Diamond Power DM114 Nissan Sentra 310 1.5L 1.6L Oil Pump 2 year warranty (this product must be installed by a certified professional mechanic) Oil pumps are made with the best quality materials (aluminum) required by the manufacturer Our products are tested and meet or exceed oem performance requirements Fits 1982-1983 Nissan Sentra 1.5l sohc l4