Supplementary article / supplementary information 2
including fitting parts
Commercial warranty
3-year manufacturer’s warranty
Length [mm]
680 mm
Distinctive letter
92
Logistics and customs
Weight
4.24 kg
Check parts compatibilityIdentify your vehicle by plate, VIN or model.
Clearly identified references
Compatibility checked before purchase
Delivery calculated before payment
Technical specifications
Emissions standard
Euro 3 (D3)
Supplementary article / supplementary information 2
including fitting parts
Commercial warranty
3-year manufacturer’s warranty
Length [mm]
680 mm
Distinctive letter
92
Logistics and customs
Weight
4.24 kg
References
Manufacturer ref.
20457
KonexAuto ref.
KX0900021197501
IAM
20457
GTIN
3277490204578
Open this tab to browse the vehicles associated with this part.
Replacement parts
Frequently asked questions
How do I check compatibility?
Select the exact vehicle, then compare OE references and fitting criteria with the original part.
Where can I check price and availability?
The purchase panel displays this part’s price and availability. Commercial information is checked before ordering.
How can I find the collection or delivery date?
Enter the requested details under Store collection or Delivery to get an estimate for your order.
How do I request a return or exchange?
Contact KonexAuto within 14 days of delivery with your order number and the part concerned. We will help you with your request.
Returns and exchanges
14 days after delivery
You can request a return or exchange within 14 days of receiving your order. Contact us to arrange the next steps.
1Contact KonexAuto with your order number and the part reference.
2We will explain the steps for your return or exchange.
3Pack the part carefully and follow the return instructions provided.
Product description
Catalytic converter WALKER 20457
Brand : WALKER. Manufacturer part number : 20457. Category : Catalytic converter.
Specifications : Emissions standard : Euro 3 (D3) ; Supplementary article / supplementary information 2 : including fitting parts ; Commercial warranty : 3-year manufacturer’s warranty ; Length [mm] : 680 mm ; Distinctive letter : 92 ; Weight : 4.24 kg.
Google reviews
salimata konta
5/5
J’ai été très bien accueillie lors de mes visites et j’ai été très satisfaite du service. L’équipe est professionnelle, à l’écoute et très agréable. Je recommande vivement KONEXAUTO ! ⭐⭐⭐⭐⭐
(Translated by Google)
I received a very warm welcome during my visits and was very satisfied with the service. The team is professional, attentive, and very pleasant. I highly recommend KONEXAUTO! ⭐⭐⭐⭐⭐
Samir Maameri
5/5
Très bon magazine
Actif et réactif
Je recommande
(Translated by Google)
Excellent magazine. Active and responsive. I recommend it.
samir adnane
5/5
Très professionnel précis réactif proposant des pièces de qualité au meilleur prix
(Translated by Google)
Highly professional, precise, and responsive, offering quality parts at the best price.
saad ould mohamed
5/5
achat des pièces .
super gentil agréable très professionnel
(Translated by Google)
Purchase of parts.
Super nice, pleasant, very professional.
Bekri Massinissa
5/5
Très efficace et les pièces arrivent le jour même
(Translated by Google)
Very efficient and the parts arrive the same day
Claire Houtman
5/5
Une adresse à connaître
Très bon fournisseur de pièce auto, à l’écoute de ses clients.
Je recommande
(Translated by Google)
A great place to know!
Excellent auto parts supplier, very responsive to its customers.
I recommend them.
beniamin 91350
5/5
Très bon accueil, pièce commandée le matin reçu l’après-midi
(Translated by Google)
Excellent service, part ordered in the morning received in the afternoon
Matthieu Grené
5/5
Pièce reçue rapidement et conforme à ce que j'avais commandé. Je recommande !
(Translated by Google)
The part arrived quickly and exactly as ordered. I recommend it!
M.D (Mécanicien Diawara)
5/5
Service de livraison efficace merci
(Translated by Google)
Efficient delivery service, thank you.
Rayan Abdas
5/5
J’ai récemment acheté une pièce pour ma BMW E87. La commande a été super rapide et le service client très professionnel. Je recommande vivement ce magasin pour tous vos besoins.
(Translated by Google)
I recently bought a part for my BMW E87. The order was super fast and the customer service was very professional. I highly recommend this store for all your needs.
Yoyo
5/5
Super accueil. Efficace et rapide. Merci
(Translated by Google)
Excellent service. Efficient and quick. Thank you.
Wil Fred
5/5
Service de qualité et rapidité pour la réception des pièces. Commande passée à 9h, réception dès 15h le jour même.
(Translated by Google)
Excellent service and fast delivery of parts. Order placed at 9am, received by 3pm the same day.
nico wetsh didjango
5/5
Sébastien Gautier
5/5
Incroyable magasin avec des vendeurs ultras sympas et arrangeants
(Translated by Google)
Amazing store with super friendly and accommodating staff
Michel Vang
5/5
Franchement je vous recommande konexauto, c'est un peu plus chere que si vous commandé de votre coté mais le point fort qu'il faut retenir c'est que déjà il vous commande les pièces donc normalement c'est 99% que c'est la bonne pièce, les pièces sont de bonne qualité et en plus de sa, les pièces arrivent le lendemain. Merci pour votre service de qualité.
(Translated by Google)
Honestly, I recommend Konexauto. It's a bit more expensive than ordering on your own, but the main advantage is that they order the parts for you, so there's a 99% chance it's the right part. The parts are good quality, and on top of that, they arrive the next day. Thank you for your excellent service.
binta n'diaye
5/5
Parfait fermeture tardive donc parfait. Je recommande. Merci
(Translated by Google)
Perfect, late opening, so perfect. I recommend it. Thank you.
enes dagdelen
5/5
Super gentil, il m’a même aidé a monter ma plaque malgré que j’étais loin du magasin, super super super
(Translated by Google)
Super nice guy, he even helped me install my license plate even though I was far from the store, super super super
Stéphanie Touho
5/5
Très professionnel
(Translated by Google)
Very professional
Yasmine Khelifi
5/5
Excellent vendeur de pièce détachées, service rapide et produit de très bonne qualité à prix raisonnable. Je recommande vivement ce magasin pour son sérieux et son professionnalisme, je reviendrais sans hésiter !
(Translated by Google)
Excellent spare parts seller, fast service, and very good quality products at reasonable prices. I highly recommend this store for its reliability and professionalism; I will definitely be back!
Le Jaw
5/5
Les Pièces que j’ai commandées le matin à 11h reçu à 16h l’agent comptoir à l’écoute et souriant. Je recommande.
(Translated by Google)
The parts I ordered at 11am were received at 4pm. The counter agent was attentive and friendly. I recommend them.
To improve our services, we use tracking tags to analyse traffic on our platform and show you targeted advertisements. By choosing “Accept”, you agree to activate these technologies. You can adjust your choices at any time through our preference manager.
Your choice is saved for six months. You can change it at any time using “Manage my cookies” at the bottom of the page.