Water Pump for 1994 - 2003 Ford 7.3L PowerStroke All Alliant Power products are backed with a 13 month unlimited Mileage warranty. Alliant Power Products are backed by First Class Technical Support. Alliant Power supplies over 200 high demand parts for over 20 different engine applications. Alliant Power Products are built to OEM specifications and testing. Replacement fo OEM Part Numbers: F81Z8501CRM / ARM, F6TZ8501AARM and 2C3Z8V501BA