191-3003 Ca-terpillar 3406E/C15/C16 Fuel Injector (EUI) – Replaces 0R-9257 10R-0957

191-3003 Ca-terpillar 3406E/C15/C16 Fuel Injector (EUI) – Replaces 0R-9257 10R-0957

This electronic unit injector (EUI) is a direct, OEM-equivalent replacement for Cat-erpillar 3406E, C15, C16 and C18 diesel engines. Cross-referenced against OEM part numbers 176-1150, 191-3002, 191-3003, 191-3004, 200-1117, 211-0565 and remanufactured numbers 0R-9803, 0R-9256, 0R-9257, 0R-9258, it is a true bolt-on fit with no core required.

Each unit is flow-matched and 100% bench-tested for injection pressure, spray pattern and delivery volume — delivering consistent firing, faster cold starts, better fuel economy and lower smoke across the full load range. The hard-coated plunger resists wear from today's low-sulfur diesel, extending service life between overhauls.

Ideal for Class 8 on-highway trucks, wheel tractor-scrapers (621G/623G/627G class), excavators (390D class), mining and construction equipment. Always verify fitment by engine serial number (ESN) before ordering.

We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation.