diff --git a/package-lock.json b/package-lock.json
index 6b4469f..69a5519 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,7 @@
         "package-manager-detector": "^1.3.0",
         "picocolors": "^1.1.1",
         "publint": "^0.3.12",
+        "semver": "^7.7.2",
         "tinyglobby": "^0.2.14"
       },
       "bin": {
@@ -30,6 +31,7 @@
         "@types/debug": "^4.1.12",
         "@types/node": "^24.2.1",
         "@types/picomatch": "^4.0.2",
+        "@types/semver": "^7.7.0",
         "@vitest/coverage-v8": "^3.2.3",
         "eslint": "^9.33.0",
         "pkg-pr-new": "^0.0.54",
@@ -2298,6 +2300,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/semver": {
+      "version": "7.7.0",
+      "resolved": "https://registry.npmjs.org/@types/semver/-/semver-7.7.0.tgz",
+      "integrity": "sha512-k107IF4+Xr7UHjwDc7Cfd6PRQfbdkiRabXGRjo07b4WyPahFBZCZ1sE+BNxYIJPPg73UkfOsVOLwqVc/6ETrIA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.39.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.39.0.tgz",
diff --git a/package.json b/package.json
index 98f1d5e..1b8a6db 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,7 @@
     "package-manager-detector": "^1.3.0",
     "picocolors": "^1.1.1",
     "publint": "^0.3.12",
+    "semver": "^7.7.2",
     "tinyglobby": "^0.2.14"
   },
   "devDependencies": {
@@ -72,6 +73,7 @@
     "@types/debug": "^4.1.12",
     "@types/node": "^24.2.1",
     "@types/picomatch": "^4.0.2",
+    "@types/semver": "^7.7.0",
     "@vitest/coverage-v8": "^3.2.3",
     "eslint": "^9.33.0",
     "pkg-pr-new": "^0.0.54",
diff --git a/src/analyze/replacements.ts b/src/analyze/replacements.ts
index bf4875c..7d9b40f 100644
--- a/src/analyze/replacements.ts
+++ b/src/analyze/replacements.ts
@@ -2,6 +2,9 @@ import * as replacements from 'module-replacements';
 import {ReportPluginResult} from '../types.js';
 import type {FileSystem} from '../file-system.js';
 import {getPackageJson} from '../file-system-utils.js';
+import semverSatisfies from 'semver/functions/satisfies.js';
+import semverLessThan from 'semver/ranges/ltr.js';
+import {minVersion, validRange} from 'semver';
 
 /**
  * Generates a standard URL to the docs of a given rule
@@ -21,6 +24,28 @@ export function getMdnUrl(path: string): string {
   return `https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/${path}`;
 }
 
+function isNodeEngineCompatible(
+  requiredNode: string,
+  enginesNode: string
+): boolean {
+  const requiredRange = validRange(requiredNode);
+  const engineRange = validRange(enginesNode);
+
+  if (!requiredRange || !engineRange) {
+    return true;
+  }
+
+  const requiredMin = minVersion(requiredRange);
+  if (!requiredMin) {
+    return true;
+  }
+
+  return (
+    semverLessThan(requiredMin.version, engineRange) ||
+    semverSatisfies(requiredMin.version, engineRange)
+  );
+}
+
 export async function runReplacements(
   fileSystem: FileSystem
 ): Promise<ReportPluginResult> {
@@ -57,13 +82,29 @@ export async function runReplacements(
         message: `Module "${name}" can be replaced. ${replacement.replacement}.`
       });
     } else if (replacement.type === 'native') {
+      const enginesNode = packageJson.engines?.node;
+      let supported = true;
+
+      if (replacement.nodeVersion && enginesNode) {
+        supported = isNodeEngineCompatible(
+          replacement.nodeVersion,
+          enginesNode
+        );
+      }
+
+      if (!supported) {
+        continue;
+      }
+
       const mdnPath = getMdnUrl(replacement.mdnPath);
-      // TODO (43081j): support `nodeVersion` here, check it against the
-      // packageJson.engines field, if there is one.
+      const requires =
+        replacement.nodeVersion && !enginesNode
+          ? ` Required Node >= ${replacement.nodeVersion}.`
+          : '';
       result.messages.push({
         severity: 'warning',
         score: 0,
-        message: `Module "${name}" can be replaced with native functionality. Use "${replacement.replacement}" instead. You can read more at ${mdnPath}.`
+        message: `Module "${name}" can be replaced with native functionality. Use "${replacement.replacement}" instead. You can read more at ${mdnPath}.${requires}`
       });
     } else if (replacement.type === 'documented') {
       const docUrl = getDocsUrl(replacement.docPath);
diff --git a/src/types.ts b/src/types.ts
index a985b10..8244e26 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -53,6 +53,10 @@ export interface PackageJsonLike {
   version: string;
   dependencies?: Record<string, string>;
   devDependencies?: Record<string, string>;
+  engines?: {
+    node?: string;
+    [engineName: string]: string | undefined;
+  };
 }
 
 export interface Replacement {