2S4509 Line A Fits Caterpillar Models
2S4509 Line A Fits Caterpillar Models
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One New Aftermarket Replacement Fuel Line (Line A) for Caterpillar (Cat) Construction Equipment
This aftermarket replacement fuel line (Line A) fits Caterpillar equipment powered by the D346 engine and is a direct replacement for OEM part number 2S4509. The part is a component of the diesel fuel delivery system and is sold as an individual line assembly. Research confirms part number 2S4509 is one of several individual fuel lines also available as part of a larger fuel line kit (kit 174846) for D346-powered machines including the 772 Tractor, 650B, and 660B.
Compatible Models
Caterpillar (Cat) - D346-Powered Wheel Tractor-Scrapers and Tractors: 650B, 660B, 772
Note: 2S4509 is also sold as a component within fuel line kit 174846 which covers D346, 772, 650B, and 660B applications. Verify your specific machine serial number and engine configuration before ordering.
Replaces Part Number(s):
2S4509, 2S-4509
New aftermarket replacement part - not remanufactured, not used.



