Opel Astra Catalytic Converter

A catalytic converter transforms harmful exhaust gases into less polluting compounds using a chemical process called catalysis, which involves precious metals like platinum, palladium, or rhodium on a ceramic honeycomb structure. It operates effectively only at temperatures above 400°C, which may cause reduced efficiency on cold engines or short trips.

Petrol engines use a 3-way catalytic converter which converts:

• Nitrogen oxides (NOₓ) into nitrogen (N₂) and oxygen (O₂)
• Carbon monoxide (CO) into carbon dioxide (CO₂)
• Unburnt hydrocarbons into water (H₂O) and carbon dioxide (CO₂)

Diesel engines commonly use a 2-way catalytic converter paired with a Diesel Particulate Filter (DPF) to treat:

• Carbon monoxide (CO) to carbon dioxide (CO₂)
• Unburnt hydrocarbons to water (H₂O) and carbon dioxide (CO₂)
• Nitrogen oxides (NOₓ) are treated separately by DPF or SCR systems

Key models include:

• Opel Astra K 1.6 Turbo (B16SHT, 200 hp, 10/2015-06/2018) with Euro 6 standard and OE numbers 8555380, 55569237, among others.
• Opel Astra J 1.7 CDTI diesel model using stainless steel catalytic converters for exhaust issues.

Many DIY replacement tutorials exist for various Astra models covering petrol and diesel versions with detailed guides and videos.

Symptoms include engine warning light activation, loss of power or limp mode, engine hesitation, rotten egg smell (sulfur), increased fuel consumption, and clogging.

Modern vehicles may have a pre-catalytic converter near the exhaust manifold for quicker filtration.

Replacement involves following illustrated guides to remove the catalytic converter, usually located between the exhaust manifold and the silencer, requiring standard tools and vehicle lifting equipment.

Cleaning is possible using professional products for fouled converters, primarily when contaminated with oil.

Legal regulations prohibit removal of the catalytic converter, with penalties applied if violated to comply with anti-pollution norms.

Krosfou offers brand-new stainless steel catalytic converters, certified with E-mark (ECE R103 homologation), ensuring compliance with Euro standards, high durability, and performance. They come with installation kits, digital guides, and a 24-month warranty. Manufacturing is 100% European using advanced technology and quality materials.

• Premium quality INOX 409 stainless steel
• High-performance ceramic monoliths with rare metal coatings
• Fast production and shipping, including rare parts
• Free delivery on orders over certain thresholds, express options available

Delivery times vary based on location and stock availability:

• Europe standard delivery: 1 to 6 working days, free for orders over €157.50 excluding VAT
• Express delivery: 24 to 48 hours, carrier dependent
• International delivery: standard 8 to 15 working days, express 2 to 4 days

Preparation and shipping for in-stock items occur the same working day if ordered before noon, with out-of-stock items manufactured in 2 days and shipped express.

Free returns within 30 days apply for unused, original packaging products within France and Europe. A 3-year warranty covers use up to 100,000 km. Warranty requires professional installation and compliance with usage conditions.

Professionals such as mechanics, resellers, fleet managers, and used vehicle traders can create a PRO account to enjoy:

• Discounts up to 40% depending on product and volume
• Access to full catalogs with detailed references
• Free shipping and free returns within 30 days on unused items
• Loyalty points redeemable for future purchases
• Buy-back programs for used DPF and catalytic converters
• Direct factory technical support and expedited service

Accounts are validated quickly, enabling access to exclusive pricing and benefits tailored for automotive professionals.