Having fuel switching issues on your diesel Ford truck? This APDTY selector valve is a direct replacement for models like the F-250, F-350, and F-450 (check fitment for your year). 6-port design, 65 PSI rating, with ports measuring 7.8mm and 9.4mm OD. Replaces OEM numbers 6C3Z-9189-A, 14425405, and others. Compatible with 6.0L, 6.4L, 6.7L, and 7.3L diesel engines (1994-2015). Made to OE specs for reliable performance. Fixes problems like fuel transfer failure, gauge inaccuracies, or engine stalling. Installation is straightforward for DIYers or mechanics. Includes necessary connectors. Keep your dual-tank system working smoothly. A quality aftermarket part that won’t break the bank. Always disconnect the battery before working on fuel systems.