The 200V111037792 high pressure oil pump CP3.4+ is the heart of your HOWO or Sitrak engine’s common rail fuel system[reference:0]. Its primary function is to pressurise low‑pressure fuel from the supply pump and deliver it at precisely controlled high pressure to the fuel rail and injectors[reference:1]. This ensures that fuel is atomised perfectly for complete combustion, directly impacting power output, fuel economy, and emissions compliance. A failing high pressure pump can lead to rough idling, loss of power, increased fuel consumption, and even engine stalling. By installing the genuine 200V111037792 CP3.4+ pump, you restore factory‑fresh fuel delivery, protecting your engine from costly damage and ensuring it operates at peak efficiency.
High Pressure Output
Delivers consistent, high‑pressure fuel to the common rail system, ensuring optimal atomisation and combustion efficiency[reference:2].
Precision Control
Advanced CP3.4+ technology enables precise control of injection timing and fuel quantity, adapting to varying driving conditions[reference:3].
Superior Durability
Constructed from high‑strength, corrosion‑resistant materials to withstand high pressure and harsh operating environments[reference:4].
OEM‑Exact Fit
Manufactured to Sinotruk’s original specifications – direct replacement with no modifications required[reference:5].
| Parameter | Specification |
|---|---|
| OEM Number | 200V111037792 |
| Product Name | High Pressure Oil Pump CP3.4+ |
| Brand | HOWO / Sinotruk |
| Technology | Bosch CP3.4+ Common Rail |
| Application | HOWO / Sitrak / MAN Series Engines[reference:6] |
| Material | High‑strength alloy steel, corrosion‑resistant coating |
| Operating Temperature | -30°C to +120°C |
| Max. Fuel Pressure | ≥ 1,200 bar[reference:7] |
| Quality Standard | Original Sinotruk / HOWO OEM specification[reference:8] |
| Warranty | 12 Months[reference:9] |
The 200V111037792 high pressure oil pump CP3.4+ is a direct replacement for the original equipment pump used across a wide range of HOWO and Sitrak heavy‑duty trucks[reference:10]. It is compatible with MAN series engines and is commonly found in the following models:
The 200V111037792 high pressure oil pump CP3.4+ is manufactured to the highest quality standards, ensuring it outperforms generic aftermarket alternatives. Based on Bosch CP3.4+ common rail technology[reference:14], this pump features precision‑machined plungers and barrels that maintain tight tolerances for consistent fuel delivery across all engine speeds. The pump body is constructed from high‑strength alloy steel with advanced anti‑corrosion treatment, ensuring long‑term reliability even in the presence of moisture, fuel impurities, and temperature extremes[reference:15]. Each pump undergoes rigorous factory testing to verify pressure output, flow rate, and sealing integrity before leaving the production line[reference:16]. This commitment to quality translates into improved fuel efficiency, lower emissions, reduced noise and vibration, and extended engine service life[reference:17].
Bosch CP3.4+ Technology
Advanced common rail design delivers precise, high‑pressure fuel delivery for optimal combustion[reference:18].
Corrosion & Wear Resistant
High‑strength materials and protective coatings ensure long‑term durability in harsh environments[reference:19].
100% Factory Tested
Every pump is tested for pressure, flow, and sealing integrity before delivery[reference:20].
Genuine OEM Quality
Built to Sinotruk’s original specifications – guaranteed fit, form, and function[reference:21].
Installing the 200V111037792 high pressure oil pump CP3.4+ requires specialised knowledge and should be performed by a qualified technician. Always refer to the appropriate workshop manual for your HOWO or Sitrak model. Before installation, ensure the fuel system is depressurised and the work area is clean to prevent contamination. Replace all sealing rings, O‑rings, and gaskets with new ones supplied in the installation kit. Prime the fuel system before starting the engine to prevent dry running, which can damage the pump. After installation, check for fuel leaks, verify the pump timing, and use diagnostic equipment to confirm that fuel pressure and injection timing are within specification. Regular maintenance includes replacing the fuel filter at recommended intervals, using high‑quality diesel fuel, and inspecting the pump for external leaks or unusual noise.
Choosing the 200V111037792 genuine high pressure oil pump CP3.4+ is an investment in the long‑term reliability, performance, and fuel efficiency of your HOWO or Sitrak truck. Inferior aftermarket pumps often use substandard materials, imprecise tolerances, and inadequate testing – leading to premature failure, reduced power, increased fuel consumption, and costly engine damage. By using a genuine OEM component that adheres to Sinotruk’s exacting standards, you guarantee perfect fitment, consistent fuel pressure, and maximum durability[reference:22]. Fleet operators and workshop professionals worldwide trust this pump to deliver the precision fuel delivery required for modern common rail diesel engines. With its 12‑month warranty and proven Bosch CP3.4+ technology, it is the definitive choice for those who refuse to compromise on quality[reference:23].
“We have been using the 200V111037792 high pressure oil pump CP3.4+ across our HOWO‑7 fleet for over two years. The consistent fuel pressure and improved combustion have reduced our fuel consumption by nearly 8%, and we have experienced zero pump‑related failures. This is the only pump we trust for our fleet.”
The 200V111037792 high pressure oil pump CP3.4+ is designed to fit a comprehensive range of HOWO and Sitrak heavy‑duty trucks equipped with MAN series engines[reference:24]. It is a direct replacement for the original pump fitted at the factory, ensuring a seamless swap without any modifications. Always confirm the OEM number 200V111037792 on your original pump or by cross‑referencing your vehicle’s VIN with the Sinotruk parts catalogue[reference:25][reference:26]. For any uncertainty, consult your local HOWO or Sitrak dealer with your chassis number.
HOWO and Sitrak trucks operate in some of the most punishing environments – from the freezing cold of northern winter routes to the searing heat of desert highways, from dusty construction sites to salt‑sprayed coastal roads. The 200V111037792 high pressure oil pump CP3.4+ is engineered to withstand these extremes. Its high‑strength alloy construction resists fatigue and corrosion, while the precision‑machined internal components maintain tight tolerances across a wide temperature range[reference:27]. The advanced sealing system prevents fuel leakage and contamination ingress, ensuring reliable operation even when subjected to vibration, shock loads, and thermal cycling. This pump is built to deliver consistent fuel pressure and precise injection timing for the entire service life of the vehicle, reducing the need for costly and time‑consuming repairs.
Extreme Temperature Tolerance
Reliable operation from -30°C to +120°C – maintains pressure and precision across the full range.
Vibration & Shock Resistant
Robust construction withstands constant road vibrations and engine pulses without compromising performance.
Fuel Contamination Resistance
Precision‑machined plungers and barrels resist wear from fuel impurities, extending service life.
High Pressure Capability
Rated for ≥ 1,200 bar – delivers the pressure required for modern common rail injection systems[reference:28].
The 200V111037792 high pressure oil pump CP3.4+ is supplied in robust, purpose‑designed packaging to ensure safe delivery and convenient storage. Each pump is individually wrapped in anti‑corrosion material and secured within a heavy‑duty carton to prevent any damage during transit[reference:29]. The package includes the fully assembled pump with all necessary sealing rings and O‑rings for installation. Bulk ordering options are available for workshops, fleet maintenance depots, and OEM service centres, offering significant cost savings and streamlined inventory management. Every pack is clearly labelled with the OEM number 200V111037792, product name, and applicable vehicle models for easy identification[reference:30]. Always verify the OEM number on the label before installation to guarantee you are using the correct genuine component.
OEM: 200V111037792 | Genuine HOWO / Sitrak High Pressure Oil Pump CP3.4+
Choose 200V111037792 high pressure oil pump CP3.4+ – the professional‑grade fuel system component that delivers precision fuel delivery, exceptional durability, and reliable performance for your HOWO or Sitrak truck.
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