Shop Now with Confidence
Order Today - We Ship Worldwide
Secure Checkout
Search by OEM Code
Shop Now with Confidence
Order Today - We Ship Worldwide
Secure Checkout
Search by OEM Code
SKU: COQO4RU OEM:4B1820021
Used AUDI A6 C5 ventilator, OEM part number 4B1820021B. This part is suitable for passenger cars and is in a replacement packaging. The product weight is 5 kg. It is an original part with the vehicle manufacturer's logo (OE). A VAT invoice will be issued.
Yes. All AutoRiven parts are used original OEM parts. We do not sell aftermarket parts or replicas.
Compatibility should be verified using the OEM reference number. You can also contact us before purchasing with your VIN, make, model, engine, and year, and our team will assist you.
AutoRiven sells used OEM automotive parts only.
Product information is based on visual inspection, available technical data, photos, and supplier information at the time of listing. Due to the nature of used automotive parts, not all components can be fully functionally tested before shipment.
Yes. All parts include a 30-day commercial warranty from the date of delivery, covering functional defects only. This commercial warranty does not affect or replace the consumer’s statutory rights under EU conformity law.
Estimated delivery time is 2–10 business days depending on destination. Express shipping may be available on request and typically takes 24–72 hours.
We accept secure payments via Stripe Checkout, including credit and debit cards, PayPal, Apple Pay, Google Pay, Klarna, Revolut Pay, and other local methods depending on your country.
Returns are accepted only if the item is defective or damaged, an incorrect item was supplied, or the product does not match the description. Used automotive parts are vehicle-specific and individually identified items and are excluded from the 14-day right of withdrawal under EU Directive 2011/83/EU.
Some electronic components may require coding or programming by a qualified technician after installation.
Yes, we ship internationally. Any customs duties, import taxes, or local charges required by the destination country are the customer’s responsibility.
If you can’t find a part on the website, contact us with the OEM code or the vehicle VIN. We’ll check availability and reply before you place an order.
Find Your PartYour order is in good hands. AutoRiven shipments are handled via trusted international couriers such as FedEx, UPS, DHL, DPD, GLS, Raben, Hellmann, Geodis, and AmberExpress. Every shipment is trackable until delivery.
Browse additional OEM parts from the same vehicle brand, offering similar fit and compatibility for your repair needs.
Subscribe to our newsletter and be the first to know when new used OEM car parts are added to our catalog. Get exclusive offers, stock updates, and useful automotive tips — no spam, only valuable info for car owners and professionals.
Your cart is empty. Ready to pick some quality used parts?
Browse PartsYour cart is ready, finish your order!
You haven’t saved anything yet. Start exploring quality used parts.
Browse PartsSave your top picks for later comparison
