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The 730237-5009 TB25 turbocharger is engineered to perfectly match FAW Xichai 4DF series diesel engines, including popular models such as CA4DF2-13 and 4DF3. These engines are widely installed in Jiefang light and medium-duty trucks, particularly the J5K series, which are extensively used for urban delivery, regional transportation and construction logistics. Designed for 3-5L displacement diesel engines, this turbocharger meets China National III and IV emission standards, helping commercial vehicle operators comply with environmental regulations while maintaining optimal performance.
This turbocharger features a robust two-part construction consisting of a compressor housing and a turbine housing, connected by a central bearing assembly. The silver-colored compressor housing serves as the fresh air intake, while the dark cast iron turbine housing connects directly to the engine exhaust manifold. An integrated wastegate system with a blue silicone control hose ensures precise boost pressure regulation under all operating conditions.
The TB25 turbocharger increases engine power output by 30%-50% compared to naturally aspirated engines of the same displacement. It particularly improves low-end torque, providing superior acceleration and climbing capability for commercial vehicles operating in challenging terrains or carrying heavy loads. This power boost allows smaller displacement engines to deliver performance comparable to larger engines, reducing overall vehicle weight and improving payload capacity.
By compressing intake air and increasing oxygen density, the turbocharger ensures more complete combustion of diesel fuel. This results in reduced fuel consumption by up to 15% under typical operating conditions, directly lowering operational costs for fleet owners. Additionally, improved combustion significantly reduces black smoke and particulate matter emissions, helping vehicles meet strict environmental standards and avoid costly emission-related penalties.
The integrated wastegate system is a critical safety feature that protects both the turbocharger and the engine from overboost damage. When boost pressure exceeds safe limits, the wastegate opens to divert a portion of exhaust gases away from the turbine wheel, limiting turbine speed and maintaining optimal operating pressure. This protection mechanism extends the service life of both the turbocharger and the engine, reducing maintenance costs and downtime.
Parameter | Specification |
|---|---|
Part Number | 730237-5009 |
Series | TB25 (Garrett GT25 derivative) |
Compatible Engine | FAW Xichai 4DF series (CA4DF2-13, 4DF3) |
Displacement Range | 3-5L |
Emission Standard | China National III / IV |
Boost Control | Internal wastegate with pneumatic actuator |
Compressor Housing Material | Aluminum alloy |
Turbine Housing Material | High-temperature cast iron |
Power Increase | 30%-50% |
Fuel Consumption Reduction | Up to 15% |
All our TB25 turbochargers undergo rigorous quality testing, including dynamic balance testing, pressure leakage testing and high-temperature endurance testing, to ensure reliable performance under extreme operating conditions. Each unit is manufactured to OEM specifications, guaranteeing a perfect fit and easy installation without modifications.
For optimal performance and longevity, we recommend professional installation by certified technicians. Proper oil supply and filtration are essential, as contaminated oil is the leading cause of turbocharger failure. We also advise replacing the oil feed line and filter when installing a new turbocharger.
This turbocharger is primarily used in Jiefang light and medium-duty trucks equipped with FAW Xichai 4DF series diesel engines, most commonly the J5K series. It is also compatible with other commercial vehicles using the same engine platform.
The 730237-5009 is a high-quality replacement turbocharger manufactured to Garrett GT25 series specifications. It delivers equivalent performance and durability to the original equipment at a competitive price point.
With proper maintenance, including regular oil changes and clean air filtration, this turbocharger can provide 150,000-200,000 kilometers of reliable service.
Yes, our technical team provides comprehensive installation guidance and troubleshooting support for all our products. We also offer a 12-month warranty against manufacturing defects.
If you are looking for a reliable, high-performance replacement turbocharger for your FAW Xichai 4DF engine, the 730237-5009 TB25 model is the ideal solution. Contact our sales team today to request a quote or learn more about our bulk purchasing options for commercial customers.
