diff --git a/frontend/app/(main)/COMPANY_16/development/ebom-regist/page.tsx b/frontend/app/(main)/COMPANY_16/development/ebom-regist/page.tsx
index df1cf2a9..a5a76a02 100644
--- a/frontend/app/(main)/COMPANY_16/development/ebom-regist/page.tsx
+++ b/frontend/app/(main)/COMPANY_16/development/ebom-regist/page.tsx
@@ -17,6 +17,7 @@ import { DataGrid, DataGridColumn } from "@/components/common/DataGrid";
 import { CommCodeSelect } from "@/components/common/CommCodeSelect";
 import { devBomApi, BomReportListFilter, BomReportRow } from "@/lib/api/devBom";
 import { BomReportStatusDialog } from "@/components/development/BomReportStatusDialog";
+import { DevPartSelect } from "@/components/development/DevPartSelect";
 import { BomReportExcelImportDialog } from "@/components/development/BomReportExcelImportDialog";
 import { BomReportTreeDialog } from "@/components/development/BomReportTreeDialog";
 
@@ -135,19 +136,24 @@ export default function EbomRegistPage() {
                 <option key={o.code} value={o.code}>{o.label}</option>)}
             </select>
           </Field>
+          {/* wace structureList.jsp 1:1 — select2-part 자동완성 (양방향 동기) */}
           <Field label="품번">
-            <Input
-              value={filter.search_part_no ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_no: e.target.value })}
-              placeholder="품번 LIKE"
-            />
+            <DevPartSelect mode="partNo"
+                           value={filter.search_part_no ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_no: v,
+                             search_part_name: row?.part_name ?? prev.search_part_name,
+                           }))} />
           </Field>
           <Field label="품명">
-            <Input
-              value={filter.search_part_name ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_name: e.target.value })}
-              placeholder="품명 LIKE"
-            />
+            <DevPartSelect mode="partName"
+                           value={filter.search_part_name ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_name: v,
+                             search_part_no: row?.part_no ?? prev.search_part_no,
+                           }))} />
           </Field>
         </div>
         <div className="mt-3 flex items-center justify-between">
diff --git a/frontend/app/(main)/COMPANY_16/development/part-regist/page.tsx b/frontend/app/(main)/COMPANY_16/development/part-regist/page.tsx
index a5e3be52..47f976f3 100644
--- a/frontend/app/(main)/COMPANY_16/development/part-regist/page.tsx
+++ b/frontend/app/(main)/COMPANY_16/development/part-regist/page.tsx
@@ -18,6 +18,7 @@ import { devPartApi, PartListFilter, PartRow } from "@/lib/api/devPart";
 import { PartFormDialog } from "@/components/development/PartFormDialog";
 import { PartDetailDialog } from "@/components/development/PartDetailDialog";
 import { PartExcelImportDialog } from "@/components/development/PartExcelImportDialog";
+import { DevPartSelect } from "@/components/development/DevPartSelect";
 
 // wace 23셀 + 부속 (PARENT_PART_INFO/PARTNER_TITLE/Q_QTY)
 const GRID_COLUMNS: DataGridColumn[] = [
@@ -157,21 +158,26 @@ export default function PartRegistPage() {
       {/* 검색폼 — wace partMngTempList.jsp 활성 2필드 */}
       <div className="border-b bg-card px-4 py-3">
         <div className="flex flex-wrap items-end gap-4">
-          <div className="min-w-[200px]">
+          {/* wace partMngTempList.jsp 1:1 — select2-part 자동완성 (양방향 동기) */}
+          <div className="min-w-[220px]">
             <Label className="mb-1 block text-xs text-muted-foreground">품번</Label>
-            <Input
-              value={filter.search_part_no ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_no: e.target.value })}
-              placeholder="품번 LIKE"
-            />
+            <DevPartSelect mode="partNo"
+                           value={filter.search_part_no ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_no: v,
+                             search_part_name: row?.part_name ?? prev.search_part_name,
+                           }))} />
           </div>
-          <div className="min-w-[200px]">
+          <div className="min-w-[220px]">
             <Label className="mb-1 block text-xs text-muted-foreground">품명</Label>
-            <Input
-              value={filter.search_part_name ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_name: e.target.value })}
-              placeholder="품명 LIKE"
-            />
+            <DevPartSelect mode="partName"
+                           value={filter.search_part_name ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_name: v,
+                             search_part_no: row?.part_no ?? prev.search_part_no,
+                           }))} />
           </div>
           <div className="ml-auto flex items-end gap-2">
             <Button variant="outline" size="sm"
diff --git a/frontend/app/(main)/COMPANY_16/development/part-search/page.tsx b/frontend/app/(main)/COMPANY_16/development/part-search/page.tsx
index bbe55441..2cd67a50 100644
--- a/frontend/app/(main)/COMPANY_16/development/part-search/page.tsx
+++ b/frontend/app/(main)/COMPANY_16/development/part-search/page.tsx
@@ -18,6 +18,7 @@ import { devPartApi, PartListFilter, PartRow } from "@/lib/api/devPart";
 import { PartFormDialog } from "@/components/development/PartFormDialog";
 import { PartDetailDialog } from "@/components/development/PartDetailDialog";
 import { PartExcelImportDialog } from "@/components/development/PartExcelImportDialog";
+import { DevPartSelect } from "@/components/development/DevPartSelect";
 
 const GRID_COLUMNS: DataGridColumn[] = [
   { key: "part_no", label: "품번", width: "w-[140px]", frozen: true },
@@ -125,21 +126,26 @@ export default function PartSearchPage() {
     <div className="flex h-full flex-col">
       <div className="border-b bg-card px-4 py-3">
         <div className="flex flex-wrap items-end gap-4">
-          <div className="min-w-[200px]">
+          {/* wace partMngList.jsp 1:1 — select2-part 자동완성 (양방향 동기) */}
+          <div className="min-w-[220px]">
             <Label className="mb-1 block text-xs text-muted-foreground">품번</Label>
-            <Input
-              value={filter.search_part_no ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_no: e.target.value })}
-              placeholder="품번 LIKE"
-            />
+            <DevPartSelect mode="partNo"
+                           value={filter.search_part_no ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_no: v,
+                             search_part_name: row?.part_name ?? prev.search_part_name,
+                           }))} />
           </div>
-          <div className="min-w-[200px]">
+          <div className="min-w-[220px]">
             <Label className="mb-1 block text-xs text-muted-foreground">품명</Label>
-            <Input
-              value={filter.search_part_name ?? ""}
-              onChange={(e) => setFilter({ ...filter, search_part_name: e.target.value })}
-              placeholder="품명 LIKE"
-            />
+            <DevPartSelect mode="partName"
+                           value={filter.search_part_name ?? ""}
+                           onValueChange={(v, row) => setFilter((prev) => ({
+                             ...prev,
+                             search_part_name: v,
+                             search_part_no: row?.part_no ?? prev.search_part_no,
+                           }))} />
           </div>
           <div className="ml-auto flex items-end gap-2">
             <Button variant="outline" size="sm"