diff --git a/integration/woocommerce.php b/integration/woocommerce.php
index a6cefef0..3bf496da 100755
--- a/integration/woocommerce.php
+++ b/integration/woocommerce.php
@@ -90,6 +90,10 @@ function gtm4wp_woocommerce_process_product( $product, $additional_product_attri
 		'google_business_vertical' => $gtm4wp_options[ GTM4WP_OPTION_INTEGRATE_WCBUSINESSVERTICAL ],
 	);
 
+	if ( 'variation' === $product_type ) {
+		$_temp_productdata['item_group_id'] = $parent_product_id;
+	}
+
 	if ( 1 === count( $product_cat_parts ) ) {
 		$_temp_productdata['item_category'] = $product_cat_parts[0];
 	} elseif ( count( $product_cat_parts ) > 1 ) {
diff --git a/js/gtm4wp-woocommerce.js b/js/gtm4wp-woocommerce.js
index a3f24369..306bf752 100644
--- a/js/gtm4wp-woocommerce.js
+++ b/js/gtm4wp-woocommerce.js
@@ -513,6 +513,7 @@ function gtm4wp_woocommerce_process_pages() {
 
 		current_product_detail_data.price = gtm4wp_make_sure_is_float( current_product_detail_data.price );
 
+		current_product_detail_data.item_group_id = current_product_detail_data.id;
 		current_product_detail_data.id = product_variation.variation_id;
 		current_product_detail_data.item_id = product_variation.variation_id;
 		current_product_detail_data.sku = product_variation.sku;
@@ -529,6 +530,8 @@ function gtm4wp_woocommerce_process_pages() {
 		current_product_detail_data.variant = product_variation_attribute_values.join(',');
 		gtm4wp_last_selected_product_variation = current_product_detail_data;
 
+		delete current_product_detail_data.internal_id;
+
 		// fire ga4 version
 		gtm4wp_push_ecommerce( 'view_item', [ current_product_detail_data ], {
 			'currency': gtm4wp_currency,