Original ZF Oil Pump Assembly – Part No. 0501004551 Genuine ZF Transmission Oil Pump for ZF Gearbox Repair & Overhaul
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- In-stock availability for urgent repairs.
- Free technical guidance on installation and compatibility
- P/N:0501004551
Looking for reliable ZF parts? This is the original ZF Oil Pump (Part Number: 0501004551) , a critical component designed for ZF transmissions used in heavy-duty trucks, buses, and commercial vehicles. As a trusted ZF parts supplier, we offer genuine-quality oil pumps that ensure optimal lubrication pressure, smooth shifting, and long-term gearbox performance. Whether you’re searching for a professional ZF parts dealer or need authentic ZF gearbox parts, this OEM-spec oil pump is ideal for transmission rebuilds, maintenance, and replacements.
Product Overview
The ZF Oil Pump (Part No. 0501004551) is a precision-engineered internal gear pump responsible for maintaining consistent oil pressure within ZF mechanical and automated manual transmissions. It plays a vital role in lubricating gears, bearings, synchronizers, and hydraulic systems, preventing overheating and premature wear.
This genuine-equivalent oil pump meets strict ZF OEM specifications, ensuring perfect fit, high flow efficiency, and durability under extreme operating conditions. Commonly used during transmission overhauls, it’s compatible with various ZF models including ZF S6 series, Ecomid, and other medium-to-heavy-duty gearboxes found in brands like MAN, Scania, DAF, Iveco, Sinotruk, and more.
As a certified ZF parts supplier, we guarantee authenticity, traceability, and reliability — making us your ideal ZF parts dealer for fleet operators, repair shops, and independent mechanics worldwide.
Technical Specifications (Technical Data Table)
| Parameter | Specification |
|---|---|
| Part Name | Transmission Oil Pump |
| Part Number | 0501004551 |
| OEM Number | ZF 0501004551 |
| Function | Lubrication & Hydraulic Pressure Supply |
| Design Type | Internal Gear Pump |
| Material | High-Strength Cast Iron + Alloy Steel Gears |
| Flow Rate | OEM Standard (~12–18 L/min depending on RPM) |
| Pressure Output | Regulated up to ~8–12 bar (as per system design) |
| Mounting Position | Front-mounted, driven by input shaft |
| Compatibility | ZF S6-80, S6-90, Ecomid, and select ZF AMT systems |
| Condition | New, Original Quality |
| Application | Trucks, Buses, Construction Equipment, Commercial Vehicles |
Simple Installation Tip (Install Guide Note)
🔧 Installation Tip: Always replace the oil pump seal and clean the pickup screen when installing a new ZF oil pump. Prime the pump with transmission oil before startup to prevent dry running. Ensure correct alignment with the drive gear on the input shaft. Use torque wrench to tighten mounting bolts (recommended 18–22 Nm). After installation, check for leaks and verify oil pressure via diagnostic tools or pressure test port. We recommend professional installation by technicians experienced with ZF gearbox systems.
Packaging & Shipping
By Express : Suitable for sample order or <50 KG Fast:3-10 days High shipping cost Door to door service
By Air : Suitable for >50 KG Fast: 3-7 days Lower than express cost Airport to airport service
By Sea: Suitable for >300 KG Lower cost port to port service
As a leading supplier and dealer of ZF parts, we provide genuine components to maintain the integrity and efficiency of your gearbox system. Trust in our expertise and quality assurance to keep your ZF gearbox running smoothly.
| Installation Tips | Surface prep: Degrease with ZF Cliclean 3 solvent； Gasket application: Use Loctite 518 in continuous 1.5mm bead；； Alignment: Install using factory alignment pins (ZF tool B40 5003 recommended)；； Torque sequence:Initial: 12Nm star pattern—–Final: 28Nm + 90° angle torque；；；； Post-install: Pressure test at 2.5 bar before fluid fill |
|---|
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