diff --git a/ext/node/polyfills/_fs/_fs_fdatasync.ts b/ext/node/polyfills/_fs/_fs_fdatasync.ts
index 02226e1c96..fce4541099 100644
--- a/ext/node/polyfills/_fs/_fs_fdatasync.ts
+++ b/ext/node/polyfills/_fs/_fs_fdatasync.ts
@@ -5,6 +5,7 @@
 
 import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
 import { FsFile } from "ext:deno_fs/30_fs.js";
+import { promisify } from "ext:deno_node/internal/util.mjs";
 
 export function fdatasync(
   fd: number,
@@ -19,3 +20,7 @@ export function fdatasync(
 export function fdatasyncSync(fd: number) {
   new FsFile(fd, Symbol.for("Deno.internal.FsFile")).syncDataSync();
 }
+
+export const fdatasyncPromise = promisify(fdatasync) as (
+  fd: number,
+) => Promise<void>;
diff --git a/ext/node/polyfills/_fs/_fs_fsync.ts b/ext/node/polyfills/_fs/_fs_fsync.ts
index a07f440778..1f31dbd808 100644
--- a/ext/node/polyfills/_fs/_fs_fsync.ts
+++ b/ext/node/polyfills/_fs/_fs_fsync.ts
@@ -5,6 +5,7 @@
 
 import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
 import { FsFile } from "ext:deno_fs/30_fs.js";
+import { promisify } from "ext:deno_node/internal/util.mjs";
 
 export function fsync(
   fd: number,
@@ -19,3 +20,5 @@ export function fsync(
 export function fsyncSync(fd: number) {
   new FsFile(fd, Symbol.for("Deno.internal.FsFile")).syncSync();
 }
+
+export const fsyncPromise = promisify(fsync) as (fd: number) => Promise<void>;
diff --git a/ext/node/polyfills/internal/fs/handle.ts b/ext/node/polyfills/internal/fs/handle.ts
index e22c3e0ae6..f18f1e5a6c 100644
--- a/ext/node/polyfills/internal/fs/handle.ts
+++ b/ext/node/polyfills/internal/fs/handle.ts
@@ -16,6 +16,8 @@ import {
 import { ftruncatePromise } from "ext:deno_node/_fs/_fs_ftruncate.ts";
 export type { BigIntStats, Stats } from "ext:deno_node/_fs/_fs_stat.ts";
 import { writevPromise, WriteVResult } from "ext:deno_node/_fs/_fs_writev.ts";
+import { fdatasyncPromise } from "ext:deno_node/_fs/_fs_fdatasync.ts";
+import { fsyncPromise } from "ext:deno_node/_fs/_fs_fsync.ts";
 
 interface WriteResult {
   bytesWritten: number;
@@ -158,6 +160,14 @@ export class FileHandle extends EventEmitter {
     return promises.chmod(this.#path, mode);
   }
 
+  datasync(): Promise<void> {
+    return fsCall(fdatasyncPromise, this);
+  }
+
+  sync(): Promise<void> {
+    return fsCall(fsyncPromise, this);
+  }
+
   utimes(
     atime: number | string | Date,
     mtime: number | string | Date,
diff --git a/tests/node_compat/config.jsonc b/tests/node_compat/config.jsonc
index c2edc32ef6..4d77a290dd 100644
--- a/tests/node_compat/config.jsonc
+++ b/tests/node_compat/config.jsonc
@@ -2,6 +2,7 @@
   "ignore": {
     "common": ["index.js", "internet.js"],
     "fixtures": [
+      "baz.js",
       "child-process-spawn-node.js",
       "echo.js",
       "elipses.txt",
@@ -480,6 +481,7 @@
       "test-fs-opendir.js",
       "test-fs-promises-exists.js",
       "test-fs-promises-file-handle-stat.js",
+      "test-fs-promises-file-handle-sync.js",
       "test-fs-promises-file-handle-write.js",
       "test-fs-promises-readfile-empty.js",
       "test-fs-promises-readfile-with-fd.js",
diff --git a/tests/node_compat/runner/TODO.md b/tests/node_compat/runner/TODO.md
index c885622d6f..c2e360aef5 100644
--- a/tests/node_compat/runner/TODO.md
+++ b/tests/node_compat/runner/TODO.md
@@ -1,7 +1,7 @@
 <!-- deno-fmt-ignore-file -->
 # Remaining Node Tests
 
-1152 tests out of 3681 have been ported from Node 20.11.1 (31.30% ported, 69.22% remaining).
+1154 tests out of 3681 have been ported from Node 20.11.1 (31.35% ported, 69.19% remaining).
 
 NOTE: This file should not be manually edited. Please edit `tests/node_compat/config.json` and run `deno task setup` in `tests/node_compat/runner` dir instead.
 
@@ -673,7 +673,6 @@ NOTE: This file should not be manually edited. Please edit `tests/node_compat/co
 - [parallel/test-fs-promises-file-handle-read.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-read.js)
 - [parallel/test-fs-promises-file-handle-readFile.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-readFile.js)
 - [parallel/test-fs-promises-file-handle-stream.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-stream.js)
-- [parallel/test-fs-promises-file-handle-sync.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-sync.js)
 - [parallel/test-fs-promises-file-handle-truncate.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-truncate.js)
 - [parallel/test-fs-promises-file-handle-writeFile.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-file-handle-writeFile.js)
 - [parallel/test-fs-promises-readfile.js](https://github.com/nodejs/node/tree/v20.11.1/test/parallel/test-fs-promises-readfile.js)
diff --git a/tests/node_compat/test/fixtures/baz.js b/tests/node_compat/test/fixtures/baz.js
new file mode 100644
index 0000000000..27b52d236c
--- /dev/null
+++ b/tests/node_compat/test/fixtures/baz.js
@@ -0,0 +1,8 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 20.11.1
+// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
+
+module.exports = 'perhaps I work';
diff --git a/tests/node_compat/test/parallel/test-fs-promises-file-handle-sync.js b/tests/node_compat/test/parallel/test-fs-promises-file-handle-sync.js
new file mode 100644
index 0000000000..fa7022cb47
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-fs-promises-file-handle-sync.js
@@ -0,0 +1,42 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 20.11.1
+// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
+
+'use strict';
+require('../common');
+const assert = require('assert');
+const fixtures = require('../common/fixtures');
+const tmpdir = require('../common/tmpdir');
+
+const { access, copyFile, open } = require('fs').promises;
+
+async function validate() {
+  tmpdir.refresh();
+  const dest = tmpdir.resolve('baz.js');
+  await assert.rejects(
+    copyFile(fixtures.path('baz.js'), dest, 'r'),
+    {
+      code: 'ERR_INVALID_ARG_TYPE',
+    }
+  );
+  await copyFile(fixtures.path('baz.js'), dest);
+  await assert.rejects(
+    access(dest, 'r'),
+    { code: 'ERR_INVALID_ARG_TYPE', message: /mode/ }
+  );
+  await access(dest);
+  const handle = await open(dest, 'r+');
+  await handle.datasync();
+  await handle.sync();
+  const buf = Buffer.from('hello world');
+  await handle.write(buf);
+  const ret = await handle.read(Buffer.alloc(11), 0, 11, 0);
+  assert.strictEqual(ret.bytesRead, 11);
+  assert.deepStrictEqual(ret.buffer, buf);
+  await handle.close();
+}
+
+validate();
diff --git a/tests/unit_node/_fs/_fs_handle_test.ts b/tests/unit_node/_fs/_fs_handle_test.ts
index d7ae32b5ea..6bf37b6e0e 100644
--- a/tests/unit_node/_fs/_fs_handle_test.ts
+++ b/tests/unit_node/_fs/_fs_handle_test.ts
@@ -300,3 +300,20 @@ Deno.test({
     await fileHandle.close();
   },
 });
+
+Deno.test({
+  name:
+    "[node/fs filehandle.sync] Request that all data for the open file descriptor is flushed to the storage device",
+  async fn() {
+    const fileHandle = await fs.open(testData, "r+");
+
+    await fileHandle.datasync();
+    await fileHandle.sync();
+    const buf = Buffer.from("hello world");
+    await fileHandle.write(buf);
+    const ret = await fileHandle.read(Buffer.alloc(11), 0, 11, 0);
+    assertEquals(ret.bytesRead, 11);
+    assertEquals(ret.buffer, buf);
+    await fileHandle.close();
+  },
+});