diff --git a/commerce_migrate.services.yml b/commerce_migrate.services.yml
index e728d95..e970948 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 }
diff --git a/modules/commerce/migration_templates/d7_commerce_product.yml b/modules/commerce/migration_templates/d7_commerce_product.yml
index 438de61..9f01d41 100644
--- a/modules/commerce/migration_templates/d7_commerce_product.yml
+++ b/modules/commerce/migration_templates/d7_commerce_product.yml
@@ -16,9 +16,9 @@ process:
   changed: changed
   path: path
   variations:
-    plugin: commerce_migrate_commerce_reference
+    plugin: migration_lookup
+    migration: d7_commerce_product_variation
     source: variations_field
-    target_key: product_id
 destination:
   plugin: 'entity:commerce_product'
 migration_dependencies:
diff --git a/modules/commerce/migration_templates/d7_commerce_product_variation.yml b/modules/commerce/migration_templates/d7_commerce_product_variation.yml
index 9e5281f..80ab65c 100644
--- a/modules/commerce/migration_templates/d7_commerce_product_variation.yml
+++ b/modules/commerce/migration_templates/d7_commerce_product_variation.yml
@@ -6,7 +6,13 @@ migration_tags:
 source:
   plugin: d7_product
 process:
-  product_id: product_id
+  variation_id: product_id
+  # The product_id field is NULL after this migration.
+  # It is back reference to the product id which is
+  # migrated in the product migration, d7_product, and
+  # is run after this migration. The value is updated
+  # via the event subscriber MigrateProduct.
+  #product_id:
   revision_id: revision_id
   sku: sku
   title: title
diff --git a/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
index 99493c4..c008a64 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/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
index 4725450..634d87b 100644
--- a/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
+++ b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
@@ -42,13 +42,13 @@ class ProductVariationTest extends Commerce1TestBase {
    * Test product variation migration from Drupal 7 Commerce to Drupal 8.
    */
   public function testProductVariation() {
-    $this->assertProductVariationEntity(1, '0', 'TOT1-GRN-OS', '16.000000', 'USD', '1', 'Tote Bag 1', 'default');
-    $this->assertProductVariationEntity(11, '0', 'HAT1-GRY-OS', '16.000000', 'USD', '11', 'Hat 1', 'default');
-    $this->assertProductVariationEntity(19, '0', 'SHO2-PRL-04', '40.000000', 'USD', '19', 'Shoe 2', 'default');
-    $this->assertProductVariationEntity(20, '0', 'SHO2-PRL-05', '40.000000', 'USD', '20', 'Shoe 2', 'default');
-    $this->assertProductVariationEntity(28, '0', 'USB-BLU-08', '11.990000', 'USD', '28', 'Storage 1', 'default');
-    $this->assertProductVariationEntity(29, '0', 'USB-BLU-16', '17.990000', 'USD', '29', 'Storage 1', 'default');
-    $this->assertProductVariationEntity(30, '0', 'USB-BLU-32', '29.990000', 'USD', '30', 'Storage 1', 'default');
+    $this->assertProductVariationEntity(1, '0', 'TOT1-GRN-OS', '16.000000', 'USD', NULL, 'Tote Bag 1', 'default');
+    $this->assertProductVariationEntity(11, '0', 'HAT1-GRY-OS', '16.000000', 'USD', NULL, 'Hat 1', 'default');
+    $this->assertProductVariationEntity(19, '0', 'SHO2-PRL-04', '40.000000', 'USD', NULL, 'Shoe 2', 'default');
+    $this->assertProductVariationEntity(20, '0', 'SHO2-PRL-05', '40.000000', 'USD', NULL, 'Shoe 2', 'default');
+    $this->assertProductVariationEntity(28, '0', 'USB-BLU-08', '11.990000', 'USD', NULL, 'Storage 1', 'default');
+    $this->assertProductVariationEntity(29, '0', 'USB-BLU-16', '17.990000', 'USD', NULL, 'Storage 1', 'default');
+    $this->assertProductVariationEntity(30, '0', 'USB-BLU-32', '29.990000', 'USD', NULL, 'Storage 1', 'default');
 
     $product = ProductVariation::load(1);
     $this->assertEquals($product->getCreatedTime(), 1493287314);
diff --git a/src/EventSubscriber/MigrateProduct.php b/src/EventSubscriber/MigrateProduct.php
new file mode 100644
index 0000000..800d129
--- /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_commerce_product') {
+      $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();
+          }
+        }
+      }
+    }
+  }
+
+}
+