Bosch original Common Rail Fuel Injector 0445120210 0445120255 Cross Reference 0445120048 for Excavator Replacement for OEM 0445120059, for heavy duty diesel engine application original new injector

Designed for modern high-pressure common rail diesel systems, the Bosch 0445120210 is an original, electronically controlled solenoid injector manufactured to Bosch OEM standards. It delivers precise fuel metering and atomization through ECU-controlled injection timing and quantity. Micron-level needle-valve operation and multiple injection events support efficient combustion, helping reduce fuel consumption, particulate and NOx emissions while improving power output, fuel economy, and smooth engine operation. Its high-pressure capability, injection accuracy, and durability support long service life in demanding diesel environments.

The injector is cross-referenced to Bosch 0986435508 and is suitable for Weichai WP10 and WP12 series engines, including WP10.270, WP10.290, WP10.336, WP10.340, WP10.375, WP12.336, WP12.375, WP12.430, WP12.460, and WP12.480. Equipment coverage includes heavy trucks from HOWO, Shacman, FAW, Dongfeng, and Beiben, as well as excavators, loaders, cranes, road rollers, generator sets, mining equipment, and agricultural machinery. It also serves industrial diesel engines, marine auxiliary engines, and power generation systems.

For maintenance and replacement programs, installation requires a clean injector bore, a replacement copper washer, OEM torque tightening, secure high-pressure line connection, injector coding where required, and leak and operation checks. Reliable service is supported by quality diesel fuel, regular filter replacement, water-contamination prevention, rail-pressure monitoring, and periodic diagnostics. The injector includes a 12-month warranty, with a one-piece MOQ, 10,000-piece monthly capacity, 3–15-day delivery, and worldwide shipping.