diff --git a/.github/workflows/ci-python.yml b/.github/workflows/ci-python.yml
index 9cab85f421c6d..ad3effcdbb203 100644
--- a/.github/workflows/ci-python.yml
+++ b/.github/workflows/ci-python.yml
@@ -49,6 +49,28 @@ jobs:
       run: |
         bazel test --local_test_jobs 1 --flaky_test_attempts 3 //py:test-remote
 
+  selenium-manager-tests:
+    name: Selenium Manager Tests (${{ matrix.os }})
+    needs: build
+    uses: ./.github/workflows/bazel.yml
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu, windows, macos]
+    with:
+      name: Selenium Manager Tests (${{ matrix.os }})
+      os: ${{ matrix.os }}
+      run: |
+        bazel test \
+          --keep_going \
+          --build_tests_only \
+          --flaky_test_attempts 3 \
+          --local_test_jobs 1 \
+          --pin_browsers=false \
+          --test_size_filters medium \
+          --test_tag_filters="manager,-ie,-safari" \
+          //py:test-sm
+
   browser-tests:
     name: Browser Tests
     needs: build
diff --git a/py/BUILD.bazel b/py/BUILD.bazel
index 93b7072604b1f..8da871445885d 100644
--- a/py/BUILD.bazel
+++ b/py/BUILD.bazel
@@ -812,6 +812,51 @@ BROWSER_TESTS = {
     ]
 ]
 
+# Generate test-<browser>-sm targets (Selenium Manager integration tests)
+# These only run when SE_FORCE_BROWSER_DOWNLOAD=true is set and use
+# --pin_browsers=false to test SM download resolution.
+[
+    py_test_suite(
+        name = "test-%s-sm" % browser,
+        size = "medium",
+        srcs = ["test/selenium/webdriver/%s/%s_service_tests.py" % (browser, browser)],
+        args = [
+            "--instafail",
+            "-k",
+            "selenium_manager",
+        ] + BROWSERS[browser]["args"],
+        data = BROWSERS[browser]["data"],
+        env = {
+            "SE_FORCE_BROWSER_DOWNLOAD": "true",
+            "SE_SKIP_DRIVER_IN_PATH": "true",
+        },
+        tags = [
+            "manager",
+            "no-sandbox",
+            "requires-network",
+        ],
+        deps = [
+            ":init-tree",
+            ":selenium",
+        ] + TEST_DEPS,
+    )
+    for browser in [
+        "chrome",
+        "edge",
+        "firefox",
+    ]
+]
+
+test_suite(
+    name = "test-sm",
+    tags = ["manager"],
+    tests = [
+        ":test-chrome-sm",
+        ":test-edge-sm",
+        ":test-firefox-sm",
+    ],
+)
+
 test_suite(
     name = "test-remote",
     tags = ["remote"],
diff --git a/py/test/selenium/webdriver/chrome/chrome_service_tests.py b/py/test/selenium/webdriver/chrome/chrome_service_tests.py
index 7fd1bd8193605..930b261ec5d82 100644
--- a/py/test/selenium/webdriver/chrome/chrome_service_tests.py
+++ b/py/test/selenium/webdriver/chrome/chrome_service_tests.py
@@ -18,12 +18,14 @@
 import os
 import subprocess
 import sys
+from pathlib import Path
 from unittest.mock import patch
 
 import pytest
 
 from selenium.common.exceptions import SessionNotCreatedException
 from selenium.webdriver.chrome.service import Service
+from selenium.webdriver.common.driver_finder import DriverFinder
 
 
 @pytest.mark.no_driver_after_test
@@ -142,6 +144,41 @@ def test_service_allows_reusing_stdout_for_logging(clean_driver, clean_options,
             browser2.quit()
 
 
+def _is_within_cache(path: Path, cache_dir: Path) -> bool:
+    """Check if a path is within a given cache directory."""
+    try:
+        path.relative_to(cache_dir)
+        return True
+    except ValueError:
+        return False
+
+
+@pytest.mark.skipif(
+    not os.environ.get("SE_FORCE_BROWSER_DOWNLOAD"),
+    reason="Only runs when SE_FORCE_BROWSER_DOWNLOAD is set",
+)
+def test_selenium_manager_resolves_browser_and_driver(clean_options) -> None:
+    """Verify Selenium Manager resolves both driver and browser via DriverFinder.
+
+    These paths should point to executable files downloaded into the SM cache.
+    """
+    cache_dir = Path(os.environ.get("SE_CACHE_PATH", Path.home() / ".cache" / "selenium"))
+    service = Service()
+    driver_finder = DriverFinder(service, clean_options)
+
+    driver_path = Path(driver_finder.get_driver_path())
+    browser_path = Path(driver_finder.get_browser_path())
+
+    assert driver_path.is_file(), f"Driver not found: {driver_path}"
+    assert browser_path.is_file(), f"Browser not found: {browser_path}"
+
+    assert os.access(str(driver_path), os.X_OK), f"Driver not executable: {driver_path}"
+    assert os.access(str(browser_path), os.X_OK), f"Browser not executable: {browser_path}"
+
+    assert _is_within_cache(driver_path, cache_dir), f"Driver path outside cache: {driver_path}"
+    assert _is_within_cache(browser_path, cache_dir), f"Browser path outside cache: {browser_path}"
+
+
 @pytest.fixture
 def service():
     return Service()
diff --git a/py/test/selenium/webdriver/edge/edge_service_tests.py b/py/test/selenium/webdriver/edge/edge_service_tests.py
index 8443bacafca4a..a8b230378add3 100644
--- a/py/test/selenium/webdriver/edge/edge_service_tests.py
+++ b/py/test/selenium/webdriver/edge/edge_service_tests.py
@@ -18,11 +18,13 @@
 import os
 import subprocess
 import sys
+from pathlib import Path
 from unittest.mock import patch
 
 import pytest
 
 from selenium.common.exceptions import SessionNotCreatedException
+from selenium.webdriver.common.driver_finder import DriverFinder
 from selenium.webdriver.edge.service import Service
 
 
@@ -142,6 +144,41 @@ def test_service_allows_reusing_stdout_for_logging(clean_driver, clean_options,
             browser2.quit()
 
 
+def _is_within_cache(path: Path, cache_dir: Path) -> bool:
+    """Check if a path is within a given cache directory."""
+    try:
+        path.relative_to(cache_dir)
+        return True
+    except ValueError:
+        return False
+
+
+@pytest.mark.skipif(
+    not os.environ.get("SE_FORCE_BROWSER_DOWNLOAD"),
+    reason="Only runs when SE_FORCE_BROWSER_DOWNLOAD is set",
+)
+def test_selenium_manager_resolves_browser_and_driver(clean_options) -> None:
+    """Verify Selenium Manager resolves both driver and browser via DriverFinder.
+
+    These paths should point to executable files downloaded into the SM cache.
+    """
+    cache_dir = Path(os.environ.get("SE_CACHE_PATH", Path.home() / ".cache" / "selenium"))
+    service = Service()
+    driver_finder = DriverFinder(service, clean_options)
+
+    driver_path = Path(driver_finder.get_driver_path())
+    browser_path = Path(driver_finder.get_browser_path())
+
+    assert driver_path.is_file(), f"Driver not found: {driver_path}"
+    assert browser_path.is_file(), f"Browser not found: {browser_path}"
+
+    assert os.access(str(driver_path), os.X_OK), f"Driver not executable: {driver_path}"
+    assert os.access(str(browser_path), os.X_OK), f"Browser not executable: {browser_path}"
+
+    assert _is_within_cache(driver_path, cache_dir), f"Driver path outside cache: {driver_path}"
+    assert _is_within_cache(browser_path, cache_dir), f"Browser path outside cache: {browser_path}"
+
+
 @pytest.fixture
 def service():
     return Service()
diff --git a/py/test/selenium/webdriver/firefox/firefox_service_tests.py b/py/test/selenium/webdriver/firefox/firefox_service_tests.py
index 1c28feea45794..200bcbdb9e457 100644
--- a/py/test/selenium/webdriver/firefox/firefox_service_tests.py
+++ b/py/test/selenium/webdriver/firefox/firefox_service_tests.py
@@ -18,12 +18,14 @@
 import os
 import subprocess
 import sys
+from pathlib import Path
 from unittest.mock import patch
 
 import pytest
 
 from selenium.common.exceptions import SessionNotCreatedException
 from selenium.webdriver import Firefox
+from selenium.webdriver.common.driver_finder import DriverFinder
 from selenium.webdriver.firefox.options import Options
 from selenium.webdriver.firefox.service import Service
 
@@ -93,6 +95,41 @@ def test_service_allows_reusing_stdout_for_logging(clean_driver, clean_options,
             browser2.quit()
 
 
+def _is_within_cache(path: Path, cache_dir: Path) -> bool:
+    """Check if a path is within a given cache directory."""
+    try:
+        path.relative_to(cache_dir)
+        return True
+    except ValueError:
+        return False
+
+
+@pytest.mark.skipif(
+    not os.environ.get("SE_FORCE_BROWSER_DOWNLOAD"),
+    reason="Only runs when SE_FORCE_BROWSER_DOWNLOAD is set",
+)
+def test_selenium_manager_resolves_browser_and_driver(clean_options) -> None:
+    """Verify Selenium Manager resolves both driver and browser via DriverFinder.
+
+    These paths should point to executable files downloaded into the SM cache.
+    """
+    cache_dir = Path(os.environ.get("SE_CACHE_PATH", Path.home() / ".cache" / "selenium"))
+    service = Service()
+    driver_finder = DriverFinder(service, clean_options)
+
+    driver_path = Path(driver_finder.get_driver_path())
+    browser_path = Path(driver_finder.get_browser_path())
+
+    assert driver_path.is_file(), f"Driver not found: {driver_path}"
+    assert browser_path.is_file(), f"Browser not found: {browser_path}"
+
+    assert os.access(str(driver_path), os.X_OK), f"Driver not executable: {driver_path}"
+    assert os.access(str(browser_path), os.X_OK), f"Browser not executable: {browser_path}"
+
+    assert _is_within_cache(driver_path, cache_dir), f"Driver path outside cache: {driver_path}"
+    assert _is_within_cache(browser_path, cache_dir), f"Browser path outside cache: {browser_path}"
+
+
 @pytest.fixture
 def service():
     return Service()