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LucienOpen the app

Car parts

Find your car part and compare prices across shops

The same part can be available at very different prices, and a similar-looking item may not fit your car. Give Lucien the exact part reference and vehicle details. It can call several car parts shops, ask consistent questions and help you find the cheapest matching option among the quotes collected.

Updated 24 September 2026.

Try for FreeHow the assistant works

Example request

“Call car parts shops within 15 km of Lille for a new alternator with this exact manufacturer reference. Ask whether it fits my vehicle, is available for pickup today, and what the total price is including tax and any core deposit. Compare prices; do not buy or reserve anything yet.”

When this works well

  • Finding a specific part in local stock
  • Comparing total prices for the same specification
  • Checking collection times, warranty and return conditions

What to decide first

  • The exact part number and vehicle make, model, year and engine
  • Whether new, refurbished, original or aftermarket parts are acceptable
  • Pickup area, deadline and questions about deposits, delivery or warranty

How the call works

  1. 1

    Pin down the part

    Start with the manufacturer reference where possible. Tell Lucien which alternatives are permitted so it can distinguish matching quotes from substitutions.

  2. 2

    Call the shops

    Lucien asks each shop to confirm the reference, stated fitment, stock, collection time and total price. It also checks any core-return deposit or delivery fee you request.

  3. 3

    Choose a matching offer

    Review the lowest quoted total alongside availability and conditions. Confirm fitment with the seller or your mechanic before purchasing.

What you get back

  • The part reference and compatibility stated by each shop
  • Like-for-like quotes, including requested fees and deposits
  • Availability, collection timing, and the recordings and transcripts behind the comparison

Limits to know

  • The cheapest option means the lowest matching quote among shops successfully reached, not every seller in the market.
  • Stock and prices can change. A telephone compatibility statement does not replace checking the part before fitting it.

Questions about this use case

What if I do not know the part number?

Provide the vehicle details and describe the part. A shop may need more information to identify it; have a seller or mechanic confirm the exact reference before comparing or ordering.

Will Lucien buy the part?

A comparison request collects information. Specify separately if you want a reservation requested, and complete any payment yourself when required.