- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The oil pump is the heart of your engine’s lubrication system, ensuring that every moving part receives a steady supply of clean oil under pressure. The genuine SINOTRUK HOWO LZZ5C1VB9NW070741 Oil Pump is an OEM‑grade component manufactured to exacting tolerances for a perfect fit and lasting durability. As a critical element of the trusted Sinotruk howo parts family, this oil pump guarantees consistent oil flow, superior wear resistance, and long‑term reliability. Designed for heavy‑duty HOWO engines, the LZZ5C1VB9NW070741 pump ensures that your truck’s engine remains protected even under the most extreme operating conditions.
Oil Pump
Масляный насос
Bomba de aceite
The LZZ5C1VB9NW070741 oil pump features a robust gear‑type design with hardened and ground spur gears for maximum durability and efficiency. The gears are manufactured from case‑hardened alloy steel, ensuring resistance to wear even with high‑soot oils. The pump housing is precision‑cast from high‑strength aluminum alloy, providing a lightweight yet rigid structure that maintains proper gear clearances under all operating temperatures.
An integrated pressure relief valve ensures that oil pressure never exceeds safe limits, protecting the engine from over‑pressure damage during cold starts. The valve is precisely calibrated and features a hardened steel ball and spring for consistent operation. The pump also includes a built‑in oil strainer to prevent debris from entering the lubrication circuit, extending the life of bearings and turbochargers.
Every LZZ5C1VB9NW070741 oil pump undergoes rigorous flow and pressure testing before leaving the factory. The pump is verified to deliver the specified flow rate at both idle and rated engine speeds, ensuring that critical components receive adequate lubrication under all conditions. This attention to quality guarantees that the pump meets or exceeds original equipment specifications.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO LZZ5C1VB9NW070741 Oil Pump. This data is essential for verifying compatibility and performance characteristics.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | LZZ5C1VB9NW070741 | SINOTRUK HOWO Original Code |
| Product Name | Oil Pump | Engine lubrication |
| Pump Type | Gear pump, external spur gears | High efficiency, low noise |
| Material (Housing) | Die‑cast aluminum alloy | Lightweight, corrosion resistant |
| Material (Gears) | Case‑hardened alloy steel | Surface hardness HRC 58‑62 |
| Displacement per revolution | 26.5 cc/rev | Measured at 100°C oil |
| Relief Valve Setting | 5.5 bar ±0.3 bar | Cold start protection |
| Flow Rate @ 2000 rpm | 53 L/min (approx.) | With 10W‑40 oil at 80°C |
| Mounting Bolt Torque | 22–25 N·m | Use thread locker |
| Dry Weight (approx.) | 2.8 kg | Complete with relief valve |
| Compatible Engines | HOWO 6‑cylinder (WD615 series, etc.) | Verify with engine serial |
Proper installation of the LZZ5C1VB9NW070741 oil pump is critical for engine reliability. Begin by draining the engine oil and removing the oil pan. If the pump is driven by the camshaft or crankshaft, ensure the engine is at top dead center to avoid timing issues. Remove the old pump after disconnecting any oil pickup tubes. Clean the mounting surface thoroughly and inspect the block for any debris or damage.
Prime the new LZZ5C1VB9NW070741 pump by filling it with clean engine oil before installation. This step ensures immediate oil pressure upon start‑up. Install the pump with a new gasket or O‑ring, and tighten the mounting bolts to the specified torque in a crisscross pattern. Reattach the oil pickup tube with a new seal, and ensure it is securely fastened. After reinstalling the oil pan, fill the engine with the recommended oil and check for leaks. The pump is a direct OEM replacement for HOWO engines using the LZZ5C1VB9NW070741 part number; always verify compatibility with your engine model.
Before installing the LZZ5C1VB9NW070741 pump, inspect the oil pressure relief valve bore for any scoring or burrs. Lubricate all moving parts with assembly lube. After start‑up, monitor oil pressure closely for the first few minutes and check for unusual noise. If pressure does not build within 10 seconds, shut down and investigate immediately.
The LZZ5C1VB9NW070741 pump delivers stable oil pressure across all operating conditions, ensuring that bearings, camshafts, and turbochargers receive adequate lubrication. This consistency reduces wear and extends engine life.
Precision clearances and high‑grade materials allow the pump to maintain efficiency even with oil temperatures up to 120°C. This is crucial for heavy hauling and stop‑and‑go traffic.
The optimized gear profile and surface finish minimize internal friction, reducing parasitic power loss and improving fuel economy. Every drop of oil is used efficiently.
With case‑hardened gears and a rigid housing, the LZZ5C1VB9NW070741 pump is built to last over 500,000 km under normal service conditions. It resists wear from soot and contamination.
A failing oil pump can lead to catastrophic engine damage. Common indicators that the LZZ5C1VB9NW070741 needs replacement include low oil pressure warning lights, noisy operation (whining or knocking), metal particles found in the oil during changes, and erratic pressure readings. If the engine has suffered from oil starvation due to a clogged pickup or worn bearings, the pump should always be replaced as a precaution.
Ignoring oil pump issues can result in spun bearings, scored crankshafts, and complete engine failure. Replacing it promptly with a genuine LZZ5C1VB9NW070741 restores proper lubrication and protects your investment. During major overhauls, always install a new oil pump to ensure long‑term reliability.
To maximize the life of your LZZ5C1VB9NW070741 oil pump, follow the engine manufacturer’s recommended oil change intervals using high‑quality oil and filters. Contaminated oil accelerates gear wear. Regularly check oil pressure during routine maintenance and investigate any sudden drops. Keep the oil pickup screen clean by ensuring the oil pan is free of sludge.
When performing engine work, avoid introducing debris into the oil galleries. Use assembly lube during rebuilds to provide initial protection. If the engine has experienced overheating, consider inspecting the pump for signs of thermal stress. By maintaining a clean and well‑lubricated engine, your LZZ5C1VB9NW070741 pump will provide reliable service for hundreds of thousands of kilometers.
Generic aftermarket oil pumps often use inferior materials, imprecise gear manufacturing, and incorrect relief valve settings, leading to inadequate oil pressure, premature wear, and even pump failure. The genuine SINOTRUK HOWO LZZ5C1VB9NW070741 oil pump is engineered to the exact specifications of your engine, ensuring correct flow rates, pressure characteristics, and durability. It is manufactured under strict quality controls using the same tooling and materials as the original part fitted at the factory.
By choosing the authentic LZZ5C1VB9NW070741, you protect your engine from oil‑related failures, maintain warranty coverage, and ensure your HOWO operates with maximum efficiency and reliability. For fleet managers and owner‑operators who demand the best, the genuine LZZ5C1VB9NW070741 is the only responsible choice.
The LZZ5C1VB9NW070741 Oil Pump is part of SINOTRUK’s comprehensive line of genuine powertrain components. Whether you operate in extreme cold, desert heat, or high‑altitude conditions, this pump delivers dependable lubrication. Its robust construction resists wear and maintains pressure, providing peace of mind for every journey. Always insist on genuine parts to keep your HOWO running at its best.
For workshops and service centers, stocking the genuine LZZ5C1VB9NW070741 ensures that every engine repair meets the highest standards. Customers will appreciate the reliable oil pressure, quiet operation, and extended engine life. With the LZZ5C1VB9NW070741, you are not just replacing a pump—you are safeguarding the heart of the vehicle.
Remember, proper lubrication is the key to long engine life. Using genuine SINOTRUK HOWO parts like the LZZ5C1VB9NW070741 is an investment in reliability, performance, and operational efficiency. Trust the original, trust the LZZ5C1VB9NW070741.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
