How to Change Cross-Sell Product Limit in Magento 2?

app/code/Vendor/Extension/etc/frontend/di.xml

Then, add the code as follows.

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\Checkout\Block\Cart\Crosssell" type="Vendor\Extension\Block\Cart\Crosssell" />
</config>
Step 2: After that, you must create a Block file in the path below.

app/code/Vendor/Extension/Block/Cart/Crosssell.php

Now add the following code snippet.

<?php
 
namespace Vendor\Extension\Block\Cart;
 
use Magento\CatalogInventory\Helper\Stock as StockHelper;
 
class Crosssell extends \Magento\Checkout\Block\Cart\Crosssell
{
    public function __construct(
        \Magento\Catalog\Block\Product\Context $context,
        \Magento\Checkout\Model\Session $checkoutSession,
        \Magento\Catalog\Model\Product\Visibility $productVisibility,
        \Magento\Catalog\Model\Product\LinkFactory $productLinkFactory,
        \Magento\Quote\Model\Quote\Item\RelatedProducts $itemRelationsList,
        \Magento\CatalogInventory\Helper\Stock $stockHelper,
        array $data = []
    ) {
        parent::__construct(
            $context,
            $checkoutSession,
            $productVisibility,
            $productLinkFactory,
            $itemRelationsList,
            $stockHelper,
            $data
        );
 
        $this->_maxItemCount = 7; // here set your product limit 
    }
}
Step 3: After that, run the below commands.

php bin/magento setup:di:compile
php bin/magento cache:flush

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