1. Product Description

This high-pressure common rail injector for commercial vehicles is specially developed for medium and heavy-duty diesel engines. Digitally controlled precision injection delivers thorough fuel atomization and complete combustion. Right after installation, the sluggish low-speed performance of the engine fades instantly, with sharp, lag-free throttle response during acceleration. It notably cleans up vehicle exhaust and cuts fuel consumption drastically under long-term heavy-load transportation, delivering a dual driving experience of powerful acceleration and outstanding fuel economy.

2. Product Advantages

Multi-Stage Precision Injection: Balanced Power Output & Low Noise

Built with a highly responsive solenoid actuation system, it completes multiple accurate cycles of pre-injection, main injection and post-injection within microseconds. The evenly atomized air-fuel mixture greatly reduces the rate of knock pressure rise inside the combustion chamber. It not only generates remarkable torque when the engine climbs slopes under heavy load, but also delivers lighter, smoother operating noise.

Full-Metal Sealed Pressure-Resistant Structure for All-Weather Heavy-Duty Operation

Tailored for commercial vehicles with long-distance travel and variable working conditions, full-metal hard sealing technology is adopted at the joint between the valve body and housing, enabling long-term endurance of common rail system working pressure up to several thousand bar. Core components feature excellent resistance to cavitation and hydraulic impact, effectively preventing internal leakage and pressure loss, ensuring reliable truck performance even on harsh road conditions.

Fully Digitized Bench Testing, Perfect ECU Compatibility Without Calibration

Every unit undergoes comprehensive inspection on an intelligent test bench before delivery, covering flow calibration across all operating conditions from idle speed to full load. Precisely regulated fuel injection and return flow curves fully match the data model of original powertrains. After installation, the on-board ECU carries out seamless closed-loop correction, eliminating black exhaust smoke and intermittent fault codes.

3. Parameter Table

4. Compatible Vehicles

Suitable for medium and heavy-duty trucks, city buses and construction machinery equipped with Yuchai YC4G, YC4E, YC6J series diesel engines complying with China National IV / National V emission standards:

Medium-Duty Trucks & Dump Trucks

Medium freight and intercity logistics vehicles including Dongfeng Liuzhou Chenglong, JAC Gallop, Dayun Trucks and more.

Bus & City Transit Series

8–10 meter intercity coaches and urban city buses fitted with Yuchai powertrains, such as Yutong, King Long, Zhongtong buses.

Special & Construction Vehicles

Sanitation water sprinklers, cement mixers, as well as truck-mounted cranes and excavators equipped with Yuchai engines. 

FAQs

1.What's quality of the goods you can provide?

A: We can provide Genuine parts from the original factory; OEM parts from the OEM factory, and aftermarket with high quality from reliable.

2.Can you accept sample orders?

A:Yes, our MOQ can be 1PC(SET).We give clients sample for free,clients only pay the ship cost.

3.What's your packing? Do you accept customize?

A:We usually pack our goods in cartons with our own brand or in neutral white boxes and brown cartons.Customized brand packing boxes(cartons) are acceptable upon your requirements.

4.How long is the delivery time?

A: Normally 5-8 workdays by DHL UPS Fedex.

5.How long is the leading time?

A: We have stocks for most parts, we can provide goods within 24 hours. The specific delivery time depends on the items and the quantity of your order.

6.How to guarantee your after-sales service?

A: Strict inspection in the production process.

We will send pictures of the actual finished product before shipping.

Sales Manager: Tiff-any Yuan

Tell/Whatsapp: +86 15797370922