Test 1

// WP_Query arguments
$args = array(
	'post_type'              => array( 'product' ),
	'post_status'            => array( 'publish' ),
	'nopaging'               => true,
	'order'                  => 'ASC',
	'orderby'                => 'title',
	'meta_query'             => array(
		array(
			'key'     => 'id',
			'value'   => '38573',
			'compare' => '=',
			'type'    => 'NUMERIC',
		),
	),
);

// The Query
$query = new WP_Query( $args );