| MOQ: | 1 pieces |
| Price: | US $280.32-300.32 |
| Payment Method: | L/C,D/A,D/P,T/T |
| OE No. | 0445010641 |
| Type | Fuel Injector Pump |
| Car Make | Diesel Car |
| Packing | Neutral Packing or Customize Packing |
| Warranty | 1 Year |
| MOQ | 1PC |
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<Product Description>
This high-pressure diesel common-rail fuel pump assembly (Part ID: 0445010641 /
0 445 010 641; common OE cross-references include 0445010642, 0445010813, 0445010814, 12661059, 12638262,
12641847, etc.) is precision-engineered for the 6.6L V8 turbo-diesel platform. It is widely used in heavy-duty
pickups and commercial vehicles such as the Sierra 2500HD/3500HD, Silverado 2500HD/3500HD, and Express
3500/4500. Serving as the core power source for generating extreme rail pressure and ensuring stable fuel
delivery, it efficiently pressurizes low-pressure diesel and delivers it evenly to the high-pressure fuel rail,
guaranteeing a continuous and steady fuel supply across all engine speeds and operating conditions.
The pump body is constructed from high-strength forged alloy, while the core plungers and control valve spools
undergo precision hardening and ultra-hard, wear-resistant coating treatments to effectively resist
contamination and internal pressure loss. Upon installation, users will notice a significant improvement in
power delivery: cold starts are quick and smooth, idle operation is stable, and pump noise is reduced. During
heavy towing or high-speed cruising and acceleration, throttle responsiveness is noticeably enhanced with agile,
robust power delivery, helping to restore factory-level driving dynamics and excellent fuel efficiency.
</Product
Description>
<Product Advantages>
Direct-from-factory manufacturing with optimized cost management throughout the
entire process. We provide a one-stop, high-standard parts supply solution that eliminates common points such as
complex procurement workflows, excessive intermediary markups, and inconsistent quality tolerances. Precision
manufacturing via standardized assembly lines ensures highly consistent oil supply pressure and flow rates
across all cylinders, delivering reliable power output while keeping maintenance budgets under control.
Dynamic pressure testing across all operating conditions and rigorous quality inspections. To address issues such as oil pressure fluctuations, sluggish acceleration, and intermittent warning lights often caused by substandard components, every high-pressure pump undergoes automated bench testing simulating real-world high-temperature and high-pressure conditions. Precise testing of sealing integrity and fuel return volume across various pressure ranges ensures "plug-and-play" readiness, significantly reducing labor costs associated with repeated removal, installation, and adjustment.
Large-scale, consistent inventory and rapid shipping. To mitigate downtime losses and operational delays caused by fuel system failures in commercial and commuter vehicles, our warehouse maintains ample stock of core specifications. Orders are quickly processed and shipped within 24–48 hours, effectively shortening wait times and helping fleets and vehicle owners get back on the road quickly.
High-hardness, corrosion-resistant valve components with wear-resistant coatings. Designed to combat premature wear and valve spool sticking caused by poor diesel lubricity or high sulfur content in certain regions. Key internal wear components are crafted from premium special alloy bearing steel and treated with a specialized surface hardening process; this ensures exceptional fatigue and wear resistance, maintaining stability under harsh conditions and prolonged continuous operation, thereby significantly extending service life. </Product Advantages>
<Specifications Table>
| Parameter Name | Parameter Value |
| Product Name | High-Pressure Common Rail Fuel Pump for Heavy-Duty Pickups & Commercial Diesel Engines |
| Standard Part Number | 0445010641 |
| Cross-Reference Numbers | 0 445 010 641 / 0445010642 / 0445010813 / 0445010814 / 12661059 / 12638262 |
| Compatible Engine Platform | 6.6L V8 Diesel Engine Platform |
| Fuel Supply System | CP4 Electronically Controlled High-Pressure Common Rail System |
| Pump Body Material | High-strength, high-density forged alloy steel |
| Internal Component Material | Specially hardened bearing steel / Wear-resistant coating |
| Maximum Operating Pressure | ≥ 2000 bar (steady-state output) |
| Operating Temperature Range | -40°C to +125°C |
| Seal Material | High-temperature and corrosion-resistant special fluoroelastomer (FKM) |
| Net Weight (Per Unit) | Approx. 5.11 kg |
| Quality Testing Standard | 100% automated test bench verification (full-range pressure and flow testing) |
| </Specifications Table> |
<Application Scenario>
Heavy-duty pickup towing and high-load hauling: Large pickups equipped with
6.6L V8 diesel engines often operate under sustained high-load cruising conditions when towing heavy RVs, horse
trailers, or construction equipment. Technicians install this high-pressure fuel pump when vehicles exhibit
sluggish acceleration or delayed fuel pressure response on steep inclines. Post-installation, high-pressure
buildup is rapid and stable, ensuring robust and smooth acceleration under heavy loads for safe, seamless
long-distance towing. Intercity Heavy-Duty Commercial Van & Logistics Delivery: Large commercial cargo
vehicles frequently operate on intercity routes, often facing stop-and-go traffic and the need to accelerate
from a standstill while fully loaded. When vehicles exhibit slow cold starts, noticeable low-speed vibration, or
intermittent "low oil pressure" warning lights, the maintenance team promptly installs a high-spec
high-pressure fuel pump. This restores power output, improves fuel efficiency, and ensures operational
timeliness.
</Application Scenario>
Q: Can the fuel pump be installed and used immediately upon receipt? Is recalibration required?
A: Pressure
and flow calibration across all operating conditions is completed before the product leaves the factory.
Provided the fuel lines are clean, the unit can be put into immediate use after professional installation
(adhering to standard torque specifications) and the purging of air from the fuel system.
Q: What are the lead times and stock availability for bulk orders?
A: We operate our own production
facilities and warehouses, maintaining a steady stock of this model year-round. Standard orders ship within
24–48 hours of confirmation, while production schedules for bulk orders can be rapidly arranged.
Q: What quality tests does the product undergo before leaving the factory?
A: All products are assembled in
a Class 100 cleanroom environment and undergo 100% dynamic bench testing at high temperatures and ultra-high
pressures. We rigorously monitor pressure build-up, fuel return volume, and sealing performance to ensure the
product meets quality standards for vehicle installation.
Q: What is the warranty period for the product?
A: We provide a 12-month warranty for this product. Should
any malfunction occur due to non-human factors during the warranty period, we offer rapid after-sales technical
support and service to protect your interests.