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This aftermarket Bo-sch-style common rail injector 0445110549 strictly copies industrial-grade Bos-ch manufacturing standards, exclusively developed for Quanchai 4B2/4A2 light commercial diesel engines widely used in Asian urban logistics and agricultural transport vehicles. Every finished injector undergoes full hydraulic flow and atomization calibration on professional CRDI test benches, precisely replicating factory fuel delivery volume, injection pulse width and fine spray angle data. It thoroughly resolves frequent fuel injection system malfunctions of light cargo fleets, stabilizes low-speed climbing torque and reduces thick black smoke emissions under frequent heavy-load short-distance running conditions.
Exclusive Core Competitive Advantages
OEM-Matched Low-Speed Special Calibration Curve
We fine-tune each injector’s fuel delivery curve to original factory benchmark parameters under standard working rail pressure, generating tiny evenly distributed fuel mist that adapts to frequent start-stop urban roads and low-speed farm dirt roads. This eliminates incomplete combustion pa-in points such as jittery idle at low RPM, slow power response when loaded with agricultural goods, and grey exhaust smoke during uphill climbing with full cargo weight.
Adopts quenched wear-resistant alloy nozzle paired with dustproof high-temperature stabilized solenoid coil assembly. Built-in plunger and multi-layer composite sealing parts effectively resist carbon sludge and slight dust pollution from low-quality rural diesel fuel, greatly extending service life for vehicles running daily short-cycle delivery and farm transport routes all year round.
Direct Bolt-In Replacement Without Any Custom Modification
1:1 fully consistent outer housing dimension, standard 4-pin waterproof electrical plug and fuel pipeline thread consistent with stock factory injectors. Light vehicle maintenance technicians complete replacement without drilling, adapter fitting or wiring refitting, drastically cutting workshop maintenance labor hours and vehicle downtime that delays daily cargo and farm goods delivery schedules.
Raw metal material hardness detection → CNC ultra-precision grinding forming → long-cycle hydraulic aging durability test simulating dusty farm environment → dual static & dynamic airtight leakage screening → flow balance coding marking. All defective semi-finished goods are fully filtered out before packaging to avoid post-install fuel dripping and unstable rail pressure fault codes triggering dashboard engine malfunction warning lights.
Wide Asian Light Vehicle Platform Compatibility
Covers all JAC, Foton light trucks and mini logistics vans equipped with Quanchai 4B2/4A2 engines, one single injector SKU meets unified stocking demands for Asian light commercial parts distributors and local urban & rural repair service centers.
Typical Malfunction Symptoms This Injector Eliminates
Obvious violent engine shaking during cold cranking and stationary idle at logistics yards or farm warehouses
Severe insufficient pulling torque when hauling full cargo or climbing rural sloped roadways
Thick black exhaust smoke released during rapid acceleration and sustained heavy-load operation
Greatly extended engine cranking cycle before successful ignition in cold winter outdoor environments
Visible monthly surge in overall diesel fuel consumption expenditure for logistics and farm transport fleet businesses
Restricted maximum driving speed and fluctuating unstable power output on suburban highways
Packaging & Official Global Warranty Terms
Outer Packing: Impact-resistant neutral export carton with customized thick shock-absorbing EPE foam inner lining, reliable anti-collision protection for sea freight and international air courier cross-border transportation
Limited Manufacturer Warranty: 12-month worldwide coverage only for factory manufacturing defects; warranty becomes completely void if damage arises from contaminated diesel fuel, unprofessional improper installation or overdue fuel filter maintenance cycles
Purchase Guidance: Double-check the Bos-ch serial number engraved on your original injector housing or confirm vehicle equipped with Quanchai 4B2/4A2 engine before checkout; submit vehicle frame number to our dedicated customer support team for free compatibility verification service.
Packaging & Shipping
Company Information
Our Services
Wuhan Jinhong Auto Parts Co., Ltd. is a manufacturer and exporter of common rail fuel injectors integrating manufacturing,processing and R & D.
Our factory has a complete and scientific management system and professional product development team, products have been advancing with The Times, quality is also constantly improving, product quality and service have been widely recognized by the industry. Our company has its own factory, combined with the sales model of trade factory, we can provide customers with a full range of services. In addition, our company has international logistics partners to reduce transportation costs for customers. Our company is a leading manufacturer and supplier of Marine parts and auto parts in China. At the same time, we have established partnerships with hundreds of factories specializing in the production of various high-quality auto parts.
Our goal is to provide the best service at the best price, your satisfaction is our best return. Look forward to working with you. Welcome friends from all walks of life to visit, guidance and business negotiations.
FAQ
Q1. 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
Q2. 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.
Q3.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.
Q4.What is your terms of payment?
A: We can acceptT/T30% as deposit, and 70% before delivery. We'llprovide product photoes and packing pictures for your reference.
Q5.What is your terms of delivery?
A: EXW, FCA, FOB, CFR and ClF.
Q6. How long is the delivery time?
A: Generally,we have stocks for most parts,we can provide goods in aweek.The specific delivery time depends on the items and the quantityof your order.
Q7. What's your guarantee policy?
A:We provide one year warranty for our products
Q8: How to guarantee your after-sales service?
1. Strict inspection in the production process.
2. Quality Inspection Department. Quality will be strictly checked and tested prior to loading and shipment.
3. We will send pictures of the actual finished product before and during container loading. If the package is sent by Courier, we will provide the check number after the package is sent.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Total Annual:
5000000-10000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s... Wuhan Jinhong Auto Part Co., Ltd. is a leading manufacturer and global supplier specializing in high-performance fuel system components, including fuel injectors, fuel pumps, and complete fuel delivery systems. With years of industry experience, we also supply a wide range of engine assemblies and s...
