original 218-4109 HEUI Diesel Fuel Injector for 3126 3126B 3126E Engine Common Rail Injector Assembly Replacement for OEM 2184109 10R-1262 222-5965 original new injector

Engineered around the primary OE reference 218-4109, this heavy-duty diesel fuel injector is manufactured as a direct replacement solution for 3126, 3126B and 3126E series engine applications. The injector supports HEUI-style injection systems and delivers precision fuel metering with stable atomization performance, making it a reliable component for engine rebuild workshops, fleet maintenance operators and industrial equipment distributors that require dependable long-run replacement parts.

This injector is fully cross-referenced with a wide range of searchable numbers including CA2184109, 10R-9000, 183-6797, 178-6342, 178-6343, 229-8842, 229-5928, 177-4752, 177-4753, 177-4754, 178-0199, 10R-1257, 10R-1306, 171-9704, 171-9710, 198-6605 and 180-7431. Its export-friendly numbering system supports inventory-friendly SKU management for wholesale buyers, and its heavy-duty construction makes it suitable for medium-duty trucks, vocational trucks, excavators, wheel loaders, industrial generators, marine auxiliary engines, mining machinery and off-highway equipment powered by compatible 3126 series diesel engines.

For optimal service life, use clean diesel fuel, replace the fuel filter on schedule, drain the water separator regularly, and maintain correct engine oil quality and oil pressure for HEUI-style systems. Common failure symptoms such as hard starting, rough idle, misfire, black smoke, low power and high fuel consumption should be diagnosed through fuel pressure testing, oil pressure testing, cylinder cut-out testing, injector balance testing and ECM code scanning. Always confirm compatibility using engine serial number, arrangement number and the number on the removed injector before purchase.