premium German car.

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Role of Spark Plugs in the Audi A4 Engine

Spark plugs are responsible for igniting the air-fuel mixture inside the combustion chamber. A high-quality spark plug guarantees:

• Consistent ignition for smooth acceleration

• Improved fuel efficiency with precise combustion

• Reduced emissions keeping your Audi eco-friendly

• Reliable cold starts in all weather conditions

• Enhanced engine lifespan by reducing strain on ignition components

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Why Choose Iridium Spark Plugs for Your Audi A4

Iridium spark plugs are the premium choice for Audi engines. They offer:

• High Melting Point – Iridium has a melting point above 2400°C, making it more durable than platinum or copper.

• Longer Service Life – Lasts up to 100,000 km, compared to 40,000–50,000 km for standard plugs.

• Stronger Spark – Ensures reliable ignition even under high compression.

• Better Fuel Efficiency – Optimized combustion improves mileage.

• Reduced Misfires – Minimizes hesitation and rough idling.

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Audi A4 Iridium Spark Plugs Compatibility (2004–2019)

We provide iridium  plugs for the following Audi A4 engines:

• Audi A4 B7 (2004–2008) – 1.6, 1.8T, 2.0TFSI, 2.0 TDI (petrol variants only)

• Audi A4 B8 (2008–2015) – 1.8 TFSI, 2.0 TFSI, 3.2 FSI, 3.0 TFSI

• Audi A4 B9 (2016–2019) – 1.4 TFSI, 2.0 TFSI, 3.0 TFSI

Iridium spark plugs are especially recommended for turbocharged TFSI engines, where performance and reliability are critical.

Symptoms of Worn or Failing Spark Plugs in Audi A4

• Engine misfires during acceleration

• Rough idling or vibration

• Reduced fuel economy

• Hard starting in cold mornings

• Sluggish performance and delayed throttle response

• Check Engine Light (CEL) triggered by misfire codes

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Benefits of Upgrading to Iridium Spark Plugs

1. Extended lifespan – fewer replacements needed

2. Improved engine efficiency and smooth operation

3. Better fuel consumption – saving on petrol costs

4. Reduced carbon deposits on electrodes

5. Enhanced reliability in both city and highway driving