NEW OPEN OR DAMAGED PACKAGING – Packaging may be opened or have some signs of damage. Product inside the package is not affected and is FULLY FUNCTIONAL AND COMPLETE. Please refer to all the pictures to verify product condition. 3500 – Position: N/A. STANDARD MOTOR PRODUCTS: PR437. Chevrolet 2004-01, GMC 2004-01. Cost-effective solution – offers original equipment performance at competitive price. Quality tested – this part has undergone try-on testing to ensure a quality fit. Durable construction – this fuel pressure regulator is made from quality materials for a long service life. Fuel, Injection, Pressure, Regulator, Regulators, Injector, Injectors. Effective replacement – this fuel pressure regulator directly replaces the original part on specified vehicle years, makes and models.