diff --git a/salt/elasticfleet/integration-defaults.map.jinja b/salt/elasticfleet/integration-defaults.map.jinja
index 5449e791e..62e37b229 100644
--- a/salt/elasticfleet/integration-defaults.map.jinja
+++ b/salt/elasticfleet/integration-defaults.map.jinja
@@ -4,6 +4,7 @@
 
 
 {% import_json '/opt/so/state/esfleet_package_components.json' as ADDON_PACKAGE_COMPONENTS %}
+{% import_json '/opt/so/state/esfleet_package_components.json' as INSTALLED_COMPONENT_TEMPLATES %}
 {% import_yaml 'elasticfleet/defaults.yaml' as ELASTICFLEETDEFAULTS %}
 
 {% set CORE_ESFLEET_PACKAGES = ELASTICFLEETDEFAULTS.get('elasticfleet', {}).get('packages', {}) %}
@@ -62,70 +63,89 @@
 {%         else %}
 {%           set integration_type = "" %}
 {%         endif %}
-{%           set component_name = pkg.name ~ "." ~ pattern.title %}
-{#           fix weirdly named components #}
-{%           if component_name in WEIRD_INTEGRATIONS %}
-{%             set component_name = WEIRD_INTEGRATIONS[component_name] %}
-{%           endif %}
+{%         set component_name = pkg.name ~ "." ~ pattern.title %}
+{%         set index_pattern = pattern.name %}
+
+{#         fix weirdly named components #}
+{%         if component_name in WEIRD_INTEGRATIONS %}
+{%           set component_name = WEIRD_INTEGRATIONS[component_name] %}
+{%         endif %}
+
+{#         create duplicate of component_name, so we can split generics from @custom component templates in the index template below and overwrite the default @package when needed
+           eg. having to replace unifiedlogs.generic@package with filestream.generic@package, but keep the ability to customize unifiedlogs.generic@custom and its ILM policy #}
+{%         set custom_component_name = component_name %}
+
+{#         duplicate integration_type to assist with sometimes needing to overwrite component templates with 'logs-filestream.generic@package' (there is no metrics-filestream.generic@package) #}
+{%         set generic_integration_type = integration_type %}
+
 {#           component_name_x maintains the functionality of merging local pillar changes with generated 'defaults' via SOC UI #}
 {%           set component_name_x = component_name.replace(".","_x_") %}
 {#           pillar overrides/merge expects the key names to follow the naming in elasticsearch/defaults.yaml eg. so-logs-1password_x_item_usages . The _x_ is replaced later on in elasticsearch/template.map.jinja #}
 {%           set integration_key = "so-" ~ integration_type ~ component_name_x %}
 
+{%         if ".generic" in component_name and component_name not in INSTALLED_COMPONENT_TEMPLATES %}
+{#           these generic templates by default are directed to index_pattern of 'logs-generic-*', overwrite that here to point to eg gcp_pubsub.generic-* #}
+{%           set index_pattern = integration_type ~ component_name ~ "-*" %}
+{#           includes use of .generic component template, but it doesn't exist in installed component templates. Redirect it to filestream.generic@package #}
+{%           set component_name = "filestream.generic" %}
+{%           set generic_integration_type = "logs-" %}
+{%         endif %}
+
 {#           Default integration settings #}
 {%           set integration_defaults = {
-              "index_sorting": false,
-              "index_template": {
-                  "composed_of": [integration_type ~ component_name ~ "@package", integration_type ~ component_name ~ "@custom", "so-fleet_integrations.ip_mappings-1", "so-fleet_globals-1", "so-fleet_agent_id_verification-1"],
-                  "data_stream": {
-                      "allow_custom_routing": false,
-                      "hidden": false
-                  },
-                  "ignore_missing_component_templates": [integration_type ~ component_name ~ "@custom"],
-                  "index_patterns": [pattern.name],
-                  "priority": 501,
-                  "template": {
-                      "settings": {
-                          "index": {
-                              "lifecycle": {"name": "so-" ~ integration_type ~ component_name ~ "-logs"},
-                              "number_of_replicas": 0
-                          }
-                      }
-                  }
-              },
-              "policy": {
-                  "phases": {
-                      "cold": {
-                          "actions": {
-                              "set_priority": {"priority": 0}
-                          },
-                          "min_age": "60d"
+               "index_sorting": false,
+               "index_template": {
+                 "composed_of": [generic_integration_type ~ component_name ~ "@package", integration_type ~ custom_component_name ~ "@custom", "so-fleet_integrations.ip_mappings-1", "so-fleet_globals-1", "so-fleet_agent_id_verification-1"],
+                 "data_stream": {
+                   "allow_custom_routing": false,
+                   "hidden": false
+                 },
+                 "ignore_missing_component_templates": [integration_type ~ custom_component_name ~ "@custom"],
+                 "index_patterns": [index_pattern],
+                 "priority": 501,
+                 "template": {
+                   "settings": {
+                     "index": {
+                       "lifecycle": {"name": "so-" ~ integration_type ~ custom_component_name ~ "-logs"},
+                         "number_of_replicas": 0
+                     }
+                   }
+                 }
+               },
+               "policy": {
+                 "phases": {
+                   "cold": {
+                     "actions": {
+                       "set_priority": {"priority": 0}
+                     },
+                     "min_age": "60d"
+                   },
+                   "delete": {
+                     "actions": {
+                       "delete": {}
+                     },
+                     "min_age": "365d"
+                   },
+                   "hot": {
+                     "actions": {
+                       "rollover": {
+                         "max_age": "30d",
+                         "max_primary_shard_size": "50gb"
+                       },
+                       "set_priority": {"priority": 100}
                       },
-                      "delete": {
-                          "actions": {
-                              "delete": {}
-                          },
-                          "min_age": "365d"
-                      },
-                      "hot": {
-                          "actions": {
-                              "rollover": {
-                                  "max_age": "30d",
-                                  "max_primary_shard_size": "50gb"
-                              },
-                              "set_priority": {"priority": 100}
-                          },
-                          "min_age": "0ms"
-                      },
-                      "warm": {
-                          "actions": {
-                              "set_priority": {"priority": 50}
-                          },
-                          "min_age": "30d"
-                      }
-                  }
-              }
-          } %}
+                      "min_age": "0ms"
+                   },
+                   "warm": {
+                     "actions": {
+                       "set_priority": {"priority": 50}
+                     },
+                     "min_age": "30d"
+                   }
+                 }
+               }
+             } %}
+
 {%         do ADDON_INTEGRATION_DEFAULTS.update({integration_key: integration_defaults}) %}
 {%       endfor %}
 {%     endif %}
diff --git a/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-optional-integrations-load b/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-optional-integrations-load
index 26d775e82..df01608f5 100644
--- a/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-optional-integrations-load
+++ b/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-optional-integrations-load
@@ -19,6 +19,7 @@ BULK_INSTALL_PACKAGE_LIST=/tmp/esfleet_bulk_install.json
 BULK_INSTALL_PACKAGE_TMP=/tmp/esfleet_bulk_install_tmp.json
 BULK_INSTALL_OUTPUT=/opt/so/state/esfleet_bulk_install_results.json
 PACKAGE_COMPONENTS=/opt/so/state/esfleet_package_components.json
+COMPONENT_TEMPLATES=/opt/so/state/esfleet_component_templates.txt
 
 PENDING_UPDATE=false
 
@@ -155,6 +156,9 @@ if [[ -f $STATE_FILE_SUCCESS  ]]; then
         # Write out file for generating index/component/ilm templates
         latest_installed_package_list=$(elastic_fleet_installed_packages)
         echo $latest_installed_package_list | jq '[.items[] | {name: .name, es_index_patterns: .dataStreams}]' > $PACKAGE_COMPONENTS
+        # Refresh installed component template list
+        latest_component_templates_list=$(so-elasticsearch-query _component_template | jq '.component_templates[] | .name' | jq -s '.')
+        echo $latest_component_templates_list > $COMPONENT_TEMPLATES
 
     else
         # This is the installation of add-on integrations and upgrade of existing integrations. Exiting without error, next highstate will attempt to re-run.
diff --git a/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-templates-load b/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-templates-load
index 758f601eb..ba5767255 100755
--- a/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-templates-load
+++ b/salt/elasticsearch/tools/sbin_jinja/so-elasticsearch-templates-load
@@ -136,7 +136,7 @@ if [ ! -f $STATE_FILE_SUCCESS ]; then
       TEMPLATE=${i::-14}
       COMPONENT_PATTERN=${TEMPLATE:3}
       MATCH=$(echo "$TEMPLATE" | grep -E "^so-logs-|^so-metrics" | grep -vE "detections|osquery")
-      if [[ -n "$MATCH" && ! "$COMPONENT_LIST" =~ "$COMPONENT_PATTERN" && ! "$COMPONENT_PATTERN" =~ logs-http_endpoint\.generic|logs-winlog\.winlog ]]; then
+      if [[ -n "$MATCH" && ! "$COMPONENT_LIST" =~ "$COMPONENT_PATTERN" && ! "$COMPONENT_PATTERN" =~ *\.generic|logs-winlog\.winlog ]]; then
         load_failures=$((load_failures+1))
         echo "Component template does not exist for $COMPONENT_PATTERN. The index template will not be loaded. Load failures: $load_failures"
       else