High-quality aftermarket lot of 6 fuel filter inserts (A4720921705) compatible with Detroit Diesel DDE Gen 5 engines (DD13 / DD15 / DD16) used on Freightliner and Western Star applications. This is a direct-replacement, 100% new fuel filter insert set ideal for fleet maintenance and service shops. Key Features: - Quantity: 6 fuel filter inserts per lot - Part Number / Cross Reference: A4720921705, FK11011 - Visible construction (from product images): pleated paper filtration media for efficient