diff --git a/cmd/create/cluster/cmd.go b/cmd/create/cluster/cmd.go
index 8d781189e8..3738670c54 100644
--- a/cmd/create/cluster/cmd.go
+++ b/cmd/create/cluster/cmd.go
@@ -1187,7 +1187,9 @@ func run(cmd *cobra.Command, _ []string) {
 	externalAuthProvidersEnabled := args.externalAuthProvidersEnabled
 	if externalAuthProvidersEnabled {
 		if !isHostedCP {
-			r.Reporter.Errorf("External authentication configuration is only supported for a Hosted Control Plane cluster.")
+			r.Reporter.Errorf(
+				"External authentication configuration is only supported for a Hosted Control Plane cluster.",
+			)
 			os.Exit(1)
 		}
 	}
@@ -2372,7 +2374,7 @@ func run(cmd *cobra.Command, _ []string) {
 	// Compute node instance type:
 	computeMachineType := args.computeMachineType
 	computeMachineTypeList, err := r.OCMClient.GetAvailableMachineTypesInRegion(region, availabilityZones, roleARN,
-		awsClient)
+		awsClient, externalID)
 	if err != nil {
 		r.Reporter.Errorf(fmt.Sprintf("%s", err))
 		os.Exit(1)
diff --git a/cmd/list/instancetypes/cmd.go b/cmd/list/instancetypes/cmd.go
index d876ef2356..235d317439 100644
--- a/cmd/list/instancetypes/cmd.go
+++ b/cmd/list/instancetypes/cmd.go
@@ -142,7 +142,7 @@ func runWithRuntime(r *rosa.Runtime, cmd *cobra.Command) error {
 		}
 
 		availableMachineTypes, err := r.OCMClient.GetAvailableMachineTypesInRegion(arguments.GetRegion(),
-			availabilityZones, roleArn, r.AWSClient)
+			availabilityZones, roleArn, r.AWSClient, args.externalId)
 		if err != nil {
 			return fmt.Errorf("Failed to fetch instance types: %v", err)
 		}
diff --git a/pkg/machinepool/machinepool.go b/pkg/machinepool/machinepool.go
index 4af80c6032..2f6824a335 100644
--- a/pkg/machinepool/machinepool.go
+++ b/pkg/machinepool/machinepool.go
@@ -340,6 +340,7 @@ func (m *machinePool) AddMachinePool(cmd *cobra.Command, clusterKey string, clus
 		availabilityZonesFilter,
 		cluster.AWS().STS().RoleARN(),
 		r.AWSClient,
+		cluster.AWS().STS().ExternalID(),
 	)
 	if err != nil {
 		return fmt.Errorf(fmt.Sprintf("%s", err))
@@ -811,7 +812,7 @@ func (m *machinePool) AddNodePool(cmd *cobra.Command, clusterKey string, cluster
 	}
 
 	instanceTypeList, err := r.OCMClient.GetAvailableMachineTypesInRegion(cluster.Region().ID(),
-		availabilityZonesFilter, cluster.AWS().STS().RoleARN(), r.AWSClient)
+		availabilityZonesFilter, cluster.AWS().STS().RoleARN(), r.AWSClient, cluster.AWS().STS().ExternalID())
 	if err != nil {
 		return fmt.Errorf(fmt.Sprintf("%s", err))
 	}
diff --git a/pkg/ocm/machines.go b/pkg/ocm/machines.go
index b445eedec5..ead0612165 100644
--- a/pkg/ocm/machines.go
+++ b/pkg/ocm/machines.go
@@ -120,8 +120,8 @@ func (mt MachineType) HasQuota(multiAZ bool) bool {
 // The function triggers the 'api/clusters_mgmt/v1/aws_inquiries/machine_types'
 // and passes a role ARN for STS clusters or access keys for non-STS clusters.
 func (c *Client) GetAvailableMachineTypesInRegion(region string, availabilityZones []string, roleARN string,
-	awsClient aws.Client) (MachineTypeList, error) {
-	cloudProviderDataBuilder, err := c.createCloudProviderDataBuilder(roleARN, awsClient, "")
+	awsClient aws.Client, externalId string) (MachineTypeList, error) {
+	cloudProviderDataBuilder, err := c.createCloudProviderDataBuilder(roleARN, awsClient, externalId)
 	if err != nil {
 		return MachineTypeList{}, err
 	}
@@ -234,7 +234,8 @@ func (mtl *MachineTypeList) UpdateAvailableQuota(quotaCosts *amsv1.QuotaCostList
 		}
 		quotaCosts.Each(func(quotaCost *amsv1.QuotaCost) bool {
 			for _, relatedResource := range quotaCost.RelatedResources() {
-				if machineType.MachineType.GenericName() == relatedResource.ResourceName() && isCompatible(relatedResource) {
+				if machineType.MachineType.GenericName() == relatedResource.ResourceName() &&
+					isCompatible(relatedResource) {
 					availableQuota := (quotaCost.Allowed() - quotaCost.Consumed()) / relatedResource.Cost()
 					machineType.Available = availableQuota > 1
 					machineType.availableQuota = availableQuota