diff --git a/config/set/contentrepository-90.php b/config/set/contentrepository-90.php
index 338d58e..798c236 100644
--- a/config/set/contentrepository-90.php
+++ b/config/set/contentrepository-90.php
@@ -63,6 +63,7 @@
 use Neos\Rector\ContentRepository90\Rules\WorkspaceGetNameRector;
 use Neos\Rector\ContentRepository90\Rules\WorkspaceRepositoryCountByNameRector;
 use Neos\Rector\ContentRepository90\Rules\YamlDimensionConfigRector;
+use Neos\Rector\ContentRepository90\Rules\YamlRoutePartHandlerRector;
 use Neos\Rector\Generic\Rules\FusionFlowQueryNodePropertyToWarningCommentRector;
 use Neos\Rector\Generic\Rules\FusionNodePropertyPathToWarningCommentRector;
 use Neos\Rector\Generic\Rules\FusionPrototypeNameAddCommentRector;
@@ -121,6 +122,7 @@
         \Neos\ContentRepository\Domain\NodeType\NodeTypeName::class => \Neos\ContentRepository\Core\NodeType\NodeTypeName::class,
         \Neos\ContentRepository\Domain\Projection\Content\PropertyCollectionInterface::class => \Neos\ContentRepository\Core\Projection\ContentGraph\PropertyCollection::class,
         \Neos\ContentRepository\Domain\Model\ArrayPropertyCollection::class => \Neos\ContentRepository\Core\Projection\ContentGraph\PropertyCollection::class,
+        \Neos\Neos\Routing\FrontendNodeRoutePartHandlerInterface::class => \Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface::class,
     ]);
 
     $rectorConfig->ruleWithConfiguration(FusionReplacePrototypeNameRector::class, [
@@ -511,6 +513,7 @@
     ]);
 
     $rectorConfig->rule(YamlDimensionConfigRector::class);
+    $rectorConfig->rule(YamlRoutePartHandlerRector::class);
 
     /**
      * CLEAN UP / END GLOBAL RULES
diff --git a/src/ContentRepository90/Rules/YamlRoutePartHandlerRector.php b/src/ContentRepository90/Rules/YamlRoutePartHandlerRector.php
new file mode 100644
index 0000000..a7b33a0
--- /dev/null
+++ b/src/ContentRepository90/Rules/YamlRoutePartHandlerRector.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Neos\Rector\ContentRepository90\Rules;
+
+use Neos\Rector\Core\YamlProcessing\YamlRectorInterface;
+use Neos\Rector\Core\YamlProcessing\YamlWithComments;
+use Neos\Rector\Utility\CodeSampleLoader;
+use Neos\Utility\Arrays;
+use Symfony\Component\Yaml\Yaml;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+class YamlRoutePartHandlerRector implements YamlRectorInterface
+{
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return CodeSampleLoader::fromFile('Fusion: Rewrite Routes.yaml config to use Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface as route part handler', __CLASS__);
+    }
+
+    public function refactorFileContent(string $fileContent): string
+    {
+        $parsed = Yaml::parse($fileContent);
+        if (!is_array($parsed)) {
+            return $fileContent;
+        }
+
+        foreach ($parsed as $routeConfigKey => $routeConfig) {
+            if (!is_array($routeConfig)) {
+                continue;
+            }
+            if (!isset($routeConfig['routeParts']) || !is_array($routeConfig['routeParts'])) {
+                continue;
+            }
+
+            $handlerToReplace = [
+                \Neos\Neos\Routing\FrontendNodeRoutePartHandler::class,
+                \Neos\Neos\Routing\FrontendNodeRoutePartHandlerInterface::class,
+            ];
+
+            foreach ($routeConfig['routeParts'] as $routePartKey => $routePart) {
+                if (isset($routePart['handler']) && in_array($routePart['handler'], $handlerToReplace)) {
+                    $parsed[$routeConfigKey]['routeParts'][$routePartKey]['handler'] = \Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface::class;
+                }
+            }
+        }
+
+        return YamlWithComments::dump($parsed);
+    }
+}
diff --git a/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/Fixture/Routes.yaml.inc b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/Fixture/Routes.yaml.inc
new file mode 100644
index 0000000..332bc17
--- /dev/null
+++ b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/Fixture/Routes.yaml.inc
@@ -0,0 +1,52 @@
+- name:  'ATOM Package Feed'
+  uriPattern: '{node}.atom'
+  defaults:
+    '@package': 'Neos.Neos'
+    '@controller': 'Frontend\Node'
+    '@action': 'show'
+    '@format': 'atom'
+  routeParts:
+    'node':
+       handler: 'Neos\Neos\Routing\FrontendNodeRoutePartHandler'
+-
+  name: Preview
+  uriPattern: neos/preview
+  defaults:
+    '@action': preview
+  appendExceedingArguments: true
+-
+  name: 'Default Frontend'
+  uriPattern: '{node}'
+  routeParts:
+    'node':
+      handler: 'Neos\Neos\Routing\FrontendNodeRoutePartHandlerInterface'
+      options:
+        uriPathSuffix: '<defaultUriSuffix>'
+  appendExceedingArguments: true
+-----
+-
+  name: 'ATOM Package Feed'
+  uriPattern: '{node}.atom'
+  defaults:
+    '@package': Neos.Neos
+    '@controller': Frontend\Node
+    '@action': show
+    '@format': atom
+  routeParts:
+    node:
+      handler: Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface
+-
+  name: Preview
+  uriPattern: neos/preview
+  defaults:
+    '@action': preview
+  appendExceedingArguments: true
+-
+  name: 'Default Frontend'
+  uriPattern: '{node}'
+  routeParts:
+    node:
+      handler: Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface
+      options:
+        uriPathSuffix: '<defaultUriSuffix>'
+  appendExceedingArguments: true
diff --git a/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/YamlRoutePartHandlerRectorTest.php b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/YamlRoutePartHandlerRectorTest.php
new file mode 100644
index 0000000..60160f9
--- /dev/null
+++ b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/YamlRoutePartHandlerRectorTest.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Neos\Rector\Tests\ContentRepository90\Rules\YamlDimensionConfigRector;
+
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class YamlRoutePartHandlerRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(string $fileInfo): void
+    {
+        $this->doTestFile($fileInfo);
+    }
+
+    /**
+     * @return \Iterator<string>
+     */
+    public function provideData(): \Iterator
+    {
+        return $this->yieldFilesFromDirectory(__DIR__ . '/Fixture', '*.yaml.inc');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/config/configured_rule.php b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/config/configured_rule.php
new file mode 100644
index 0000000..7c5d4d1
--- /dev/null
+++ b/tests/ContentRepository90/Rules/YamlRoutePartHandlerRector/config/configured_rule.php
@@ -0,0 +1,17 @@
+<?php
+
+declare (strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    $services = $rectorConfig->services();
+    $services->defaults()
+        ->public()
+        ->autowire()
+        ->autoconfigure();
+    $services->set(\Neos\Rector\Core\YamlProcessing\YamlFileProcessor::class);
+    $rectorConfig->disableParallel(); // does not work for yaml files - see https://github.com/rectorphp/rector-src/pull/2597#issuecomment-1190120688
+
+    $rectorConfig->rule(Neos\Rector\ContentRepository90\Rules\YamlRoutePartHandlerRector::class);
+};
diff --git a/tests/Sets/ContentRepository90/Fixture/frontend-node-route-part-handler.php.inc b/tests/Sets/ContentRepository90/Fixture/frontend-node-route-part-handler.php.inc
new file mode 100644
index 0000000..b7ab91e
--- /dev/null
+++ b/tests/Sets/ContentRepository90/Fixture/frontend-node-route-part-handler.php.inc
@@ -0,0 +1,23 @@
+<?php
+
+namespace Neos\Rector\Test;
+
+use Neos\Neos\Routing\FrontendNodeRoutePartHandlerInterface;
+
+class SomeClass implements FrontendNodeRoutePartHandlerInterface
+{
+
+}
+
+-----
+<?php
+
+namespace Neos\Rector\Test;
+
+use Neos\Neos\Routing\FrontendNodeRoutePartHandlerInterface;
+
+class SomeClass implements \Neos\Neos\FrontendRouting\FrontendNodeRoutePartHandlerInterface
+{
+
+}
+