diff --git a/src/v0/destinations/google_adwords_enhanced_conversions/networkHandler.js b/src/v0/destinations/google_adwords_enhanced_conversions/networkHandler.js
index a2795a1671..3d92fbde4a 100644
--- a/src/v0/destinations/google_adwords_enhanced_conversions/networkHandler.js
+++ b/src/v0/destinations/google_adwords_enhanced_conversions/networkHandler.js
@@ -1,120 +1,16 @@
 const { get, set } = require('lodash');
-const sha256 = require('sha256');
-const { NetworkError, NetworkInstrumentationError } = require('@rudderstack/integrations-lib');
-const SqlString = require('sqlstring');
-const { prepareProxyRequest, handleHttpRequest } = require('../../../adapters/network');
+const { NetworkError } = require('@rudderstack/integrations-lib');
+const { prepareProxyRequest, proxyRequest } = require('../../../adapters/network');
 const { isHttpStatusSuccess } = require('../../util/index');
-const { CONVERSION_ACTION_ID_CACHE_TTL } = require('./config');
-const Cache = require('../../util/cache');
-
-const conversionActionIdCache = new Cache(CONVERSION_ACTION_ID_CACHE_TTL);
 
 const {
   processAxiosResponse,
   getDynamicErrorType,
 } = require('../../../adapters/utils/networkUtils');
-const { BASE_ENDPOINT } = require('./config');
 
 const tags = require('../../util/tags');
 const { getAuthErrCategory } = require('../../util/googleUtils');
 
-const ERROR_MSG_PATH = 'response[0].error.message';
-
-/**
- *  This function is used for collecting the conversionActionId using the conversion name
- * @param {*} method
- * @param {*} headers
- * @param {*} params
- * @returns
- */
-
-const getConversionActionId = async ({ method, headers, params, metadata }) => {
-  const conversionActionIdKey = sha256(params.event + params.customerId).toString();
-  return conversionActionIdCache.get(conversionActionIdKey, async () => {
-    const queryString = SqlString.format(
-      'SELECT conversion_action.id FROM conversion_action WHERE conversion_action.name = ?',
-      [params.event],
-    );
-    const data = {
-      query: queryString,
-    };
-    const searchStreamEndpoint = `${BASE_ENDPOINT}/${params.customerId}/googleAds:searchStream`;
-    const requestBody = {
-      url: searchStreamEndpoint,
-      data,
-      headers,
-      method,
-    };
-    const { processedResponse: gaecConversionActionIdResponse } = await handleHttpRequest(
-      'constructor',
-      requestBody,
-      {
-        destType: 'google_adwords_enhanced_conversions',
-        feature: 'proxy',
-        endpointPath: `/googleAds:searchStream`,
-        requestMethod: 'POST',
-        module: 'dataDelivery',
-        metadata,
-      },
-    );
-    const { status, response } = gaecConversionActionIdResponse;
-    if (!isHttpStatusSuccess(status)) {
-      throw new NetworkError(
-        `"${JSON.stringify(
-          get(gaecConversionActionIdResponse, ERROR_MSG_PATH, '')
-            ? get(gaecConversionActionIdResponse, ERROR_MSG_PATH, '')
-            : response,
-        )} during Google_adwords_enhanced_conversions response transformation"`,
-        status,
-        {
-          [tags.TAG_NAMES.ERROR_TYPE]: getDynamicErrorType(status),
-        },
-        response,
-        getAuthErrCategory(gaecConversionActionIdResponse),
-      );
-    }
-    const conversionActionId = get(
-      gaecConversionActionIdResponse,
-      'response[0].results[0].conversionAction.id',
-    );
-    if (!conversionActionId) {
-      throw new NetworkInstrumentationError(
-        `Unable to find conversionActionId for conversion:${params.event}`,
-      );
-    }
-    return conversionActionId;
-  });
-};
-
-/**
- * This function is responsible for collecting the conversionActionId
- * and calling the enhanced conversion.
- * data to customer list.
- * @param {*} request
- * @returns
- */
-const ProxyRequest = async (request) => {
-  const { body, method, endpoint, params, metadata } = request;
-  const { headers } = request;
-
-  const conversionActionId = await getConversionActionId({ method, headers, params, metadata });
-
-  set(
-    body.JSON,
-    'conversionAdjustments[0].conversionAction',
-    `customers/${params.customerId}/conversionActions/${conversionActionId}`,
-  );
-  const requestBody = { url: endpoint, data: body.JSON, headers, method };
-  const { httpResponse: response } = await handleHttpRequest('constructor', requestBody, {
-    destType: 'google_adwords_enhanced_conversions',
-    feature: 'proxy',
-    endpointPath: `/googleAds:uploadOfflineUserData`,
-    requestMethod: 'POST',
-    module: 'dataDelivery',
-    metadata,
-  });
-  return response;
-};
 
 const responseHandler = (responseParams) => {
   const { destinationResponse } = responseParams;
@@ -159,7 +55,7 @@ const responseHandler = (responseParams) => {
 // eslint-disable-next-line func-names, @typescript-eslint/naming-convention
 class networkHandler {
   constructor() {
-    this.proxy = ProxyRequest;
+    this.proxy = proxyRequest;
     this.responseHandler = responseHandler;
     this.processAxiosResponse = processAxiosResponse;
     this.prepareProxy = prepareProxyRequest;
diff --git a/src/v0/destinations/google_adwords_enhanced_conversions/transform.js b/src/v0/destinations/google_adwords_enhanced_conversions/transform.js
index 55d0c16c8c..e1e702280a 100644
--- a/src/v0/destinations/google_adwords_enhanced_conversions/transform.js
+++ b/src/v0/destinations/google_adwords_enhanced_conversions/transform.js
@@ -2,7 +2,7 @@
 
 const get = require('get-value');
 const { cloneDeep } = require('lodash');
-const { InstrumentationError, ConfigurationError } = require('@rudderstack/integrations-lib');
+const { InstrumentationError, ConfigurationError, isDefinedAndNotNull } = require('@rudderstack/integrations-lib');
 const {
   constructPayload,
   defaultRequestConfig,
@@ -57,6 +57,15 @@ const responseBuilder = async (metadata, message, { Config }, payload) => {
 const processTrackEvent = async (metadata, message, destination) => {
   let flag = 0;
   const { Config } = destination;
+
+  if (Config.fetchCustomerIdUsingOAuth && isDefinedAndNotNull(Config.configData)) {
+    const configDetails = JSON.parse(Config.configData);
+    Config.customerId = configDetails.customerId;
+    if (configDetails.loginCustomerId) {
+      Config.loginCustomerId = configDetails.loginCustomerId;
+    }
+  }
+
   const { event } = message;
   const { listOfConversions } = Config;
   if (listOfConversions.some((i) => i.conversions === event)) {