amazon-templates.php

<?php
/**
 * Overrides templates with custom templates when needed
 * 
 * @param unknown $templates
 * @param unknown $slug
 * @param unknown $name
 * @return unknown
 */
function my_mrp_get_template_part( $templates, $slug, $name ) {
	
	// get the post id
	global $post;
	
	$post_id = null;
	if (isset( $post ) ) {
		$post_id = $post->ID;
	}
	
	if ( $post_id == 7363 ) { // <<--- replace with your own post id or other condition
		
		foreach ( $templates as $index => $template_slug ) {
			
			if ( $template_slug == 'rating-form.php' ) {
				$templates[$index] = 'amazon-rating-form.php';
			} else if ( $template_slug == 'rating-item-results.php' ) {
				$templates[$index] = 'amazon-rating-item-results.php';
			} else if ( $template_slug == 'rating-entry-details-list.php' ) {
				$templates[$index] = 'amazon-rating-entry-details-list.php';
			}
		}
	}
	
	return $templates;
}
add_action( 'mrp_get_template_part', 'my_mrp_get_template_part', 10, 3 );