Audi 100 Catalytic Converter C4 (1990-1994)

The catalytic converter is a vital part of the exhaust system for the Audi 100 C4 sedan and avant models produced between 1990 and 1994. It reduces harmful emissions from both petrol and diesel engines, helping to meet environmental regulations and protect the planet by minimizing air pollution.

Compatible engines include various petrol and diesel versions such as:

• Petrol engines: 2.0 (4A2), 2.3E, 2.4, 2.5, 2.6, 2.8, S4 2.2, S4 4.2
• Diesel engines: 2.4 D, 2.5 TDI

It's essential to check the specific engine displacement, power rating, and Euro emission standard to select the correct catalytic converter for your vehicle model and engine code.

Typical technical specifications include:

• Length: Between 850 mm and 1350 mm depending on model
• Weight: Ranges from about 2.6 kg to 7.17 kg
• Emission standards: Generally Euro 1 and Euro 2 compliant

These values vary by engine and specific product model, so always verify compatibility before purchase.

It's recommended to choose well-known and trusted brands known for good quality and compliance with legal emission standards for Audi vehicles. When purchasing, consider:

• Quality certifications and guarantees
• Presence of mounting hardware when included
• Customer reviews and best-seller status

Always purchase from reputable companies that provide detailed product information and support to ensure original or OEM quality catalytic converters.

Prices typically range from around €125 to over €700. The variation depends on:

• Engine type and displacement
• Brand and product specifications
• Included mounting and accessory parts

Consider potential free shipping offers on orders above set amounts and check for warranty availability to ensure the best value for your purchase.

Key tips include:

• Verify engine-specific compatibility, including matching Euro emission norms
• Choose reliable, legally compliant catalytic converter brands
• Regularly inspect for rust and exhaust leaks to maintain performance
• Replace related sensors, such as Lambda sensors, when fitting a new catalytic converter
• Ensure proper installation by a professional qualified in exhaust system replacements

Proper care and maintenance extend the operational life and ensure optimal emissions control of your exhaust system.

Krosfou guarantees their catalytic converters with:

• A 3-year warranty limited to use under 100,000 kilometers
• Free returns within 30 days for unused products in original packaging in most European countries

Warranty conditions require professional installation, replacement of certain parts (sensors, gaskets), and proper vehicle usage. The warranty covers repair only and excludes vehicle disassembly or immobilization costs.

Additional support is available through:

• Accessing technical installation guides from the supplier or manufacturer
• Contacting technical support for compatibility checks via VIN or engine code
• Receiving professional advice on installation and maintenance
• Using online catalogs with detailed product specifications and data sheets

For professional customers, dedicated PRO accounts may offer advanced services including bulk discounts, API access to catalogs, and direct factory support.