diff --git a/netbox/dcim/models/devices.py b/netbox/dcim/models/devices.py
index 0f11cb5f3..fe15f9fb4 100644
--- a/netbox/dcim/models/devices.py
+++ b/netbox/dcim/models/devices.py
@@ -1277,6 +1277,11 @@ class Module(PrimaryModel, ConfigContextModel):
                 if not disable_replication:
                     create_instances.append(template_instance)
 
+            # Set default values for any applicable custom fields
+            if cf_defaults := CustomField.objects.get_defaults_for_model(component_model):
+                for component in create_instances:
+                    component.custom_field_data = cf_defaults
+
             if component_model is not ModuleBay:
                 component_model.objects.bulk_create(create_instances)
                 # Emit the post_save signal for each newly created object