diff --git a/awx/main/models/credential.py b/awx/main/models/credential.py
index 44f310716da9..5e915b54e56e 100644
--- a/awx/main/models/credential.py
+++ b/awx/main/models/credential.py
@@ -53,7 +53,6 @@
 )
 from awx.main.models import Team, Organization
 from awx.main.utils import encrypt_field
-from awx_plugins.credentials import injectors as builtin_injectors
 
 # DAB
 from ansible_base.resource_registry.tasks.sync import get_resource_server_client
@@ -438,6 +437,7 @@ class Meta:
         default=dict,
         help_text=_('Enter injectors using either JSON or YAML syntax. Refer to the documentation for example syntax.'),
     )
+    custom_injectors = None
 
     @classmethod
     def from_db(cls, db, field_names, values):
@@ -446,6 +446,7 @@ def from_db(cls, db, field_names, values):
             native = ManagedCredentialType.registry[instance.namespace]
             instance.inputs = native.inputs
             instance.injectors = native.injectors
+            instance.custom_injectors = native.custom_injectors
         return instance
 
     def get_absolute_url(self, request=None):
@@ -547,6 +548,7 @@ def setup_tower_managed_defaults(cls, apps: Apps = None, app_config: AppConfig =
 
     @classmethod
     def load_plugin(cls, ns, plugin):
+        # TODO: User "side-loaded" credential custom_injectors isn't supported
         ManagedCredentialType(namespace=ns, name=plugin.name, kind='external', inputs=plugin.inputs)
 
     def inject_credential(self, credential, env, safe_env, args, private_data_dir):
@@ -575,9 +577,9 @@ def inject_credential(self, credential, env, safe_env, args, private_data_dir):
                                  files)
         """
         if not self.injectors:
-            if self.managed and credential.credential_type.namespace in dir(builtin_injectors):
+            if self.managed and credential.credential_type.custom_injectors:
                 injected_env = {}
-                getattr(builtin_injectors, credential.credential_type.namespace)(credential, injected_env, private_data_dir)
+                credential.credential_type.custom_injectors(credential, injected_env, private_data_dir)
                 env.update(injected_env)
                 safe_env.update(build_safe_env(injected_env))
             return
@@ -686,6 +688,7 @@ def __init__(self, namespace, **kwargs):
         for k in ('inputs', 'injectors'):
             if k not in kwargs:
                 kwargs[k] = {}
+        kwargs.setdefault('custom_injectors', None)
         super(ManagedCredentialType, self).__init__(namespace=namespace, **kwargs)
         if namespace in ManagedCredentialType.registry:
             raise ValueError(
@@ -706,7 +709,9 @@ def get_creation_params(self):
         )
 
     def create(self):
-        return CredentialType(**self.get_creation_params())
+        res = CredentialType(**self.get_creation_params())
+        res.custom_injectors = self.custom_injectors
+        return res
 
 
 class CredentialInputSource(PrimordialModel):
diff --git a/awx/main/tests/functional/test_inventory_source_injectors.py b/awx/main/tests/functional/test_inventory_source_injectors.py
index 83d9360ff501..c7ab3d440c82 100644
--- a/awx/main/tests/functional/test_inventory_source_injectors.py
+++ b/awx/main/tests/functional/test_inventory_source_injectors.py
@@ -192,9 +192,10 @@ def create_reference_data(source_dir, env, content):
             json.dump(env, f, indent=4, sort_keys=True)
 
 
+@mock.patch('awx_plugins.interfaces._temporary_private_licensing_api.detect_server_product_name', return_value='NOT-AWX')
 @pytest.mark.django_db
 @pytest.mark.parametrize('this_kind', discover_available_cloud_provider_plugin_names())
-def test_inventory_update_injected_content(this_kind, inventory, fake_credential_factory, mock_me):
+def test_inventory_update_injected_content(product_name, this_kind, inventory, fake_credential_factory, mock_me):
     if this_kind.endswith('_supported'):
         this_kind = this_kind[:-10]