diff --git a/src/aks-preview/azext_aks_preview/_consts.py b/src/aks-preview/azext_aks_preview/_consts.py
index 03261a1bdd1..bf3eaaef8fd 100644
--- a/src/aks-preview/azext_aks_preview/_consts.py
+++ b/src/aks-preview/azext_aks_preview/_consts.py
@@ -37,6 +37,7 @@
 CONST_OS_SKU_WINDOWS2022 = "Windows2022"
 CONST_OS_SKU_WINDOWSANNUAL = "WindowsAnnual"
 CONST_OS_SKU_AZURELINUX = "AzureLinux"
+CONST_OS_SKU_AZURELINUX3 = "AzureLinux3"
 CONST_OS_SKU_UBUNTU2204 = "Ubuntu2204"
 CONST_OS_SKU_UBUNTU2404 = "Ubuntu2404"
 
diff --git a/src/aks-preview/azext_aks_preview/_help.py b/src/aks-preview/azext_aks_preview/_help.py
index a5b85ac96ea..461e23fd47d 100644
--- a/src/aks-preview/azext_aks_preview/_help.py
+++ b/src/aks-preview/azext_aks_preview/_help.py
@@ -1900,7 +1900,7 @@
           short-summary: The OS Type. Linux or Windows. Windows not supported yet for "VirtualMachines" VM set type.
         - name: --os-sku
           type: string
-          short-summary: The os-sku of the agent node pool. Ubuntu, CBLMariner, Ubuntu2204 or Ubuntu2404 when os-type is Linux, default is Ubuntu if not set; Windows2019, Windows2022 or WindowsAnnual when os-type is Windows, the current default is Windows2022 if not set.
+          short-summary: The os-sku of the agent node pool. Ubuntu, Ubuntu2204, Ubuntu2404, CBLMariner, AzureLinux or AzureLinux3 when os-type is Linux, default is Ubuntu if not set; Windows2019, Windows2022 or WindowsAnnual when os-type is Windows, the current default is Windows2022 if not set.
         - name: --enable-fips-image
           type: bool
           short-summary: Use FIPS-enabled OS on agent nodes.
diff --git a/src/aks-preview/azext_aks_preview/_params.py b/src/aks-preview/azext_aks_preview/_params.py
index 9303f2d43bb..da099084c64 100644
--- a/src/aks-preview/azext_aks_preview/_params.py
+++ b/src/aks-preview/azext_aks_preview/_params.py
@@ -91,6 +91,7 @@
     CONST_OS_DISK_TYPE_EPHEMERAL,
     CONST_OS_DISK_TYPE_MANAGED,
     CONST_OS_SKU_AZURELINUX,
+    CONST_OS_SKU_AZURELINUX3,
     CONST_OS_SKU_CBLMARINER,
     CONST_OS_SKU_MARINER,
     CONST_OS_SKU_UBUNTU,
@@ -268,6 +269,7 @@
 ]
 node_os_skus_create = [
     CONST_OS_SKU_AZURELINUX,
+    CONST_OS_SKU_AZURELINUX3,
     CONST_OS_SKU_UBUNTU,
     CONST_OS_SKU_CBLMARINER,
     CONST_OS_SKU_MARINER,
@@ -281,6 +283,7 @@
 ]
 node_os_skus_update = [
     CONST_OS_SKU_AZURELINUX,
+    CONST_OS_SKU_AZURELINUX3,
     CONST_OS_SKU_UBUNTU,
     CONST_OS_SKU_UBUNTU2204,
     CONST_OS_SKU_UBUNTU2404,
diff --git a/src/aks-preview/azext_aks_preview/tests/latest/test_aks_commands.py b/src/aks-preview/azext_aks_preview/tests/latest/test_aks_commands.py
index e083e6e57ca..fd214dfc073 100644
--- a/src/aks-preview/azext_aks_preview/tests/latest/test_aks_commands.py
+++ b/src/aks-preview/azext_aks_preview/tests/latest/test_aks_commands.py
@@ -2842,6 +2842,42 @@ def test_aks_nodepool_add_with_ossku_ubuntu2204(self, resource_group, resource_g
         self.cmd(
             'aks delete -g {resource_group} -n {name} --yes --no-wait', checks=[self.is_empty()])
 
+    @AllowLargeResponse()
+    @AKSCustomResourceGroupPreparer(random_name_length=17, name_prefix='clitest', location='eastus2euap')
+    def test_aks_nodepool_add_with_ossku_azurelinux3(self, resource_group, resource_group_location):
+        aks_name = self.create_random_name('cliakstest', 16)
+        node_pool_name = self.create_random_name('c', 6)
+        node_pool_name_second = self.create_random_name('c', 6)
+        self.kwargs.update({
+            'resource_group': resource_group,
+            'name': aks_name,
+            'node_pool_name': node_pool_name,
+            'node_pool_name_second': node_pool_name_second,
+            'ssh_key_value': self.generate_ssh_keys()
+        })
+
+        create_cmd = 'aks create --resource-group={resource_group} --name={name} ' \
+                     '--nodepool-name {node_pool_name} -c 1 ' \
+                     '--ssh-key-value={ssh_key_value}'
+        self.cmd(create_cmd, checks=[
+            self.check('provisioningState', 'Succeeded'),
+        ])
+
+        # nodepool get-upgrades
+        self.cmd('aks nodepool add '
+                 '--resource-group={resource_group} '
+                 '--cluster-name={name} '
+                 '--name={node_pool_name_second} '
+                 '--os-sku AzureLinux3',
+                 checks=[
+                    self.check('provisioningState', 'Succeeded'),
+                    self.check('osSku', 'AzureLinux3'),
+                 ])
+
+        # delete
+        self.cmd(
+            'aks delete -g {resource_group} -n {name} --yes --no-wait', checks=[self.is_empty()])
+
     @AllowLargeResponse()
     @AKSCustomResourceGroupPreparer(
         random_name_length=17, name_prefix="clitest", location="westus2"