How to Get Cross sell Products Collection in Magento 2?

CrossSell Products display on the Cart page of the store in the eCommerce Website.

Cross-sell Products in Magento 2 display on the cart page with the label like, “More Choices” and display list of available products by matching rule on the cart page in Magento Commerce.

Native Magento displays 9 Cross-sell items on the cart page and if you want to display more than the default limit you can override PHP file with How to change CrossSell product limit in Magento 2?

You can Get the cross-sell items by Product id or SKU via fetch the Product repository collection in Magento 2.

You can load the Cross-sell items by calling getCrossSellProducts() on product objects.

Get Related Products Collection in Magento 2

Get Upsell Products collection in Magento 2
Output:
Cross-sell products array of ids.
If the product is not assigned, the Result will be an empty array.

Retrieve Cross-sell Items is the easy way in Magento 2 by Programmatic Way.