Bosch 0445120002 Common Rail Injector (0 445 120 002) | OEM Crossrefs For Fiat Ducato 2.8 JTD / Iveco Daily 2.8 / Peugeot Boxer & Citroën Jumper

If your van is a working asset, an injector isn't a "replacement part"-it's a downtime decision. The Bosch 0445120002 common rail injector (Bosch No. 0 445 120 002) is widely listed for 2.8L light-commercial diesel platforms where reliability, hot restarts, and smoke control directly affect daily revenue. When these engines start showing rough idle, extended cranking, or grey/black haze under load, the root cause is often injector internal wear, return-flow drift, or spray pattern deterioration. A correct injector match restores stable fueling and predictable rail control-especially on older high-utilization fleets.

✅ Bosch part number: 0445120002 / 0 445 120 002  
✅ Fuel system type: Common Rail (CR)  
✅ Bosch exchange / reman reference commonly shown: 0 986 435 501 (0986435501)  

You'll often see this injector sold as either:

Brand-new genuine Bosch (sealed box / manufacturer-sourced claims) 

Exchange/remanufactured under Bosch Exchange numbering (varies by supplier and region)

 

Many catalogs and diesel specialists list 0445120002 for the following platforms and engine family:

🚚 FIAT Ducato 2.8 JTD (2.8L, often referenced with engine family 8140.43S in listings) 
🚚 IVECO Daily 2.8L (commonly linked to 8140.43 2.8L Common Rail engines across multiple Daily variants) parts 
🚚 CITROËN Jumper 2.8 HDI 
🚚 Frequently cross-listed with PEUGEOT Boxer 2.8 HDI in marketplace titles and distributor pages for the same injector family 

⚠️ Fitment reminder: 2.8L vans can have different calibrations by year and emissions spec. The safest match is Bosch number first, then confirm OEM cross-reference and VIN/engine code.

 

 

Buyers often arrive with an OEM number, not the Bosch number. Commonly published OEM references associated with 0445120002 include:

IVECO: 500313105, 500384284 parts. 

PSA (Peugeot/Citroën): 198081, 198083  

And for Bosch Exchange / reman listings:

Bosch exchange number: 0 986 435 501 / 0986435501

 

 

In commercial 2.8L applications, the injector's job is not only "delivery"-it's repeatability: consistent micro-metering that keeps combustion clean across cold starts, short trips, and high-load pulls.

When injectors wear, you typically see one or more of these patterns:

🔻 Return-flow imbalance → slow rail pressure build-up, hard start, unstable idle
🔻 Poor atomization → smoke under load, harsh combustion, rising EGT risk
🔻 Cylinder-to-cylinder fueling drift → vibration, uneven power, higher consumption

A correctly matched 0445120002 helps bring the engine back to:
✔ smoother start-up behavior
✔ cleaner acceleration under load
✔ reduced haze and more stable combustion feel

 

Before ordering:
🧾 Confirm 0445120002 / 0 445 120 002 on the injector body or via your OE cross-reference list 
🧩 If your supplier sells exchange units, verify whether the listing is new or reman/exchange (often stated directly on product pages)  

During installation:
🛡️ Replace fuel filter and inspect contamination (metal debris = repeat failure risk)
🧼 Clean injector seat properly and use correct sealing components (many catalogs note seal-ring configuration differences

 

 

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