diff --git a/common/changes/@snowplow/browser-plugin-snowplow-ecommerce/ga4-ecommerce-fix_2025-05-28-10-25.json b/common/changes/@snowplow/browser-plugin-snowplow-ecommerce/ga4-ecommerce-fix_2025-05-28-10-25.json
new file mode 100644
index 000000000..c956adf68
--- /dev/null
+++ b/common/changes/@snowplow/browser-plugin-snowplow-ecommerce/ga4-ecommerce-fix_2025-05-28-10-25.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@snowplow/browser-plugin-snowplow-ecommerce",
+      "comment": "Fixing GA4 Ecommerce functions to use finalCartValue within ecommerce object",
+      "type": "none"
+    }
+  ],
+  "packageName": "@snowplow/browser-plugin-snowplow-ecommerce"
+}
\ No newline at end of file
diff --git a/plugins/browser-plugin-snowplow-ecommerce/src/ga4/api.ts b/plugins/browser-plugin-snowplow-ecommerce/src/ga4/api.ts
index 21d74d93c..c2a25284f 100644
--- a/plugins/browser-plugin-snowplow-ecommerce/src/ga4/api.ts
+++ b/plugins/browser-plugin-snowplow-ecommerce/src/ga4/api.ts
@@ -33,21 +33,23 @@ export function trackGA4SelectPromotion(ecommerce: GA4EcommerceObject & Promotio
 }
 
 export function trackGA4AddToCart(
-  ecommerce: GA4EcommerceObject & Currency,
+  ecommerce: GA4EcommerceObject & Currency & { finalCartValue?: number },
   opts: Options & { finalCartValue: number }
 ) {
   const currency = (ecommerce.currency || opts.currency)!;
+  const finalCartValue = ecommerce.finalCartValue ?? opts.finalCartValue;
   const products = transformG4ItemsToSPProducts(ecommerce, currency);
-  trackAddToCart({ products, total_value: opts.finalCartValue, currency });
+  trackAddToCart({ products, total_value: finalCartValue, currency });
 }
 
 export function trackGA4RemoveFromCart(
-  ecommerce: GA4EcommerceObject & Currency,
+  ecommerce: GA4EcommerceObject & Currency & { finalCartValue?: number },
   opts: Options & { finalCartValue: number }
 ) {
   const currency = (ecommerce.currency || opts.currency)!;
+  const finalCartValue = ecommerce.finalCartValue ?? opts.finalCartValue;
   const products = transformG4ItemsToSPProducts(ecommerce, currency);
-  trackRemoveFromCart({ products, total_value: opts.finalCartValue, currency });
+  trackRemoveFromCart({ products, total_value: finalCartValue, currency });
 }
 
 export function trackGA4ViewItem(ecommerce: GA4EcommerceObject, opts: Options = {}) {