diff --git a/ecommerce/core/tests/test_create_demo_data.py b/ecommerce/core/tests/test_create_demo_data.py
index 68fb787b78a..ed4c118d5d4 100644
--- a/ecommerce/core/tests/test_create_demo_data.py
+++ b/ecommerce/core/tests/test_create_demo_data.py
@@ -59,7 +59,13 @@ def test_handle_with_existing_course(self):
             partner=self.partner
         )
 
-        seat_attrs = {'certificate_type': '', 'expires': None, 'price': 0.00, 'id_verification_required': False}
+        seat_attrs = {
+            'certificate_type': '',
+            'expires': None,
+            'price': 0.00,
+            'id_verification_required': False,
+            'variant_id': '00000000-0000-0000-0000-000000000000'
+        }
         course.create_or_update_seat(**seat_attrs)
 
         with mock.patch.object(Course, 'publish_to_lms', return_value=None) as mock_publish:
diff --git a/ecommerce/courses/models.py b/ecommerce/courses/models.py
index 62c10ed6c80..e5fccc3450c 100644
--- a/ecommerce/courses/models.py
+++ b/ecommerce/courses/models.py
@@ -155,6 +155,7 @@ def create_or_update_seat(
             remove_stale_modes=True,
             create_enrollment_code=False,
             sku=None,
+            variant_id=None,
     ):
         """
         Creates and updates course seat products.
@@ -218,6 +219,7 @@ def create_or_update_seat(
         seat.attr.certificate_type = certificate_type
         seat.attr.course_key = course_id
         seat.attr.id_verification_required = id_verification_required
+        seat.attr.variant_id = variant_id
         if certificate_type in ENROLLMENT_CODE_SEAT_TYPES and create_enrollment_code:
             self._create_or_update_enrollment_code(
                 certificate_type, id_verification_required, self.partner, price, expires
diff --git a/ecommerce/courses/tests/test_models.py b/ecommerce/courses/tests/test_models.py
index a875b230f21..fbc293e281f 100644
--- a/ecommerce/courses/tests/test_models.py
+++ b/ecommerce/courses/tests/test_models.py
@@ -97,7 +97,7 @@ def test_save_creates_parent_seat(self):
         self.assertEqual(parent.attr.course_key, course.id)
 
     def assert_course_seat_valid(self, seat, course, certificate_type, id_verification_required, price,
-                                 credit_provider=None, credit_hours=None):
+                                 credit_provider=None, credit_hours=None, variant_id=None):
         """ Ensure the given seat has the correct attribute values. """
         self.assertEqual(seat.structure, Product.CHILD)
         # pylint: disable=protected-access
@@ -108,6 +108,9 @@ def assert_course_seat_valid(self, seat, course, certificate_type, id_verificati
         self.assertEqual(seat.attr.id_verification_required, id_verification_required)
         self.assertEqual(seat.stockrecords.first().price_excl_tax, price)
 
+        if variant_id:
+            self.assertEqual(seat.attr.variant_id, variant_id)
+
         if credit_provider:
             self.assertEqual(seat.attr.credit_provider, credit_provider)
 
@@ -132,7 +135,8 @@ def test_create_or_update_seat(self):
         # Test seat update
         price = 10
         course.create_or_update_seat(
-            certificate_type, id_verification_required, price, sku=seat.stockrecords.first().partner_sku
+            certificate_type, id_verification_required, price, sku=seat.stockrecords.first().partner_sku,
+            variant_id='00000000-0000-0000-0000-000000000000'
         )
 
         # Again, only two seats with one being the parent seat product.
@@ -202,12 +206,14 @@ def test_update_credit_seat(self):
         certificate_type = 'credit'
         id_verification_required = True
         price = 10
+        variant_id = '00000000-0000-0000-0000-000000000000'
         credit_seat = course.create_or_update_seat(
             certificate_type,
             id_verification_required,
             price,
             credit_provider=credit_provider,
-            credit_hours=credit_hours
+            credit_hours=credit_hours,
+            variant_id=variant_id
         )
         credit_hours = 4
         price = 100
@@ -218,6 +224,7 @@ def test_update_credit_seat(self):
             credit_provider=credit_provider,
             credit_hours=credit_hours,
             sku=credit_seat.stockrecords.first().partner_sku,
+            variant_id=variant_id
         )
         self.assert_course_seat_valid(
             credit_seat,
@@ -226,7 +233,8 @@ def test_update_credit_seat(self):
             id_verification_required,
             price,
             credit_provider=credit_provider,
-            credit_hours=credit_hours
+            credit_hours=credit_hours,
+            variant_id=variant_id
         )
 
     def test_collision_avoidance(self):
diff --git a/ecommerce/extensions/api/serializers.py b/ecommerce/extensions/api/serializers.py
index 11825a2c891..3ea92f9c0de 100644
--- a/ecommerce/extensions/api/serializers.py
+++ b/ecommerce/extensions/api/serializers.py
@@ -771,6 +771,7 @@ def save(course, product, create_enrollment_code):
         stockrecords = product.get('stockrecords', [])
         if stockrecords:
             sku = stockrecords[0].get('partner_sku')
+        variant_id = attrs.get('variant_id')
 
         seat = course.create_or_update_seat(
             certificate_type,
@@ -781,6 +782,7 @@ def save(course, product, create_enrollment_code):
             credit_hours=credit_hours,
             create_enrollment_code=create_enrollment_code,
             sku=sku,
+            variant_id=variant_id
         )
 
         # As a convenience to our caller, provide the SKU in the returned product serialization.