diff --git a/fusion_accounting_assets/__manifest__.py b/fusion_accounting_assets/__manifest__.py
index 4f77df8d..b71d07e5 100644
--- a/fusion_accounting_assets/__manifest__.py
+++ b/fusion_accounting_assets/__manifest__.py
@@ -1,6 +1,6 @@
 {
     'name': 'Fusion Accounting Assets',
-    'version': '19.0.1.0.27',
+    'version': '19.0.1.0.28',
     'category': 'Accounting/Accounting',
     'summary': 'AI-augmented asset management with depreciation schedules.',
     'description': """
@@ -35,6 +35,7 @@ menu hides; the engine + AI tools remain available for the chat.
         'security/ir.model.access.csv',
         'data/cron.xml',
         'wizards/create_asset_wizard_views.xml',
+        'wizards/disposal_wizard_views.xml',
     ],
     'assets': {
         'web.assets_backend': [
diff --git a/fusion_accounting_assets/security/ir.model.access.csv b/fusion_accounting_assets/security/ir.model.access.csv
index 1782a255..7448bb30 100644
--- a/fusion_accounting_assets/security/ir.model.access.csv
+++ b/fusion_accounting_assets/security/ir.model.access.csv
@@ -10,3 +10,4 @@ access_fusion_asset_disposal_admin,fusion.asset.disposal.admin,model_fusion_asse
 access_fusion_asset_anomaly_user,fusion.asset.anomaly.user,model_fusion_asset_anomaly,base.group_user,1,0,0,0
 access_fusion_asset_anomaly_admin,fusion.asset.anomaly.admin,model_fusion_asset_anomaly,fusion_accounting_core.group_fusion_accounting_admin,1,1,1,1
 access_fusion_create_asset_wizard_user,fusion.create.asset.wizard.user,model_fusion_create_asset_wizard,base.group_user,1,1,1,0
+access_fusion_disposal_wizard_user,fusion.disposal.wizard.user,model_fusion_disposal_wizard,base.group_user,1,1,1,0
diff --git a/fusion_accounting_assets/tests/__init__.py b/fusion_accounting_assets/tests/__init__.py
index 44936b8e..0a56cdc0 100644
--- a/fusion_accounting_assets/tests/__init__.py
+++ b/fusion_accounting_assets/tests/__init__.py
@@ -20,3 +20,4 @@ from . import test_method_integration
 from . import test_asset_book_values_mv
 from . import test_performance_benchmarks
 from . import test_create_asset_wizard
+from . import test_disposal_wizard
diff --git a/fusion_accounting_assets/tests/test_disposal_wizard.py b/fusion_accounting_assets/tests/test_disposal_wizard.py
new file mode 100644
index 00000000..23258ce8
--- /dev/null
+++ b/fusion_accounting_assets/tests/test_disposal_wizard.py
@@ -0,0 +1,50 @@
+from datetime import date
+
+from odoo.tests import tagged
+from odoo.tests.common import TransactionCase
+
+
+@tagged('post_install', '-at_install')
+class TestDisposalWizard(TransactionCase):
+
+    def setUp(self):
+        super().setUp()
+        self.asset = self.env['fusion.asset'].create({
+            'name': 'Disposal Test Asset',
+            'cost': 6000,
+            'acquisition_date': date(2026, 1, 1),
+            'in_service_date': date(2026, 1, 1),
+            'method': 'straight_line', 'useful_life_years': 3,
+        })
+        self.env['fusion.asset.engine'].compute_depreciation_schedule(self.asset)
+        self.asset.action_set_running()
+
+    def test_default_loads_active_asset(self):
+        wizard = self.env['fusion.disposal.wizard'].with_context(
+            active_model='fusion.asset', active_id=self.asset.id,
+        ).create({})
+        self.assertEqual(wizard.asset_id, self.asset)
+
+    def test_action_dispose_marks_asset_disposed(self):
+        wizard = self.env['fusion.disposal.wizard'].create({
+            'asset_id': self.asset.id,
+            'disposal_type': 'sale',
+            'sale_amount': 4000,
+            'disposal_date': date(2026, 6, 1),
+        })
+        wizard.action_dispose()
+        self.asset.invalidate_recordset(['state'])
+        self.assertEqual(self.asset.state, 'disposed')
+
+    def test_compute_gain_loss_sale(self):
+        wizard = self.env['fusion.disposal.wizard'].create({
+            'asset_id': self.asset.id,
+            'disposal_type': 'sale',
+            'sale_amount': 7000,
+        })
+        wizard._compute_gain_loss()
+        self.assertAlmostEqual(
+            wizard.estimated_gain_loss,
+            7000 - self.asset.book_value,
+            places=2,
+        )
diff --git a/fusion_accounting_assets/wizards/__init__.py b/fusion_accounting_assets/wizards/__init__.py
index 02131f82..a4f73d87 100644
--- a/fusion_accounting_assets/wizards/__init__.py
+++ b/fusion_accounting_assets/wizards/__init__.py
@@ -1 +1,2 @@
 from . import create_asset_wizard
+from . import disposal_wizard
diff --git a/fusion_accounting_assets/wizards/disposal_wizard.py b/fusion_accounting_assets/wizards/disposal_wizard.py
new file mode 100644
index 00000000..6444f1b7
--- /dev/null
+++ b/fusion_accounting_assets/wizards/disposal_wizard.py
@@ -0,0 +1,65 @@
+"""Asset disposal wizard (sale, scrap, donation, lost)."""
+
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError
+
+
+class FusionDisposalWizard(models.TransientModel):
+    _name = "fusion.disposal.wizard"
+    _description = "Asset Disposal Wizard"
+
+    asset_id = fields.Many2one(
+        'fusion.asset', required=True,
+        default=lambda self: self._default_asset(),
+    )
+    company_id = fields.Many2one(related='asset_id.company_id')
+    currency_id = fields.Many2one(related='asset_id.currency_id')
+    book_value = fields.Monetary(related='asset_id.book_value', readonly=True)
+
+    disposal_type = fields.Selection([
+        ('sale', 'Sale'),
+        ('scrap', 'Scrap'),
+        ('donation', 'Donation'),
+        ('lost', 'Lost / Stolen'),
+    ], required=True, default='sale')
+    disposal_date = fields.Date(required=True, default=fields.Date.today)
+    sale_amount = fields.Monetary(default=0.0)
+    sale_partner_id = fields.Many2one('res.partner')
+    notes = fields.Text()
+
+    estimated_gain_loss = fields.Monetary(compute='_compute_gain_loss')
+
+    @api.model
+    def _default_asset(self):
+        ctx = self.env.context
+        if ctx.get('active_model') == 'fusion.asset':
+            return ctx.get('active_id')
+        return False
+
+    @api.depends('sale_amount', 'book_value', 'disposal_type')
+    def _compute_gain_loss(self):
+        for w in self:
+            if w.disposal_type == 'sale':
+                w.estimated_gain_loss = w.sale_amount - w.book_value
+            else:
+                w.estimated_gain_loss = -w.book_value
+
+    def action_dispose(self):
+        self.ensure_one()
+        if self.asset_id.state == 'disposed':
+            raise UserError(_("Asset already disposed."))
+        partner = self.sale_partner_id if self.disposal_type == 'sale' else None
+        self.env['fusion.asset.engine'].dispose_asset(
+            self.asset_id,
+            sale_amount=self.sale_amount if self.disposal_type == 'sale' else 0,
+            sale_date=self.disposal_date,
+            sale_partner=partner,
+            disposal_type=self.disposal_type,
+        )
+        return {
+            'type': 'ir.actions.act_window',
+            'res_model': 'fusion.asset',
+            'res_id': self.asset_id.id,
+            'view_mode': 'form',
+            'target': 'current',
+        }
diff --git a/fusion_accounting_assets/wizards/disposal_wizard_views.xml b/fusion_accounting_assets/wizards/disposal_wizard_views.xml
new file mode 100644
index 00000000..91b8125a
--- /dev/null
+++ b/fusion_accounting_assets/wizards/disposal_wizard_views.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_fusion_disposal_wizard_form" model="ir.ui.view">
+        <field name="name">fusion.disposal.wizard.form</field>
+        <field name="model">fusion.disposal.wizard</field>
+        <field name="arch" type="xml">
+            <form string="Dispose Asset">
+                <group>
+                    <field name="asset_id" options="{'no_create': True}" readonly="1"/>
+                    <field name="book_value" readonly="1"/>
+                    <field name="company_id" invisible="1"/>
+                    <field name="currency_id" invisible="1"/>
+                </group>
+                <group>
+                    <field name="disposal_type"/>
+                    <field name="disposal_date"/>
+                    <field name="sale_amount" invisible="disposal_type != 'sale'"/>
+                    <field name="sale_partner_id" invisible="disposal_type != 'sale'"/>
+                    <field name="estimated_gain_loss" readonly="1"/>
+                    <field name="notes"/>
+                </group>
+                <footer>
+                    <button name="action_dispose" type="object"
+                            string="Confirm Disposal" class="btn-primary"/>
+                    <button special="cancel" string="Cancel"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_fusion_disposal_wizard" model="ir.actions.act_window">
+        <field name="name">Dispose Asset</field>
+        <field name="res_model">fusion.disposal.wizard</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+        <field name="binding_model_id" ref="model_fusion_asset"/>
+        <field name="binding_view_types">form,list</field>
+    </record>
+</odoo>