597-4344 | Genuine CAT® Diesel Exhaust Fluid (DEF) Injector

Description and Purpose: Controlling the delivery of diesel exhaust fluid into the aftertreatment system, the Diesel Exhaust Fluid Injector from Genuine Caterpillar, identified by Part Number: 597-4344 and offered in new condition, helps ensure accurate DEF dosing for emissions-control processes. The injector supports reliable SCR system operation across a range of Caterpillar equipment, including excavators, compactors, pipelayers, loaders, tractors, and machines powered by C4.4 engines. Cross Reference: 5974344, 597 4344. Why Replacement is Important: A worn or clogged DEF injector can affect fluid distribution, resulting in emissions-system faults and reduced aftertreatment efficiency. Impact on Vehicle Performance: Consistent DEF dosing supports proper SCR operation, stable emissions-system performance, and dependable equipment functionality. Manufacturer Information: Caterpillar® is a leading manufacturer of construction, mining, and industrial equipment, recognized worldwide for durable machinery, advanced engineering, and components designed for demanding operating conditions. Tags & Category: DEF Injector, DEF Doser, Fluid Injector, Exhaust Fluid, DEF System, SCR System, Diesel Exhaust, Dosing Valve, Injector Valve Warranty: Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.