diff --git a/commerce_migrate.services.yml b/commerce_migrate.services.yml
index e9d79c2..8616c93 100644
--- a/commerce_migrate.services.yml
+++ b/commerce_migrate.services.yml
@@ -7,3 +7,7 @@ services:
     class: Drupal\commerce_migrate\EventSubscriber\MigrateOrderItem
     tags:
       - { name: event_subscriber }
+  commerce_migrate.migrate_product:
+    class: Drupal\commerce_migrate\EventSubscriber\MigrateProduct
+    tags:
+      - { name: event_subscriber }
\ No newline at end of file
diff --git a/modules/commerce/migration_templates/d7_product.yml b/modules/commerce/migration_templates/d7_product.yml
index fee1722..5d25a6e 100644
--- a/modules/commerce/migration_templates/d7_product.yml
+++ b/modules/commerce/migration_templates/d7_product.yml
@@ -6,6 +6,12 @@ migration_tags:
 source:
   plugin: d7_product
 process:
+# This is the product id and not the product variation id.
+# It may not be correct after this migration. It is back
+# reference to the product id which is migrated in the
+# product migration, d7_product_display, and is run after
+# this migration. This value is updated via the event
+# subscriber MigrateProduct.
   product_id: product_id
   revision_id: revision_id
   sku: sku
diff --git a/modules/commerce/migration_templates/d7_product_display.yml b/modules/commerce/migration_templates/d7_product_display.yml
index 1c4e636..cafc456 100644
--- a/modules/commerce/migration_templates/d7_product_display.yml
+++ b/modules/commerce/migration_templates/d7_product_display.yml
@@ -15,6 +15,9 @@ process:
   created: created
   changed: changed
   path: path
+  # Note that a post event subscriber, MigrateProduct,
+  # is used to update the back reference to the product id
+  # for all variations.
   variations:
     plugin: commerce_migrate_commerce_reference
     source: variations_field
diff --git a/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
index b1e5399..ecf379a 100644
--- a/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
+++ b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
@@ -54,7 +54,13 @@ class ProductTest extends Commerce1TestBase {
 
     $product = Product::load(15);
     $variation_id = $product->variations->target_id;
-    $this->assertProductVariationEntity($variation_id, '0', 'TOT1-GRN-OS', '16.000000', 'USD', '1', 'Tote Bag 1', 'default');
+    $this->assertProductVariationEntity($variation_id, '0', 'TOT1-GRN-OS', '16.000000', 'USD', '15', 'Tote Bag 1', 'default');
+
+    // Tests a product with multiple variations.
+    $this->assertProductEntity(26, '1', 'Commerce Guys USB Key', TRUE, ['1'], ['28', '29', '30']);
+    $this->assertProductVariationEntity(28, '0', 'USB-BLU-08', '11.990000', 'USD', '26', 'Storage 1', 'default');
+    $this->assertProductVariationEntity(29, '0', 'USB-BLU-16', '17.990000', 'USD', '26', 'Storage 1', 'default');
+    $this->assertProductVariationEntity(30, '0', 'USB-BLU-32', '29.990000', 'USD', '26', 'Storage 1', 'default');
   }
 
 }
diff --git a/src/EventSubscriber/MigrateProduct.php b/src/EventSubscriber/MigrateProduct.php
new file mode 100644
index 0000000..702b6e9
--- /dev/null
+++ b/src/EventSubscriber/MigrateProduct.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Drupal\commerce_migrate\EventSubscriber;
+
+use Drupal\commerce_product\Entity\Product;
+use Drupal\commerce_product\Entity\ProductVariation;
+use Drupal\migrate\Event\MigrateEvents;
+use Drupal\migrate\Event\MigratePostRowSaveEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Handles migrate post save event for products.
+ *
+ * @package Drupal\commerce_migrate\EventSubscriber
+ */
+class MigrateProduct implements EventSubscriberInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events[MigrateEvents::POST_ROW_SAVE][] = 'postRowSave';
+    return $events;
+  }
+
+  /**
+   * Updates the product variation product_id after the product migration.
+   *
+   * @param \Drupal\migrate\Event\MigratePostRowSaveEvent $event
+   *   The event.
+   */
+  public function postRowSave(MigratePostRowSaveEvent $event) {
+    $destination_config = $event->getMigration()->getDestinationConfiguration();
+
+    // Ensure the back reference to the product is correct for all variations
+    // of this product.
+    if ($event->getMigration()->id() == 'd7_product_display') {
+      $variations = $event->getRow()->getDestinationProperty('variations');
+      $product_id = $event->getRow()->getDestinationProperty('product_id');
+      $product = Product::load($product_id);
+      if ($product) {
+        foreach ($variations as $variation) {
+          $variation = ProductVariation::load($variation);
+          if ($variation) {
+            $variation->set('product_id', $product_id);
+            $variation->save();
+          }
+        }
+      }
+    }
+  }
+
+}
+