GE13 Injector 0414701033 – Diesel Electronic Unit Injector (EUI) For Heavy-Duty Engine Systems

Here's a paradox that haunts every fleet manager running a Scania 4‑series: the injector under your valve cover hasn't been installed in a new truck for over a decade. And yet, without it, your truck doesn't move. The Bosch 0414701033 belongs to a generation of diesel technology that the industry has largely moved on from - but the 4‑series trucks that depend on it haven't gone anywhere. They're still hauling freight across continents, still clocking million‑kilometer odometers, and still generating revenue.

This injector isn't obsolete. It's essential - precisely because so many of these trucks remain in active service. The 0414701033 is the component that bridges the gap between an aging platform and the relentless demands of modern logistics. And Bosch, to its credit, continues to manufacture it to the same exacting OEM standards that made the PDE system a legend in the first place.

 

The 0414701033 belongs to Bosch's PDE (Pump‑Düse‑Einheit) family - also known as UIS (Unit Injector System). Unlike common rail systems, which pressurize fuel in a shared accumulator and distribute it to all cylinders, PDE gives each cylinder its own integrated pump‑and‑injector unit.

Why does this matter in 2026?

Because PDE offers something common rail can't: mechanical certainty. The injector is driven directly by the camshaft, meaning injection timing is inherently synchronized with piston position. There's no electronic guesswork, no pressure lag across long high‑pressure lines. Just deterministic, repeatable fuel delivery that has proven itself across billions of cumulative kilometers.

The system achieves injection pressures of up to 220 MPa (approximately 2,200 bar) - figures that rival many modern common rail systems. At these pressures, the 0414701033 transforms diesel fuel into a finely atomized mist that supports complete combustion, stable engine performance, and improved fuel economy.

Beyond the part number, here's what the 0414701033 physically represents:

Specification	Detail
Part Number	0414701033
OE Cross‑Reference	1665000Z11
System Type	PDE / UIS (Unit Injector System)
Primary Application	Scania 4‑series trucks (EURO2 / EURO3)
Injection Pressure	Up to 220 MPa (2,200 bar)
Net Weight (per unit)	1.67 kg
Gross Weight (per unit)	1.89 kg
Single Unit Dimensions	34 × 19 × 11.5 cm
6‑Unit Gross Weight	12.18 kg
Delivery Package	1x clamp, 2x fittings, 4x rubber‑metal gaskets

Cross‑reference compatibility extends beyond Scania to select Volvo FH12 and Iveco applications, as well as certain Volkswagen Amarok and Audi 2.0 TDI configurations. However, the primary DNA remains Scania 4‑series - and that's where it delivers its best performance.

 

Here's the question every operator eventually faces: Do I buy new, or do I rebuild?

The 0414701033 is available both as a new OEM‑spec unit from Bosch and as a remanufactured unit from specialized diesel service centers. Each path has its merits:

New (OEM‑spec):

Zero service history, zero accumulated wear

Factory‑fresh seals and calibration

Manufactured to Bosch's strict OEM standards

Eliminates the uncertainty of previous contamination or damage

Remanufactured:

Lower upfront cost

Can perform well if processed by an authorized Bosch Diesel Center

Often comes with a test station protocol and warranty (e.g., 2‑year warranty on some remanufactured units)

Environmentally preferable - extends component life

The critical factor is the quality of the remanufacturing process. A professionally rebuilt unit using Bosch‑approved repair kits and proper test benches can restore performance to near‑new levels. A poorly rebuilt unit, on the other hand, can introduce more problems than it solves.

 

The 0414701033 lives deep under the valve cover. Replacing it isn't a quick job - and shortcuts are expensive.

Essential steps:

Depressurize the fuel system - high‑pressure diesel (up to 2,200 bar) can cause serious injury

Remove the high‑pressure pipe nut at the accumulator for the affected cylinder

Use the correct extraction tool - specialized injector sockets are required for Scania 4‑series applications

If the injector is seized (common in high‑mileage engines), an impact extractor with a slide hammer may be necessary

Always replace the clamp, fittings, and rubber‑metal gaskets - these are single‑use components

Never rotate the injector during connector installation - this can shift the spray target and compromise combustion efficiency

Critical note: Proper torque specifications must be observed during clamp installation. Over‑torquing distorts the injector body; under‑torquing leads to combustion gas leakage. Both outcomes are expensive.

Bosch recommends using the Bosch AutoParts Catalogue (now using SingleKey ID) for verification of fitment and compatibility.

 

The global diesel landscape is shifting. Electrification is real. Alternative fuels are emerging. But the installed base of PDE‑equipped Scania 4‑series trucks remains enormous. These vehicles are workhorses, not museum pieces. They're still moving freight, still powering industrial operations, and still demanding parts that keep them running at peak efficiency.

The 0414701033 represents a critical link in that chain - a high‑precision component that directly influences:

Fuel economy - precise metering means every drop counts

Power output - optimized atomization supports complete combustion

Emissions compliance - accurate delivery reduces particulates and NOx

Service longevity - Bosch's robust construction provides consistent performance over extended duty cycles

In an era where fuel costs and regulatory scrutiny are both trending upward, the quality of the injector under the valve cover matters more than ever.

 

Q1: Can I mix a new 0414701033 with older injectors on the same engine?
Technically yes, but it's not recommended. Injectors on the same engine should ideally be matched in terms of wear and calibration. Replacing a single injector while leaving others with significant service history can create imbalances in fuel delivery, leading to rough running and reduced efficiency. If budget allows, replace all injectors as a set.

Q2: What are the warning signs that my 0414701033 is failing?
Rough idling, noticeable power loss under load, increased fuel consumption, excessive white or black smoke, and hard starting are all common symptoms. In PDE systems, a failing injector on one cylinder often triggers diagnostic fault codes that pinpoint the issue. Fuel leaks around the injector are also a red flag.

Q3: Is this injector compatible with biodiesel blends?
Bosch designs its injectors to accommodate a range of diesel formulations. However, higher biodiesel blends (above B20) can affect seal materials over time. Consult your vehicle manufacturer's fuel recommendations and Bosch's technical bulletins for specific guidance on biodiesel compatibility with PDE injectors.

Q4: Why is the 0414701033 still available if it's no longer used in new trucks?
Because the Scania 4‑series trucks that use it are still in active service worldwide. Bosch continues to manufacture these injectors to support the installed base - a testament to the company's commitment to aftermarket support. The demand for new OEM‑spec replacement injectors remains strong precisely because these trucks are still earning revenue.

Q5: How do I verify that the 0414701033 is the correct part for my engine?
Use Bosch's official verification tools. The Bosch AutoParts Catalogue now uses SingleKey ID for authentication. You can also cross‑reference your engine's serial number and original part number against Bosch's database. When in doubt, consult an authorized Bosch Diesel Center for professional verification.