DEF Exhaust Fluid Injector 592-4821 for Caterpillar CAT Engine C4.4 Loader 299D Excavator 323FLN

DEF Exhaust Fluid Injector 592-4821 for Caterpillar CAT Engine C4.4 Loader 299D Excavator 323FLN

Important Note: Replace as a SET for Best Results.Fuel injectors wear at the same rate. Mixing new and old injectors causes uneven atomization, leading to vibrations or “Check Engine” lights. Replace the full set to ensure balanced power and peak performance.

Replacement Part Number: 471-6029, 597-4344, 629-1147, 592-4821, 465-6882, 4716029, 5974344, 6291147, 5924821, 4656882, CA4716029, CA5974344, CA6291147, CA5924821, CA4656882

Fit For Caterpillar Engine: C4.4

Applications: Fit For following models: Caterpillar Loader: 299DCaterpillar Excavator: 323F LN