Bosch 0445120219 Common Rail Injector – Precise Fuel Delivery For MAN D2676 / D2066 Engines

Heavy MAN trucks live or die by the quality of their fuel system. When an injector starts to wear, you feel it as rough idle, higher fuel usage and more DPF trouble. The Bosch 0445120219 (Bosch no. 0 445 120 219) is a high-pressure CRIN common rail injector engineered specifically for MAN Euro III–V heavy-duty engines, giving your TGA / TGS / TGX the clean combustion it was designed for.

 

 

Make it easy for buyers to confirm they've found the right part:

Bosch part numbers:

0445120219

0 445 120 219 

Exchange / reman reference: 0986435528 (Bosch exchange) DieselDB

Related Bosch injectors: 0445120100 / 0 445 120 100, 0445120275 / 0 445 120 275 (fully interchangeable in some MAN applications – always check your catalog). DieselDB

MAN OEM codes commonly listed:

51101006079 – 51.10100-6079

51101006127 – 51.10100-6127

51101006139 – 51.10100-6139

51101009127 – 51.10100-9127 

If your old injector or MAN parts list shows any of these numbers, this product page matches your unit.

 

 

Instead of generic "more power" claims, focus on real behaviour your customers can feel:

• Quiet, smooth combustion

Bosch CRIN injectors can deliver multiple injections per cycle – pilot, main and post – with extremely fast switching times. That softens the typical diesel "knock" at idle and low load, making long-distance cabs noticeably quieter. 

• Strong pull with cleaner exhaust

Accurate metering at high rail pressure gives a fine spray pattern, so more fuel burns inside the chamber instead of the exhaust. Result: stronger torque, less black smoke and happier DPF/NOx systems.

• Stable fuel consumption

When each cylinder receives the same precisely measured dose, the engine management system doesn't need to "fight" with large corrections. Fleets see more repeatable litres-per-100 km figures across similar trucks.

• Long service life

Genuine-spec internals, hardened needle and seat, and tight clearances are designed to withstand the high pressure and duty cycles of long-haul MAN engines. Many suppliers back new or professionally reman 0445120219 units with a 12-month warranty.

 

Genuine Bosch design – CRIN common rail injector built to Bosch OEM standards, not a low-cost imitation.  

Complete assembly – includes solenoid, nozzle and internal filter; supplied with seal ring / washer where specified.  

High-precision machining – designed for very fine control of injected quantity, even at small pilot doses.

Ready for ECU coding – each injector carries its own calibration data (IMA/QR code) so the MAN ECU can adapt injection timing and quantity per cylinder after installation.

Suggested short description for your product page:

 

 

Many of your visitors will be technicians or fleet managers. A concise, practical section builds trust:

Confirm the fault – run a back-leak (return flow) test and cylinder cut-out; rule out low rail pressure, wiring or compression issues before condemning injectors.

Replace seal & clamp hardware – use new copper washer and any single-use hold-down bolts or leak-off seals recommended by MAN.

Clean work area thoroughly – any dirt introduced during fitting can damage a brand-new injector in minutes.

Code the injector – after installation, use your MAN or Bosch diagnostic tool to enter the new calibration code so the ECU can trim that cylinder correctly.

Verify on road test – check for easy starting, stable idle, balanced cylinder correction values and reduced smoke under full load.

 

 

For technicians landing on your product page, a short technical block builds confidence:

Diagnosis first – confirm injector faults using balance rates, leak-off tests or return-flow values; rule out wiring, compression and rail-pressure issues.

Always replace sealing washers and clamp bolts – these are single-use on most VAG 2.0 TDI engines.

Code the injector – after installation, enter the new IMA/ISA code into the ECU so correction factors match the physical injector.

Check for clean start & smooth idle – after bleeding air from the rail, verify there are no leaks and that idle smoothness and smoke levels have improved.

 

 

 

To make your purchasing experience smooth and easy, we offer a variety of secure payment options:

We're here to make your order process worry-free - choose the payment method that works best for you!

 

 

Hot Tags: bosch 0445120219 common rail injector – precise fuel delivery for man d2676 / d2066 engines, China bosch 0445120219 common rail injector – precise fuel delivery for man d2676 / d2066 engines manufacturers, suppliers, factory, bosch injector