diff --git components/embedder_support/user_agent_utils.cc components/embedder_support/user_agent_utils.cc
index dfa5022f7636e..fa880d2ea9acd 100644
--- components/embedder_support/user_agent_utils.cc
+++ components/embedder_support/user_agent_utils.cc
@@ -12,6 +12,7 @@
 #include "base/system/sys_info.h"
 #include "build/branding_buildflags.h"
 #include "build/build_config.h"
+#include "cef/libcef/common/cef_switches.h"
 #include "components/embedder_support/switches.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/web_contents.h"
@@ -113,6 +114,12 @@ std::string GetUniversalApiContractVersion() {
 #endif  // defined(OS_WIN)
 
 std::string GetProduct() {
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kUserAgentProductAndVersion)) {
+    return command_line->GetSwitchValueASCII(
+        switches::kUserAgentProductAndVersion);
+  }
+
   return version_info::GetProductNameAndVersionForUserAgent();
 }