diff --git a/src/course-outline/section-card/SectionCard.test.tsx b/src/course-outline/section-card/SectionCard.test.tsx
index ca5973b540..ebcf3977ec 100644
--- a/src/course-outline/section-card/SectionCard.test.tsx
+++ b/src/course-outline/section-card/SectionCard.test.tsx
@@ -1,10 +1,21 @@
 import {
-  act, fireEvent, initializeMocks, render, screen, within,
+  act, fireEvent, initializeMocks, render, screen, waitFor, within,
 } from '@src/testUtils';
 import { XBlock } from '@src/data/types';
 import SectionCard from './SectionCard';
 
 const mockPathname = '/foo-bar';
+const mockUseAcceptLibraryBlockChanges = jest.fn();
+const mockUseIgnoreLibraryBlockChanges = jest.fn();
+
+jest.mock('@src/course-unit/data/apiHooks', () => ({
+  useAcceptLibraryBlockChanges: () => ({
+    mutateAsync: mockUseAcceptLibraryBlockChanges,
+  }),
+  useIgnoreLibraryBlockChanges: () => ({
+    mutateAsync: mockUseIgnoreLibraryBlockChanges,
+  }),
+}));
 
 jest.mock('react-router-dom', () => ({
   ...jest.requireActual('react-router-dom'),
@@ -213,4 +224,51 @@ describe('<SectionCard />', () => {
     expect(cardSubsections).toBeNull();
     expect(newSubsectionButton).toBeNull();
   });
+
+  it('should sync section changes from upstream', async () => {
+    renderComponent();
+
+    expect(await screen.findByTestId('section-card-header')).toBeInTheDocument();
+
+    // Click on sync button
+    const syncButton = screen.getByRole('button', { name: /update available - click to sync/i });
+    fireEvent.click(syncButton);
+
+    // Should open compare preview modal
+    expect(screen.getByRole('heading', { name: /preview changes: section name/i })).toBeInTheDocument();
+    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+
+    // Click on accept changes
+    const acceptChangesButton = screen.getByText(/accept changes/i);
+    fireEvent.click(acceptChangesButton);
+
+    await waitFor(() => expect(mockUseAcceptLibraryBlockChanges).toHaveBeenCalled());
+  });
+
+  it('should decline sync section changes from upstream', async () => {
+    renderComponent();
+
+    expect(await screen.findByTestId('section-card-header')).toBeInTheDocument();
+
+    // Click on sync button
+    const syncButton = screen.getByRole('button', { name: /update available - click to sync/i });
+    fireEvent.click(syncButton);
+
+    // Should open compare preview modal
+    expect(screen.getByRole('heading', { name: /preview changes: section name/i })).toBeInTheDocument();
+    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+
+    // Click on ignore changes
+    const ignoreChangesButton = screen.getByRole('button', { name: /ignore changes/i });
+    fireEvent.click(ignoreChangesButton);
+
+    // Should open the confirmation modal
+    expect(screen.getByRole('heading', { name: /ignore these changes\?/i })).toBeInTheDocument();
+
+    // Click on ignore button
+    const ignoreButton = screen.getByRole('button', { name: /ignore/i });
+    fireEvent.click(ignoreButton);
+
+    await waitFor(() => expect(mockUseIgnoreLibraryBlockChanges).toHaveBeenCalled());
+  });
 });
diff --git a/src/course-outline/section-card/SectionCard.tsx b/src/course-outline/section-card/SectionCard.tsx
index 7d0abade12..3a6a4c089a 100644
--- a/src/course-outline/section-card/SectionCard.tsx
+++ b/src/course-outline/section-card/SectionCard.tsx
@@ -1,5 +1,5 @@
 import {
-  useContext, useEffect, useState, useRef, useCallback, ReactNode,
+  useContext, useEffect, useState, useRef, useCallback, ReactNode, useMemo,
 } from 'react';
 import { useDispatch } from 'react-redux';
 import { useIntl } from '@edx/frontend-platform/i18n';
@@ -17,6 +17,7 @@ import SortableItem from '@src/course-outline/drag-helper/SortableItem';
 import { DragContext } from '@src/course-outline/drag-helper/DragContextProvider';
 import TitleButton from '@src/course-outline/card-header/TitleButton';
 import XBlockStatus from '@src/course-outline/xblock-status/XBlockStatus';
+import { fetchCourseSectionQuery } from '@src/course-outline/data/thunk';
 import { getItemStatus, getItemStatusBorder, scrollToElement } from '@src/course-outline/utils';
 import OutlineAddChildButtons from '@src/course-outline/OutlineAddChildButtons';
 import { ContainerType } from '@src/generic/key-utils';
@@ -24,6 +25,7 @@ import { ComponentPicker, SelectedComponent } from '@src/library-authoring';
 import { ContentType } from '@src/library-authoring/routes';
 import { COMPONENT_TYPES } from '@src/generic/block-type-utils/constants';
 import { XBlock } from '@src/data/types';
+import { PreviewLibraryXBlockChanges } from '@src/course-unit/preview-changes';
 import messages from './messages';
 
 interface SectionCardProps {
@@ -107,6 +109,7 @@ const SectionCard = ({
   };
   const [isExpanded, setIsExpanded] = useState(containsSearchResult() || isSectionsExpanded);
   const [isFormOpen, openForm, closeForm] = useToggle(false);
+  const [isSyncModalOpen, openSyncModal, closeSyncModal] = useToggle(false);
   const namePrefix = 'section';
 
   useEffect(() => {
@@ -123,8 +126,22 @@ const SectionCard = ({
     highlights,
     actions: sectionActions,
     isHeaderVisible = true,
+    upstreamInfo,
   } = section;
 
+  const blockSyncData = useMemo(() => {
+    if (!upstreamInfo?.readyToSync) {
+      return undefined;
+    }
+    return {
+      displayName,
+      downstreamBlockId: id,
+      upstreamBlockId: upstreamInfo.upstreamRef,
+      upstreamBlockVersionSynced: upstreamInfo.versionSynced,
+      isVertical: true,
+    };
+  }, [upstreamInfo]);
+
   useEffect(() => {
     if (activeId === id && isExpanded) {
       setIsExpanded(false);
@@ -148,6 +165,10 @@ const SectionCard = ({
     setIsExpanded((prevState) => containsSearchResult() || prevState);
   }, [locatorId, setIsExpanded]);
 
+  const handleOnPostChangeSync = useCallback(() => {
+    dispatch(fetchCourseSectionQuery([section.id]));
+  }, [dispatch, section]);
+
   // re-create actions object for customizations
   const actions = { ...sectionActions };
   // add actions to control display of move up & down menu buton.
@@ -225,7 +246,7 @@ const SectionCard = ({
       isExpanded={isExpanded}
       onTitleClick={handleExpandContent}
       namePrefix={namePrefix}
-      prefixIcon={!!section.upstreamInfo?.upstreamRef && (
+      prefixIcon={!!upstreamInfo?.upstreamRef && (
         <Icon src={Newsstand} className="mr-1" />
       )}
     />
@@ -264,6 +285,7 @@ const SectionCard = ({
                 onClickDelete={onOpenDeleteModal}
                 onClickMoveUp={handleSectionMoveUp}
                 onClickMoveDown={handleSectionMoveDown}
+                onClickSync={openSyncModal}
                 isFormOpen={isFormOpen}
                 closeForm={closeForm}
                 onEditSubmit={handleEditSubmit}
@@ -272,6 +294,7 @@ const SectionCard = ({
                 titleComponent={titleComponent}
                 namePrefix={namePrefix}
                 actions={actions}
+                readyToSync={upstreamInfo?.readyToSync}
               />
             )}
             <div className="section-card__content" data-testid="section-card__content">
@@ -327,6 +350,14 @@ const SectionCard = ({
           visibleTabs={[ContentType.subsections]}
         />
       </StandardModal>
+      {blockSyncData && (
+        <PreviewLibraryXBlockChanges
+          blockData={blockSyncData}
+          isModalOpen={isSyncModalOpen}
+          closeModal={closeSyncModal}
+          postChange={handleOnPostChangeSync}
+        />
+      )}
     </>
   );
 };
diff --git a/src/course-outline/subsection-card/SubsectionCard.test.tsx b/src/course-outline/subsection-card/SubsectionCard.test.tsx
index efa429faf4..dd64ca1a55 100644
--- a/src/course-outline/subsection-card/SubsectionCard.test.tsx
+++ b/src/course-outline/subsection-card/SubsectionCard.test.tsx
@@ -1,6 +1,6 @@
 import { COMPONENT_TYPES } from '@src/generic/block-type-utils/constants';
 import {
-  act, fireEvent, initializeMocks, render, screen, within,
+  act, fireEvent, initializeMocks, render, screen, waitFor, within,
 } from '@src/testUtils';
 import { XBlock } from '@src/data/types';
 import cardHeaderMessages from '../card-header/messages';
@@ -11,6 +11,18 @@ const mockPathname = '/foo-bar';
 const containerKey = 'lct:org:lib:unit:1';
 const handleOnAddUnitFromLibrary = jest.fn();
 
+const mockUseAcceptLibraryBlockChanges = jest.fn();
+const mockUseIgnoreLibraryBlockChanges = jest.fn();
+
+jest.mock('@src/course-unit/data/apiHooks', () => ({
+  useAcceptLibraryBlockChanges: () => ({
+    mutateAsync: mockUseAcceptLibraryBlockChanges,
+  }),
+  useIgnoreLibraryBlockChanges: () => ({
+    mutateAsync: mockUseIgnoreLibraryBlockChanges,
+  }),
+}));
+
 jest.mock('react-router-dom', () => ({
   ...jest.requireActual('react-router-dom'),
   useLocation: () => ({
@@ -290,4 +302,51 @@ describe('<SubsectionCard />', () => {
       libraryContentKey: containerKey,
     });
   });
+
+  it('should sync subsection changes from upstream', async () => {
+    renderComponent();
+
+    expect(await screen.findByTestId('subsection-card-header')).toBeInTheDocument();
+
+    // Click on sync button
+    const syncButton = screen.getByRole('button', { name: /update available - click to sync/i });
+    fireEvent.click(syncButton);
+
+    // Should open compare preview modal
+    expect(screen.getByRole('heading', { name: /preview changes: subsection name/i })).toBeInTheDocument();
+    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+
+    // Click on accept changes
+    const acceptChangesButton = screen.getByText(/accept changes/i);
+    fireEvent.click(acceptChangesButton);
+
+    await waitFor(() => expect(mockUseAcceptLibraryBlockChanges).toHaveBeenCalled());
+  });
+
+  it('should decline sync subsection changes from upstream', async () => {
+    renderComponent();
+
+    expect(await screen.findByTestId('subsection-card-header')).toBeInTheDocument();
+
+    // Click on sync button
+    const syncButton = screen.getByRole('button', { name: /update available - click to sync/i });
+    fireEvent.click(syncButton);
+
+    // Should open compare preview modal
+    expect(screen.getByRole('heading', { name: /preview changes: subsection name/i })).toBeInTheDocument();
+    expect(screen.getByText('Preview not available')).toBeInTheDocument();
+
+    // Click on ignore changes
+    const ignoreChangesButton = screen.getByRole('button', { name: /ignore changes/i });
+    fireEvent.click(ignoreChangesButton);
+
+    // Should open the confirmation modal
+    expect(screen.getByRole('heading', { name: /ignore these changes\?/i })).toBeInTheDocument();
+
+    // Click on ignore button
+    const ignoreButton = screen.getByRole('button', { name: /ignore/i });
+    fireEvent.click(ignoreButton);
+
+    await waitFor(() => expect(mockUseIgnoreLibraryBlockChanges).toHaveBeenCalled());
+  });
 });
diff --git a/src/course-outline/subsection-card/SubsectionCard.tsx b/src/course-outline/subsection-card/SubsectionCard.tsx
index 5d6e04b948..881206e63b 100644
--- a/src/course-outline/subsection-card/SubsectionCard.tsx
+++ b/src/course-outline/subsection-card/SubsectionCard.tsx
@@ -1,5 +1,5 @@
 import React, {
-  useContext, useEffect, useState, useRef, useCallback, ReactNode,
+  useContext, useEffect, useState, useRef, useCallback, ReactNode, useMemo,
 } from 'react';
 import { useDispatch } from 'react-redux';
 import { useSearchParams } from 'react-router-dom';
@@ -17,6 +17,7 @@ import SortableItem from '@src/course-outline/drag-helper/SortableItem';
 import { DragContext } from '@src/course-outline/drag-helper/DragContextProvider';
 import { useClipboard, PasteComponent } from '@src/generic/clipboard';
 import TitleButton from '@src/course-outline/card-header/TitleButton';
+import { fetchCourseSectionQuery } from '@src/course-outline/data/thunk';
 import XBlockStatus from '@src/course-outline/xblock-status/XBlockStatus';
 import { getItemStatus, getItemStatusBorder, scrollToElement } from '@src/course-outline/utils';
 import { ComponentPicker, SelectedComponent } from '@src/library-authoring';
@@ -25,6 +26,7 @@ import { ContainerType } from '@src/generic/key-utils';
 import { ContentType } from '@src/library-authoring/routes';
 import OutlineAddChildButtons from '@src/course-outline/OutlineAddChildButtons';
 import { XBlock } from '@src/data/types';
+import { PreviewLibraryXBlockChanges } from '@src/course-unit/preview-changes';
 import messages from './messages';
 
 interface SubsectionCardProps {
@@ -86,6 +88,7 @@ const SubsectionCard = ({
   const locatorId = searchParams.get('show');
   const isScrolledToElement = locatorId === subsection.id;
   const [isFormOpen, openForm, closeForm] = useToggle(false);
+  const [isSyncModalOpen, openSyncModal, closeSyncModal] = useToggle(false);
   const namePrefix = 'subsection';
   const { sharedClipboardData, showPasteUnit } = useClipboard();
   const [
@@ -105,8 +108,22 @@ const SubsectionCard = ({
     isHeaderVisible = true,
     enableCopyPasteUnits = false,
     proctoringExamConfigurationLink,
+    upstreamInfo,
   } = subsection;
 
+  const blockSyncData = useMemo(() => {
+    if (!upstreamInfo?.readyToSync) {
+      return undefined;
+    }
+    return {
+      displayName,
+      downstreamBlockId: id,
+      upstreamBlockId: upstreamInfo.upstreamRef,
+      upstreamBlockVersionSynced: upstreamInfo.versionSynced,
+      isVertical: true,
+    };
+  }, [upstreamInfo]);
+
   // re-create actions object for customizations
   const actions = { ...subsectionActions };
   // add actions to control display of move up & down menu button.
@@ -145,6 +162,10 @@ const SubsectionCard = ({
     dispatch(setCurrentItem(subsection));
   };
 
+  const handleOnPostChangeSync = useCallback(() => {
+    dispatch(fetchCourseSectionQuery([section.id]));
+  }, [dispatch, section]);
+
   const handleEditSubmit = (titleValue: string) => {
     if (displayName !== titleValue) {
       onEditSubmit(id, section.id, titleValue);
@@ -171,7 +192,7 @@ const SubsectionCard = ({
       isExpanded={isExpanded}
       onTitleClick={handleExpandContent}
       namePrefix={namePrefix}
-      prefixIcon={!!subsection.upstreamInfo?.upstreamRef && (
+      prefixIcon={!!upstreamInfo?.upstreamRef && (
         <Icon src={Newsstand} className="mr-1" />
       )}
     />
@@ -262,6 +283,7 @@ const SubsectionCard = ({
                 onClickMoveUp={handleSubsectionMoveUp}
                 onClickMoveDown={handleSubsectionMoveDown}
                 onClickConfigure={onOpenConfigureModal}
+                onClickSync={openSyncModal}
                 isFormOpen={isFormOpen}
                 closeForm={closeForm}
                 onEditSubmit={handleEditSubmit}
@@ -273,6 +295,7 @@ const SubsectionCard = ({
                 proctoringExamConfigurationLink={proctoringExamConfigurationLink}
                 isSequential
                 extraActionsComponent={extraActionsComponent}
+                readyToSync={upstreamInfo?.readyToSync}
               />
               <div className="subsection-card__content item-children" data-testid="subsection-card__content">
                 <XBlockStatus
@@ -325,6 +348,14 @@ const SubsectionCard = ({
           visibleTabs={[ContentType.units]}
         />
       </StandardModal>
+      {blockSyncData && (
+        <PreviewLibraryXBlockChanges
+          blockData={blockSyncData}
+          isModalOpen={isSyncModalOpen}
+          closeModal={closeSyncModal}
+          postChange={handleOnPostChangeSync}
+        />
+      )}
     </>
   );
 };