Case Study: Troubleshooting BOSCH Diesel Injector 0445110917 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Problem Description

A maintenance team reported issues with their heavy machinery fitted with BOSCH diesel injector 0445110917. The equipment experienced power surges, engine knock, oil dilution. Further inspection revealed the problem originated from the 110 1 series injectors, which also has cross-reference numbers 445110519 and 445110520 for different engine models.

Issues Identified

· Primary issue: high-pressure seal failure affecting fuel delivery

· Secondary issue: incorrect injector timing

· Secondary issue: clogged fuel filters

Solution Applied

· full injector replacement

· Clean fuel tank and fuel lines

· Replace fuel filters

· Perform engine compression test

Outcome

After the repair: engine performance back to spec. Fleet now maintains inventory of 445110519 and 445110520 as backup units for quick replacement when 0445110917 is temporarily unavailable.