Product Introduction

• Structure: A precision-engineered pump with a cast-aluminum housing, integrated high-pressure plungers, an electronic control unit (ECU), and solenoid valves for pressure regulation. It features multiple fuel outlets for direct connection to injectors, and a drive shaft for power transmission from the engine.

• Performance: Delivers precise, consistent fuel pressure (up to 1600 bar) to the common rail, ensuring optimal injector operation and combustion efficiency. The electronic control system adjusts pressure dynamically based on engine load and speed, improving fuel economy and reducing emissions.

• Design: Directly interchangeable with original equipment pumps, engineered to match the engine’s fuel system specifications for seamless integration and reliable performance.

Core Function

1. High-Pressure Generation: Converts low-pressure fuel from the transfer pump into high-pressure fuel for the common rail system, enabling precise injector atomization.

2. Dynamic Pressure Regulation: The electronic control unit adjusts fuel pressure in real time to match engine operating conditions, optimizing power delivery and fuel efficiency.

High-Pressure Fuel Injection Pump 612640080039 WEICHAI – OEM-Grade Performance at Factory-Direct Pricing

Your engine’s heartbeat depends on precise fuel delivery. The High-Pressure Fuel Injection Pump 612640080039 engineered for WEICHAI WP10/WP12 series engines delivers consistent rail pressure up to 1,600 bar, ensuring optimal atomization, complete combustion, and maximum power output across every duty cycle. Sourced directly from certified production lines, this pump arrives at your warehouse with OEM-equivalent quality — minus the inflated middleman markup.

Why This High-Pressure Fuel Injection Pump Outperforms Alternatives

A fuel injection pump isn’t just a component — it’s the precision instrument that governs your engine’s efficiency, emissions compliance, and service life. Here’s what the 612640080039 brings to your fleet:

• Consistent High-Pressure Output: Maintains stable rail pressure at 1,400–1,600 bar across varying RPM ranges, delivering uniform fuel spray patterns that reduce particulate emissions by up to 15%.
• Extended Service Life: Hardened cam profiles and precision-lapped plunger pairs resist wear beyond 500,000 km under standard operating conditions.
• Drop-In Fitment: Matches OEM bolt patterns, fuel line connections, and ECU calibration data — zero modifications required during installation.
• Fuel Economy Optimization: Tight metering tolerances (±1.5%) ensure no fuel is wasted, translating directly to lower cost-per-kilometer for fleet operators.
• Thermal Stability: Operates reliably within -30°C to +120°C ambient temperature ranges, suited for extreme climate deployments from Sub-Saharan Africa to Central Asia.

Technical Specifications – High-Pressure Fuel Injection Pump 612640080039 WEICHAI

Application Scenarios – Where This Fuel Injection Pump Performs

The High-Pressure Fuel Injection Pump 612640080039 is purpose-built for heavy-duty commercial vehicles and industrial equipment powered by WEICHAI WP10 and WP12 engines. Its real-world applications include:

• SINOTRUK HOWO A7 / T7H Tractor Trucks – Long-haul logistics across Africa, Southeast Asia, and the Middle East where consistent power delivery over 800+ km daily routes is non-negotiable.
• SHACMAN F3000 / X3000 Dump Trucks – Mining and construction environments demanding peak torque under continuous high-load conditions.
• FOTON Auman GTL Heavy Trucks – Regional distribution fleets requiring fuel efficiency optimization for cost-sensitive operators.
• WEICHAI-Powered Wheel Loaders and Generators – Off-highway industrial applications where injection precision directly impacts productivity and fuel budgets.
• Dongfeng Kinland Series – Mixed-fleet operators maintaining diverse WEICHAI-powered vehicles under a single parts sourcing strategy.

Whether your vehicles are hauling containers through port corridors or moving earth on a construction site, this pump keeps the fuel system performing at its engineered peak.

OEM/ODM Capability – Tailored to Your Market

METTLEAD Truck Parts doesn’t just sell parts — we configure supply solutions around your business model:

• White-Label Packaging: Your brand, your box, your market positioning. We print your logo, part numbers, and barcodes directly onto retail-ready packaging.
• Custom Packaging Configurations: Bulk palletized shipments for distributors, or individual protective cases for retail aftermarket channels.
• Strict Quality Control: Every High-Pressure Fuel Injection Pump 612640080039 undergoes flow-rate testing, pressure-holding verification, and dimensional inspection before dispatch.
• Factory-Direct Pricing: No traders, no agents, no markup layers. You negotiate directly with the source — visit our facility anytime for on-site inspection.
• Flexible MOQ: Whether you need 10 units for trial or 1,000 for quarterly stock replenishment, we scale production to your demand cycle.

Client Case Study – High-Pressure Fuel Injection Pump 612640080039 in Action

A fleet maintenance company based in Lagos, Nigeria, managing over 200 SINOTRUK HOWO trucks, faced recurring fuel system failures with aftermarket injection pumps sourced from third-party traders. Average pump lifespan was under 80,000 km — causing frequent downtime, expensive roadside repairs, and delivery delays that cost their contracts.

After switching to the High-Pressure Fuel Injection Pump 612640080039 WEICHAI supplied by METTLEAD, their field data showed:

• Pump service life exceeded 420,000 km with no pressure drop-off reported.
• Fuel consumption per truck decreased by 6.2% within the first 30,000 km of operation.
• Unscheduled fuel system maintenance calls dropped by 78% over a 12-month period.
• Total cost of ownership for the fuel injection system reduced by 34% compared to their previous supplier.

The client now places quarterly bulk orders and has expanded their procurement to include additional WEICHAI engine components from our catalog.

Frequently Asked Questions – High-Pressure Fuel Injection Pump 612640080039

What engines does the 612640080039 fuel injection pump fit?

This high-pressure fuel injection pump is designed specifically for WEICHAI WP10 and WP12 series diesel engines commonly found in SINOTRUK, SHACMAN, FOTON, and Dongfeng heavy-duty trucks. It provides direct bolt-on replacement without ECU recalibration.

How does this pump maintain consistent pressure at high mileage?

The 612640080039 uses precision-lapped plunger pairs with surface hardness exceeding HRC 60. This minimizes internal leakage even after extended service, maintaining rated rail pressure within ±2% tolerance beyond 400,000 km under normal operating conditions.

Can this fuel injection pump handle low-quality diesel fuel?

While the pump incorporates filtration-friendly inlet designs, we strongly recommend using diesel meeting EN 590 or equivalent standards. High sulfur content or water contamination accelerates plunger wear. A pre-filter upgrade is advised for regions with inconsistent fuel quality.

What’s the difference between this pump and cheaper aftermarket alternatives?

Budget alternatives often use softer alloy plungers and loose-tolerance cam profiles that degrade within 50,000–100,000 km. The 612640080039 from METTLEAD matches OEM metallurgical specifications, undergoes individual bench testing, and carries traceable batch quality records.

Does temperature affect this pump’s startup performance?

The pump is rated for cold starts at -30°C. Its internal clearance design prevents seizure during extreme cold, while thermal-stable seals maintain integrity at continuous operating temperatures up to 120°C.

What is the recommended replacement interval?

Under standard operating conditions with clean fuel supply, this high-pressure fuel injection pump typically serves 400,000–600,000 km before requiring replacement. Fleet operators should monitor rail pressure readings during scheduled maintenance intervals for early degradation detection.

Secure Your Supply – Request a Quote Today

Every day without a reliable fuel injection pump supplier costs your fleet in downtime, fuel waste, and lost contracts. The High-Pressure Fuel Injection Pump 612640080039 WEICHAI is in stock and ready to ship to your location worldwide.

What you get when you work with METTLEAD:

• Factory-direct pricing with no hidden fees
• Flexible payment terms (T/T, L/C, Trade Assurance)
• Fast dispatch — most orders ship within 3–7 business days
• Full technical support from specialists who understand WEICHAI engines

👉 Contact us now to get your competitive quote, confirm lead time, or request a sample. Our team responds within 24 hours — because your procurement timeline matters.

Browse our complete range of WEICHAI engine parts to consolidate your order and reduce per-unit shipping costs.