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OEM J4200-1111140-172 The fuel delivery pump is the heart of the engine’s fuel system, responsible for drawing fuel from the tank and supplying it at the correct pressure to the injection pump. The genuine SINOTRUK HOWO J4200-1111140-172 Fuel Delivery Pump is an OEM‑grade component engineered for a perfect fit and long‑term durability. As a vital element of the trusted Sinotruk howo parts family, this fuel pump is crafted with high-strength, heat-resistant materials to endure harsh, high-pressure conditions in truck engines—effectively protecting key components from fuel starvation and premature wear, ensuring smooth installation and helping maintain consistent engine performance even during heavy-load or long-distance operations.
The J4200-1111140-172 pump features a precision-machined rotor and vanes that ensure consistent fuel flow and pressure at all engine speeds.
Critical internal parts are made from hardened steel or advanced composites to withstand the abrasive nature of diesel fuel and provide long service life.
High-quality elastomeric seals maintain their integrity under extreme temperatures and fuel exposure, preventing leaks and air ingress.
The mounting flange is machined to exacting tolerances, ensuring perfect alignment with the engine gear train and eliminating installation issues.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | J4200-1111140-172 | SINOTRUK HOWO Original |
| Product Name | Fuel Delivery Pump | Mechanical lift pump |
| Type | Plunger / Diaphragm type | Cam-driven from engine |
| Flow Rate (nominal) | ~200 L/h at rated engine speed | Sufficient for heavy-duty |
| Output Pressure | 0.3 – 0.5 bar (4-7 psi) | Consistent supply to injection pump |
| Priming Lever | Manual hand primer integrated | For bleeding air after filter changes |
| Inlet/Outlet Ports | M14 x 1.5 (typical) | Standard fuel line fittings |
| Body Material | Die-cast aluminum / Cast iron | Corrosion-resistant |
| Diaphragm Material | Nitrile / Viton coated fabric | Flexible, fuel-resistant |
| Weight (approx.) | 1.1 kg | Compact, robust |
| Compatible Engines | SINOTRUK WD615, WD618, MC series | Fuel system |
The fuel delivery pump ensures a steady supply of filtered fuel to the high-pressure injection pump. A weak or failing J4200-1111140-172 pump can cause power loss, hard starting, stalling, and potential damage to the injection pump due to cavitation. The genuine SINOTRUK HOWO pump is crafted with high-strength, heat-resistant materials to endure harsh conditions, ensuring consistent fuel delivery and reliable engine performance.
The J4200-1111140-172 pump is assembled in a clean environment. The plunger and bore are matched with micron-level precision to ensure efficient pumping with minimal internal leakage.
Every batch of Sinotruk Howo Parts goes through strict testing against international standards (e.g., ISO, CE) and Sinotruk’s original specs. Pumps are 100% flow and pressure tested before shipment.
The development of the J4200-1111140-172 Fuel Delivery Pump focused on providing a reliable and durable fuel supply under all operating conditions. These pumps are subjected to millions of cycles and must resist wear from fuel contaminants. A failed pump can cause engine stalling and costly downtime. This genuine component is engineered to maintain its pumping efficiency and pressure for hundreds of thousands of kilometers.
The internal design of the J4200-1111140-172 is critical. A precision-ground plunger or a durable diaphragm, driven by an eccentric on the camshaft, creates suction and pressure. Check valves ensure one-way flow. The materials are chosen to resist the corrosive effects of diesel fuel and biodiesel blends.
Quality control for the J4200-1111140-172 is exhaustive. In addition to 100% flow and pressure testing, sample pumps are subjected to durability testing on a test bench that simulates engine speed and load cycles. They are also checked for external leaks under pressure. Only components that pass all these rigorous checks are approved for shipment as genuine Sinotruk Howo parts.
A failing fuel delivery pump can cause a range of issues. Symptoms include hard starting, especially after the vehicle has sat for a while, loss of power under load, engine stalling, and increased injector noise. During regular maintenance, the pump should be checked for leaks and proper priming lever operation. If any issues are found, immediate replacement with a genuine J4200-1111140-172 pump is recommended.
Installation is straightforward. The old pump is unbolted from the engine block, and the pushrod is checked for wear. A new gasket is installed, and the new J4200-1111140-172 pump is bolted in place. Fuel lines are reconnected, and the system is primed using the hand primer. Their user-friendly design simplifies replacement, helping technicians cut down on repair time and get Howo trucks back on the road faster.
Field performance of the J4200-1111140-172 pump has proven its exceptional reliability. In a study of over 200 Howo trucks in long-haul service, genuine pumps showed no significant loss of performance within 500,000 km. This reliability translates directly to reduced downtime and lower operating costs for fleet operators, helping maintain consistent engine performance.
For parts managers, the J4200-1111140-172 fuel delivery pumps are available individually, each with a lot traceability label. Bulk orders (10+ units) receive additional packaging discounts and priority handling. The pumps are packaged in individual boxes to prevent damage during transit.
Warranty and support for the J4200-1111140-172 are comprehensive. SINOTRUK HOWO provides a 2‑year/unlimited mileage warranty against manufacturing defects. Our technical support team is available via email to answer any questions regarding installation or compatibility, and we are committed to providing a response within 24 hours.
When ordering, always verify your engine model. The J4200-1111140-172 is designed for specific applications within the WD615/MC engine family. Using the correct part ensures a perfect fit and optimal fuel delivery, ensuring seamless installation without extra modifications.
In summary, the J4200-1111140-172 Fuel Delivery Pump is a vital component for ensuring the reliable performance and longevity of your SINOTRUK HOWO truck’s engine. Its premium materials, precision manufacturing, and rigorous testing make it the preferred choice for fuel supply. Trust the genuine J4200-1111140-172 – it keeps your engine fed with clean fuel.
Regularly check for fuel leaks around the pump. Replace the fuel filter as scheduled to prevent contaminants from reaching the pump. If priming becomes difficult or the pump leaks, replace it immediately with a genuine J4200-1111140-172.
Generic aftermarket fuel pumps often have poor materials, incorrect pressure settings, or sloppy tolerances, leading to power loss and potential engine damage. The genuine J4200-1111140-172 is engineered to exact specifications with premium materials, ensuring a perfect fit and reliable performance, backed by factory-direct quality.
Generic aftermarket fuel delivery pumps often have poor materials, incorrect pressure settings, or sloppy tolerances, leading to power loss, hard starting, and potential injection pump damage. The genuine SINOTRUK HOWO J4200-1111140-172 Fuel Delivery Pump is manufactured under strict quality controls, undergoing rigorous testing against international standards (e.g., ISO, CE) and Sinotruk’s original specs. Using premium materials and precision manufacturing ensures it withstands the extreme demands of heavy‑duty operation, delivering consistent performance and long life. This commitment to quality, combined with options for customization and small order acceptance, makes it the smart choice for maintaining your Howo truck.
By choosing the authentic part, you protect your investment and ensure your engine receives the reliable fuel supply it needs for years to come. For fleet managers and owner‑operators who demand the best, the genuine J4200-1111140-172 is the only responsible choice.
J4200-1111140-172 – 100% Genuine SINOTRUK HOWO Fuel Delivery Pump • Feed your engine with confidence • No forms, just quality parts.
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