0445010512 Common Rail Fuel Pump – Bosch-Compatible CP1H / CP3 Pump for F1CE3481N & F1CE3481E Diesel Engines
The 0445010512 common rail fuel pump (Bosch compatible) is a high-pressure fuel delivery component engineered for the F1CE3481N and F1CE3481E diesel engines – 3.0L powerplants widely used in Iveco, Fiat Ducato, and other commercial vehicles. This pump supplies pressurised fuel (up to 1,800 bar) to the injectors, ensuring optimal combustion, reduced emissions, and reliable engine performance. Below we examine its structural advantages, engine compatibility, common failure symptoms, installation best practices, and why Rsolid engine parts is your ideal supplier.
1. Structural Advantages of the 0445010512 Fuel Pump
The 0445010512 is a Bosch CP1H (or CP3 variant) radial piston pump, offering several engineering benefits:
Three‑piston radial design – Three radially arranged plungers driven by an eccentric cam provide smooth, high‑pressure fuel delivery with minimal pulsation. This design ensures stable rail pressure even at low engine speeds.
Integrated flow control valve (ZME) – Electrically controlled by the ECU, the inlet metering valve precisely regulates fuel quantity entering the pumping chamber, reducing parasitic losses and improving fuel efficiency.
Hardened steel plungers and cylinder liners – Resists wear from low‑lubricity biodiesel ULSD fuels, extending pump life in demanding commercial vehicle applications.
Built‑in overflow valve – Protects the pump from over‑pressure events, returning excess fuel to the tank and maintaining system safety.
Standardised mounting flange – Direct bolt‑on replacement for OEM pumps, matching all bolt patterns, gear drive, and high‑pressure connection ports on F1CE3481 engines.
Aluminium housing with corrosion-resistant coating – Lightweight yet durable, suitable for under‑hood conditions in vans and light trucks.
These features translate into consistent high-pressure delivery, lower fuel consumption, and long service intervals.
2. Compatible Engine & Vehicle Models – F1CE3481N & F1CE3481E
The 0445010512 high-pressure pump is specifically calibrated for Fiat Powertrain Technologies (FPT) F1C engines – 3.0L common rail diesels. Verified applications include:
| Engine Code | Displacement | Fuel System Pressure | Typical Power Output | Common Vehicles |
|---|
| F1CE3481N | 2,998 cc | Bosch CP3 (1,600–1,800 bar) | 107–130 kW (146–177 hp) | Iveco Daily, Fiat Ducato |
| F1CE3481E | 2,998 cc | Bosch CP3 (1,600–1,800 bar) | 107–130 kW (146–177 hp) | Iveco Daily, Fiat Ducato |
Detailed vehicle list:
| Make | Model | Years | Engine Code | Notes |
|---|
| Iveco | Daily (Gen 5, 6) | 2006–2019 | F1CE3481N, F1CE3481E | 3.0L HPI (High Pressure Injection) |
| Fiat | Ducato (X250, X290) | 2006–2019 | F1CE3481N, F1CE3481E | 3.0L Multijet |
| Fiat | Ducato (motorhome chassis) | 2006–2019 | F1CE3481N | Based on same engine |
| Peugeot | Boxer (2.0 – actually F1C) | 2006–2019 | F1CE3481N | 3.0L HDi (rebadged Iveco engine) |
| Citroën | Jumper (same as Boxer) | 2006–2019 | F1CE3481N | 3.0L HDi |
Note: Always verify your original pump part number – look for 0445010512, 0445010412, or Iveco OEM numbers 5802380587, 504294226. Some F1C engines use pump 0445010513 or 0445010502 – check your pump’s Bosch number before ordering.
3. Common Failure Symptoms & Installation Replacement Advice
The CP1H/CP3 pumps on F1C engines are durable, but failures occur due to fuel contamination, wear, or internal breakdown. Recognizing symptoms early prevents injector and rail damage.
Typical failure symptoms of a failing 0445010512 pump:
Hard starting or prolonged cranking – Pump cannot build minimum rail pressure (typically 200–250 bar) due to worn plungers or faulty flow control valve.
Loss of power under load – Rail pressure drops under heavy throttle, triggering limp mode or P0087 (fuel rail pressure too low).
Engine stalling, especially when warm – Internal leakage causes pressure loss after shutdown; hot fuel viscosity drops, exacerbating leakage.
Frequent injector return flow codes – Pump degradation sends metal particles downstream, damaging injectors and causing high return rates.
Fuel in engine oil – Drive shaft seal fails, allowing diesel to leak into the timing gear housing and then into sump – serious safety hazard.
Abnormal noise (whining or rattling) – Worn bearings or plungers create audible noise from the pump area.
P0191, P0087, P0088 fault codes – Related to rail pressure sensor plausibility, pressure too low, or pressure too high.
Installation & replacement best practices for F1CE3481 engine:
Replace the timing belt or gears – The pump is gear‑driven. If the old pump had internal failure (metal debris), flush the entire fuel system, including the tank, lines, rail, and injectors.
Install a new high‑pressure fuel filter – Use genuine Iveco/Fiat filter (e.g., 500381699) to protect the new pump.
Clean all banjo bolts and return line restrictors – Some F1C engines have a small orifice in the return banjo bolt – ensure it is not clogged.
Replace pump drive shaft seal (if separate) – The pump comes with a new seal. Apply a thin film of clean oil to the seal lip before installation.
Torque pump mounting bolts – Use 25 Nm for M8 bolts (typical) – refer to service manual. Over‑torquing distorts the pump housing.
Replace all high‑pressure pipe unions – Once loosened, the compression fittings should not be reused. New pipes or unions are recommended for leak‑free operation.
Prime the low‑pressure system – Use a hand primer or vacuum pump to pull fuel through the filter and pump before starting. Do not rely on the pump to prime itself – dry running destroys new pumps.
Perform a rail pressure adaptation – After installation, use diagnostic software (Iveco E.A.SY., Fiat MultiECUScan, Autel) to reset fuel pressure adaptation values.
Injector coding not required for pump – But if injectors were damaged by the old pump, replace and code them as well.
Run a fuel return flow test – After repair, ensure the pump‘s return flow is within specification (< 1 L/min at high idle).
4. Why Choose Rsolid Engine Parts as Your Supplier?
At Rsolid engine parts, we specialise in high‑quality diesel fuel injection components:
100% test‑bench verified – Every 0445010512 pump is calibrated on a common rail test bench to ensure accurate flow and pressure regulation (±2% tolerance).
Bosch‑compatible, OE fitment – Direct replacement for Iveco/Fiat OEM pumps; matches all mounting points and hydraulic connections.
New build, not remanufactured – All units are newly manufactured to Bosch specifications.
Competitive wholesale pricing – Ideal for fleet owners, repair shops, and parts distributors.
Fast global shipping – Stock available from warehouses in Asia, Europe, and North America.
Expert technical support – Our team helps with diagnostic troubleshooting, coding (if needed), and installation questions.
12‑month warranty – Against manufacturing defects and premature wear.
📧 Contact us for a quote or technical assistance:
✉️ Email: amy@rinjector.com
🌐 Website: www.rinjector.com
