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This aftermarket Bo-sch-style common rail injector 0445120029 strictly copies original industrial-grade Bo-sch structural standards, specially developed for Cumm-ins QSB6.7 / ISB6.7 engines used on trucks, excavators and farm machinery. Each finished injector undergoes full hydraulic performance testing on professional CRDI calibration benches to replicate factory fuel delivery volume, injection pulse width and atomization angle data. It thoroughly fixes persistent fuel injection breakdowns for construction and transport fleets, restores steady torque output and cuts thick black smoke emissions under heavy-load continuous working conditions.
Exclusive Core Competitive Advantages
OEM-Aligned Custom Injection Calibration Curve
We adjust each injector’s fuel flow curve to match factory benchmark parameters under rated high rail pressure, generating ultra-fine uniform fuel mist with wide spray coverage. This resolves incomplete combustion issues including unstable low-RPM shaking, slow power response during excavation/climbing, and dense grey exhaust smoke under full cargo or digging loads.
Adopts quenched high-hardness alloy nozzle paired with high-temperature resistant stable solenoid coil assembly. Built-in plunger and sealing components effectively resist carbon sludge accumulation caused by low-quality off-road diesel fuel, extending service life for machinery running long daily shifts on construction sites and farmlands.
No Custom Modification Required Direct Bolt-In Swap
1:1 identical outer housing dimension, dedicated multi-pin electrical plug and fuel pipeline thread consistent with stock factory injectors. Professional mechanics finish replacement without drilling, adapter fittings or wiring refitting, significantly cutting workshop maintenance labor hours and machinery downtime that delays project progress.
Multi-Layer Strict Factory Quality Audit Workflow
Raw metal material hardness inspection → CNC ultra-precision grinding forming → long-cycle hydraulic aging durability test → 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 error codes triggering ECU fault alerts.
Multi-Scene Universal Compatibility
Covers medium logistics trucks, Komatsu/Case excavators and large agricultural tractors with QSB6.7 engine, one single injector SKU satisfies unified stocking demands for global machinery parts distributors and professional off-road repair service centers.
Typical Malfunction Symptoms This Injector Eliminates
Obvious violent engine vibration during cold startup and stationary idle
Insufficient digging/pulling torque under full load operation
Thick black exhaust smoke released during rapid acceleration and heavy-duty work
Extended engine cranking cycle before successful ignition in cold low-temperature environments
Visible monthly increase in diesel fuel consumption expenditure for fleet & farm operation
Restricted maximum power output and fluctuating engine performance under sustained load
Packaging & Official Global Warranty Terms
Outer Packing: Impact-resistant thick neutral export carton with customized shock-absorbing EPE foam inner lining, reliable anti-collision protection for transoceanic sea freight and international air courier cross-border transportation
Limited Manufacturer Warranty: 12-month worldwide coverage only for factory manufacturing defects; warranty becomes void if damage arises from contaminated diesel fuel, unprofessional installation or overdue fuel filter maintenance cycles
Purchase Guidance: Double-check the OEM serial number laser-etched on your original injector housing or confirm equipment QSB6.7 engine model before checkout; submit machine VIN/engine code 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...
