0414701044 Electronic Fuel Injector – Bosch-Compatible for Scania Truck Engines
For operators of Scania heavy‑duty trucks – from long‑haul freight carriers to construction and mining haulers – the fuel injector is the cornerstone of engine performance, efficiency, and emissions compliance. The 0414701044 electronic fuel injector is a premium, Bosch‑compatible replacement engineered specifically for Scania's advanced common‑rail diesel engines. This high‑precision solenoid injector delivers the exact fuel metering, spray characteristics, and injection timing required to maintain the legendary Scania reputation for power, reliability, and fuel economy.
Whether you are servicing a fleet of Scania R‑series, G‑series, or P‑series trucks, the 0414701044 offers a direct, drop‑in fit with no modifications required. As a Bosch‑compatible injector (often cross‑referenced with Scania OEM part numbers), it is manufactured to meet or exceed original equipment specifications. In this comprehensive guide, we examine its advanced engineering, compatible Scania engine models, common failure signs, professional installation best practices, and why Rsolid Engine Parts is the trusted global supplier for Bosch fuel injection components.
1. Structural Features & Advantages of the 0414701044 Injector
The 0414701044 is a solenoid‑actuated high‑pressure common‑rail (HPCR) injector, designed in cooperation with Bosch standards for Scania's DC‑series engines. Its engineering incorporates several advanced features to meet the demands of heavy‑duty trucking:
High‑pressure common‑rail architecture – Designed for operating pressures up to 1,800 – 2,000 bar (depending on engine calibration), this injector ensures ultra‑fine atomisation of the fuel. This results in complete combustion, improved power output, and reduced particulate and NOx emissions. The high pressure enables multiple injection events (pilot, main, post) for quieter combustion, smoother idle, and better cold‑start performance.
Precision‑engineered multi‑hole nozzle – The nozzle features a specific number of laser‑drilled orifices (typically 7–9 holes) with carefully optimised spray angles to match the Scania combustion bowl geometry. This ensures proper fuel penetration, optimal air‑fuel mixing, and minimal cylinder wall impingement, reducing oil dilution and soot formation – critical for extended DPF life.
Fast‑response solenoid actuator – The high‑speed solenoid provides exceptionally rapid opening and closing times (typically under 0.2 ms), enabling:
Multiple pilot injections – Reducing combustion noise and NOx formation.
Main injection – Delivering the primary fuel charge for maximum power and torque.
Post injections – Aiding in DPF regeneration and reducing particulate emissions.
Hardened high‑grade alloy steel construction – Manufactured from premium, corrosion‑resistant steel with precision‑ground internal components (plunger, barrel, control valve, and needle). This ensures consistent fuel delivery over thousands of operating hours, even with varying fuel quality and in harsh operating environments.
Integrated fine‑mesh inlet filter – A high‑efficiency filter protects the sensitive nozzle and control valve from fuel‑borne debris, significantly extending service life and reducing the risk of injector sticking or premature wear.
Precision‑ground control valve and seat – The internal control valve and seat are lapped to sub‑micron tolerances, ensuring a positive, leak‑free seal at the end of each injection cycle. This maintains consistent injection timing and prevents fuel leakage into the cylinder, which can dilute engine oil and cause severe engine damage.
Advanced wear‑resistant coatings – Critical internal components feature Diamond‑Like Carbon (DLC) or similar low‑friction coatings to reduce wear, improve durability, and ensure consistent performance over extended service intervals.
OEM‑grade calibration with IQA trim code – Each injector is factory‑calibrated to deliver the exact fuel quantity vs. energising time (IQ‑ET) curve required for Scania engine control units (ECUs). A unique trim code (IQA) is provided for precise programming into the vehicle's ECU using Scania diagnostic software (e.g., SDP3).
Bosch‑compatible design – The 0414701044 is manufactured to Bosch's exacting specifications, ensuring seamless compatibility with Scania's fuel system and electronics.
Operational benefits for fleet operators and workshop technicians:
Fuel savings of 3‑6% compared to worn or low‑quality injectors, thanks to precise metering and optimised spray patterns.
Reduced exhaust emissions – Cleaner combustion helps meet Euro 4, 5, and 6 emissions standards, reducing DPF clogging and regeneration frequency.
Smoother idle and improved cold starting – Consistent pilot injection ensures reliable ignition in cold weather.
Quieter engine operation – Multiple injection events reduce diesel knock and vibration, improving driver comfort.
Extended injector service life – High‑quality materials and precision manufacturing deliver up to 150,000 – 200,000 km of reliable service.
100% direct drop‑in fit – Identical to the original Bosch/Scania injector in all critical dimensions – no adapters or modifications required.
2. Compatible Vehicle Applications
The 0414701044 injector is extensively used in a variety of Scania heavy‑duty trucks equipped with DC‑series common‑rail diesel engines, including DC13 and DC16 platforms. It is the direct replacement for Scania OEM part numbers such as 2078950, 2078951, and 2081422 (check your specific model).
| Truck Model | Engine / Notes | Years / Applications |
|---|
| Scania R‑series (R420, R440, R480, R500, R580, R620) | DC13 (12.7L) and DC16 (15.6L) engines | 2004–2018 (Euro 4/5/6) |
| Scania G‑series (G420, G440, G480) | DC13 (12.7L) engine | 2007–2018 |
| Scania P‑series (P360, P400, P440) | DC13 (12.7L) engine | 2007–2018 |
| Scania S‑series (S450, S500, S590, S650) | DC13 and DC16 engines (Euro 6) | 2016–present |
| Scania XT (heavy‑duty construction) | DC13 and DC16 engines | 2017–present |
Critical cross‑reference: The 0414701044 is a Bosch reference number. It is directly compatible with Scania OEM numbers 2078950, 2078951, and 2081422 – always verify with your vehicle's VIN and existing injector part number before ordering. The injector is supplied as a bare unit; new copper sealing washers, O‑rings, and high‑pressure line seals should be installed simultaneously.
3. Common Failure Modes & Installation/Replacement Recommendations
Typical Warning Signs That Your Injector Needs Replacement
Rough idle and engine misfire – Inconsistent fuel delivery from a sticking or worn injector causes cylinder imbalance, felt as a shaky idle or engine stuttering – particularly noticeable in Scania's smooth‑running inline‑6 engines.
Excessive black smoke under acceleration – Over‑fuelling or poor atomisation leads to incomplete combustion, producing heavy soot and visible smoke.
Increased fuel consumption – A worn or incorrectly calibrated injector may over‑fuel, reducing fuel economy and increasing operating costs.
Hard starting / long cranking – Residual pressure loss due to internal leakage makes cold starts difficult, especially in cold climates.
Fuel in engine oil (diesel smell on dipstick) – A leaking injector can allow fuel to run down the cylinder wall and contaminate the sump oil, risking bearing damage and engine failure.
Check engine light / fault codes – Common codes include P0200 (injector circuit), P0261–P0270 (cylinder balance), or P1213 (injector calibration).
Poor DPF regeneration – Incomplete combustion increases soot loading, requiring more frequent DPF regenerations and reducing fuel economy.
Professional Installation Best Practices
Proper installation is essential for performance and longevity. Follow these steps:
Clean the injector bore and surrounding area – Remove the old injector and thoroughly clean the sealing seat in the cylinder head using a specialised reamer and vacuum. The seat must be free of carbon and debris.
Replace all sealing components – Always install a new copper sealing washer and new O‑rings. These are single‑use items. Also replace the high‑pressure line seals if required.
Lubricate O‑rings – Lightly coat new O‑rings with clean diesel fuel or a specialised assembly lubricant. Do not use grease or silicone.
Install the injector – Insert the injector carefully, ensuring it seats correctly against the copper washer. Do not force it.
Torque the clamping bolt – Tighten the injector clamp bolt to Scania's specified torque (typically 25–30 N·m – verify with your workshop manual).
Reconnect the fuel line and electrical connector – Tighten the fuel line fittings to the specified torque (typically 20–25 N·m). Ensure the electrical plug is clean and securely locked.
Program the injector trim code (IQA) – Using Scania diagnostic software (SDP3), enter the new injector's trim code into the ECU. This step is critical for correct fuel calibration.
Prime the fuel system – Use the hand primer or lift pump to remove air from the system. Crank the engine briefly (without starting) to bleed air, then start and allow to idle.
Check for leaks and perform a cylinder balance test – After starting, check for fuel leaks. Perform a cylinder cut‑out test to confirm even fuel delivery – deviations should be within ±3% of each other.
Test drive and monitor – Take the vehicle for a test drive under varying loads and check for smooth acceleration and normal exhaust smoke levels.
4. Why Rsolid Engine Parts Is Your Preferred Global Supplier
Rsolid Engine Parts has been a premier supplier of Bosch, Delphi, and other diesel fuel injection components for over 15 years, serving trucking fleets, workshops, and distributors across six continents. Here is why the 0414701044 injector from Rsolid is the smart choice:
OEM‑equivalent quality – Manufactured to ISO 9001:2015 and IATF 16949 standards, using the same high‑grade materials and calibration processes as genuine Bosch/Scania injectors.
100% leak, flow, and spray tested – Every injector undergoes stringent bench testing for internal leakage, opening pressure, spray pattern, and fuel delivery accuracy. Test reports are available upon request.
Complete installation kits – We offer the injector together with new copper washers, O‑rings, and seals in a convenient kit – simplifying your ordering and ensuring you have all necessary components.
Global stock and rapid dispatch – Warehouses in Asia, Europe, and North America ensure 3‑7 working day delivery worldwide.
Competitive wholesale pricing – Volume discounts for workshops, fleet operators, and bulk buyers.
Free expert technical support – Our diesel specialists provide trim code programming advice, torque specs, and troubleshooting via WhatsApp or email.
Solid warranty – 12 months / 50,000 km against manufacturing defects and premature wear.
Contact Rsolid Engine Parts Today
📧 Email: amy@rinjector.com
📱 WhatsApp: +86 15975376778
Whether you need a single 0414701044 injector or a full set for a complete Scania engine overhaul, Amy and her team will provide a detailed quote, stock confirmation, and shipping schedule within 2 hours. We also supply complementary parts – fuel filters, seal kits, and complete injector sets – for comprehensive fuel system maintenance.
Choose the 0414701044 Bosch‑compatible injector from Rsolid – engineered to deliver precise fuel delivery, cleaner emissions, and reliable power for your Scania truck engine.
