diff --git a/pos/services/catalog_service.py b/pos/services/catalog_service.py
index 20311a5..0ea1057 100644
--- a/pos/services/catalog_service.py
+++ b/pos/services/catalog_service.py
@@ -15,6 +15,28 @@ import re
 from services.na_models import is_na_model
 
 
+def _clean_model_name(name):
+    """Parse TecDoc model name to show only the primary name.
+
+    '4 RUNNER V (_N28_)' → '4 RUNNER'
+    'Corolla Hatchback (_E21_)' → 'COROLLA'
+    'CAMRY Saloon (_V4_)' → 'CAMRY'
+    'RAV 4 III (_A3_)' → 'RAV 4'
+    """
+    s = name.strip()
+    # Remove generation codes in parentheses: (_N28_), (B1_), (_E21_), etc.
+    s = re.sub(r'\s*\([^)]*\)\s*', '', s)
+    # Remove Roman numeral generation suffixes: I, II, III, IV, V, VI, VII, VIII, IX, X
+    s = re.sub(r'\s+(?:VIII|VII|VI|IV|IX|III|II|V|X|I)(?:\s|$)', ' ', s)
+    # Remove body type suffixes
+    s = re.sub(r'\s+(?:Estate|Saloon|Hatchback|Van|Coupe|Coupé|Convertible|Wagon|Pickup|Cab|Sedan|SUV|MPV|Kombi|Kasten|Bus|Box|Platform|Chassis)\b', '', s, flags=re.IGNORECASE)
+    # Remove "Hatchback Van", "Box Body" compound types
+    s = re.sub(r'\s+(?:Hatchback|Box)\s+(?:Van|Body)\b', '', s, flags=re.IGNORECASE)
+    # Clean up extra spaces
+    s = re.sub(r'\s+', ' ', s).strip()
+    return s.upper() if s else name.upper()
+
+
 # ─────────────────────────────────────────────────────────────────────────────
 # VEHICLE HIERARCHY NAVIGATION
 # ─────────────────────────────────────────────────────────────────────────────
@@ -87,12 +109,25 @@ def get_models(master_conn, brand_id, year_id=None, brand_name=None):
     rows = cur.fetchall()
     cur.close()
 
-    # Filter to North America models only
-    return [
-        {'id_model': r[0], 'name_model': r[1]}
-        for r in rows
-        if is_na_model(brand_name, r[1])
-    ]
+    # Filter to North America models only, add clean display name, deduplicate
+    filtered = [r for r in rows if is_na_model(brand_name, r[1])]
+
+    # Group by clean name — keep all id_models but show one display name
+    seen = {}  # display_name → first row
+    results = []
+    for r in filtered:
+        display = _clean_model_name(r[1])
+        if display not in seen:
+            seen[display] = True
+            results.append({
+                'id_model': r[0],
+                'name_model': r[1],
+                'display_name': display,
+            })
+
+    # Sort by display_name
+    results.sort(key=lambda x: x['display_name'])
+    return results
 
 
 def get_years(master_conn, model_id):
diff --git a/pos/static/js/catalog.js b/pos/static/js/catalog.js
index 9b42373..68f04dc 100644
--- a/pos/static/js/catalog.js
+++ b/pos/static/js/catalog.js
@@ -219,8 +219,8 @@
             if (!data || !data.data || !data.data.length) { showEmpty('Sin modelos', 'No hay modelos con partes para ' + nav.brand.name); return; }
             navGrid.className = 'nav-grid';
             navGrid.innerHTML = data.data.map(function (m) {
-                return '<div class="nav-card" role="listitem" data-model-id="' + m.id_model + '" data-name="' + esc(m.name_model) + '">' +
-                    '<div class="nav-card__name">' + esc(m.name_model) + '</div>' +
+                return '<div class="nav-card" role="listitem" data-model-id="' + m.id_model + '" data-name="' + esc(m.display_name || m.name_model) + '">' +
+                    '<div class="nav-card__name">' + esc(m.display_name || m.name_model) + '</div>' +
                     '</div>';
             }).join('');
 
@@ -887,7 +887,7 @@
             if (!models) return;
             vsModel.innerHTML = '<option value="">Modelo...</option>';
             models.forEach(function (m) {
-                vsModel.innerHTML += '<option value="' + m.id_model + '">' + esc(m.name_model) + '</option>';
+                vsModel.innerHTML += '<option value="' + m.id_model + '">' + esc(m.display_name || m.name_model) + '</option>';
             });
         });
     }