Ola @nadir
Isso é totalmente possível,
No arquivo de:
catalog > MODEL > catalog > product.php
Procure por: public function getProductRelated($product_id) {
Substitua o bloco inteiro por esse bloco e substitua o limite onde esta em 0,12, pelo limite desejado, exemplo: 0,4 (traz 4 produtos relacionados).
Código: Selecionar todos// auto related products
public function getProductRelated($product_id) {
$product_data = array();
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_category p2c LEFT JOIN " . DB_PREFIX . "product p ON (p2c.product_id = p.product_id) LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) WHERE p2c.category_id IN (SELECT category_id FROM " . DB_PREFIX . "product_to_category WHERE product_id = '" . (int)$product_id . "') AND p.product_id != '" . (int)$product_id . "' AND p.status = '1' AND p.date_available <= NOW() AND p.quantity >= 1 AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' ORDER BY RAND() LIMIT 0, 12");
foreach ($query->rows as $result) {
$product_data[$result['product_id']] = $this->getProduct($result['product_id']);
}
return $product_data;
}