Mastering ASIN Merges on Amazon: A Complete Seller Guide

If you’re selling on Amazon, you know how crucial it is to have clean and optimized product listings. One of the most overlooked, yet impactful, strategies to improve your catalog performance is the ability to merge ASINs Amazon. Multiple ASIN listings may be a result of duplicate, accidental variations, or historic catalogue errors, though they can also be created on purpose as a result of a split traffic and reviews dilution.

In this guide, we will guide you on why and how to conduct an Amazon ASIN combine, the advantages of doing so correctly, and how Seller Pickle can help you get things done smoothly and follow Amazon policies.

What Does It Mean to Merge ASINs on Amazon?

Amazon Standard Identification Number is known as ASIN. Each of the products on Amazon has one. In some situations, however, it happens that, in the same product, several ASINs are generated either through seller mistakes, branding variation, or duplication of the listing. This may cause loss of sales and ranking.

One remedy to this is often asked of sellers by the request to merge ASINs- that is, merge together duplicate or other redundant listings into this specific listing. The combined ASIN would then carry over the traffic, reviews, and sales information of both the listings in case the data satisfies the strict rules of duplication set out by Amazon.

Why You Should Merge ASINs on Amazon

Here’s why merging ASINs is a powerful tool for catalog optimization:

  • Consolidated Reviews: Duplicate listings split valuable customer reviews. A merged ASIN combines them.

  • Increased Visibility: One strong listing performs better than two weak or duplicate ones.

  • Higher Conversion Rate: Unified product pages look more trustworthy and professional to buyers.

  • Reduced Buyer Confusion: Customers are more likely to buy when there’s a clear, single listing.

  • Better Inventory Management: Merging eliminates the need to maintain multiple SKUs unnecessarily.

Step-by-Step: How to Merge ASINs on Amazon

Merging ASINs cannot be done through the seller dashboard. You will have to make a case with Amazon Seller Support with suitable justification.

Here’s how it works:

Step 1: Identify Duplicate or Related ASINs

Determine which ASINs represent the same product. Products must match in:

  • Brand
  • Model
  • Size
  • Color
  • Specifications

Even slight differences may disqualify your request. Be sure the products are truly identical in every respect.

Step 2: Choose the Primary (Parent) ASIN

Decide which ASIN you want to retain. Usually, this should be the one with:

  • Better sales history

  • More customer reviews

  • Higher ranking or visibility

The other ASIN will be merged into this one.

Step 3: Gather Evidence

Prepare clear documentation to support your merge request:

  • Manufacturer website URLs

  • UPC or EAN codes

  • Product packaging images

  • Any other proof that confirms both listings are the same item

Step 4: Open a Support Case with Amazon

In your Amazon Seller Central account:

  • Go to Help > Get Support

  • Select Products and Inventory > Product Page Issue

  • Choose Merge duplicate product pages.

  • Fill out the form, including the ASINs and your justification

Be as specific and professional as possible. Vague requests often get rejected.

Step 5: Follow Up and Monitor the Outcome

It can take 24 but it may also take 72 hours to get your request reviewed by the catalog team at Amazon. In case the merge is authorised, the source ASIN is going to redirect to the target ASIN, and the listings are going to be combined.

In the event that the request is rejected, you need not panic. You have the opportunity to rewrite your case and submit it again with better evidence.

Mistakes to Avoid During an ASIN Merge

  • Trying to merge different products: Even small differences in model or features will lead to a denied request.

  • Using an inactive or restricted ASIN as the target: Always pick a healthy, live ASIN.

  • Not providing supporting documentation: Amazon needs proof to merge listings.

Let Seller Pickle Handle Your ASIN Merges

At Seller Pickle, we understand the intricacies of Amazon’s merge ASIN policies. Our expert team helps you:

  • Review your catalog for duplicate ASINs

  • Identify ideal ASINs for consolidation.

  • Prepare and submit a strong, evidence-backed merge request.t

  • Communicate directly with Amazon’s catalog team on your behalf.

  • Ensure smooth execution without risk to your seller account

We’ve helped hundreds of sellers clean up their catalogs and recover lost visibility and sales.

Final Thoughts

ASINs merging on Amazon is not simply a catalog maintenance process, but a strategic step that can make a huge difference to the performance of your product. This allows you to consolidate duplicate listings, enhance your brand, and increase conversion and customer shopping experience.

Done right, an Amazon merge ASIN​ can be a turning point for your product’s success. But like many processes on Amazon, doing it wrong can have consequences. That’s why many sellers turn to Seller Pickle for expert guidance and support.

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