diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd60dc2fc..8a95ee626 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ v2.5.6 (FUTURE)
 ## Bug Fixes
 
 * [#2844](https://github.com/digitalocean/netbox/issues/2844) - Correct display of far cable end for pass-through ports
+* [#2845](https://github.com/digitalocean/netbox/issues/2845) - Enable filtering of rack unit list by unit ID
 * [#2856](https://github.com/digitalocean/netbox/issues/2856) - Fix navigation links between LAG interfaces and their members on device view
 * [#2857](https://github.com/digitalocean/netbox/issues/2857) - Add `display_name` to DeviceType API serializer; fix DeviceType list for bulk device edit
 
diff --git a/netbox/dcim/api/views.py b/netbox/dcim/api/views.py
index d01358447..4e14d8163 100644
--- a/netbox/dcim/api/views.py
+++ b/netbox/dcim/api/views.py
@@ -159,6 +159,11 @@ class RackViewSet(CustomFieldModelViewSet):
                 exclude_pk = None
         elevation = rack.get_rack_units(face, exclude_pk)
 
+        # Enable filtering rack units by ID
+        q = request.GET.get('q', None)
+        if q:
+            elevation = [u for u in elevation if q in str(u['id'])]
+
         page = self.paginate_queryset(elevation)
         if page is not None:
             rack_units = serializers.RackUnitSerializer(page, many=True, context={'request': request})