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Our 0445120255 diesel common rail injector is fully engineered to match OEM factory specs, built exclusively for 2003-2004 Dodge Ram 2500 & Ram 3500 trucks equipped with Cum-mins ISB 5.9L 24V diesel engines. Perfect drop-in replacement without any modification, directly fix rough idle, power loss, black smoke and poor fuel mileage issues caused by faulty injectors.
Full Cross Reference Part Numbers
0445120255 / 0 445 120 255
5263318, 3949619, 0986435503
0445120210, 0445120113, 4940589
Complete Vehicle & Engine Fitment List
✅ Engine: Cum-mins ISB 5.9L 24-Valve Turbo Diesel
✅ Trucks: Dodge Ram 2500 HD Pickup (2003, 2004)
✅ Trucks: Dodge Ram 3500 Heavy Duty Pickup (2003, 2004)
Exclusive Product Advantages
Micro Precision Machining Core Components
Ultra-fine grinding needle valve & matching valve seat deliver uniform micro fuel atomization, eliminate incomplete combustion. Even under full-load towing, the engine maintains stable torque and cleaner exhaust emission.
Anti-Clogging Wear-Resistant Internal Structure
Hardened alloy internal parts resist impurities, water and sulfur in low-quality diesel fuel, greatly extending service life for daily long-distance hauling and farm heavy-load usage.
100% Full-Stage Bench Calibration Before Delivery
Every injector undergoes multi-point pressure test, flow rate test and solenoid response test on professional common rail test bench. Each unit calibrated to original factory injection curve to avoid cylinder imbalance after installation.
Complete Accessory Package For Instant Installation
Each injector comes with brand-new copper sealing washer pre-assembled, consistent mounting flange and plug connector same as OEM unit. No extra gaskets or adapters needed, cut down garage labor hours significantly.
Two Grade Options For Different Budget Demands
We supply brand-new full original-spec injectors and professionally remanufactured injectors with full bench rework. Customers can select according to vehicle usage intensity and maintenance budget.
Detailed Product Parameters
OEM Part Number: 0445120255
Product Type: Bo-sch Common Rail Diesel Injector Assembly
Compatible Engine: Cum-mins ISB 5.9L 24V
Fit Vehicle: Dodge Ram 2500 / 3500 2003-2004
Available Condition: Brand New / Remanufactured
Warranty: 12 Months (New) / 6 Months (Reman)
Stock Status: Ready stock, ship within 3–5 working days
Ideal maintenance spare parts for heavy-duty pickup trucks, farm haulers, road transport vehicles, fleet trucks and independent auto repair shops specializing in American diesel pickup service.
Global After-Sales Support
Multiple shipping solutions: DHL, FedEx, UPS express & sea bulk freight for large orders
Free pre-order compatibility check via VIN / engine serial number
Defective unit replacement service covered under valid warranty
Tiered wholesale discount for repair garages, parts distributors & fleet maintenance contractors
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 company is Bos-ch common rail injector, Den-so common rail injector, Del-phi injector, CAT injector and other professional production and processing companies, with a complete and scientific quality management system. 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: How do I confirm this injector fits my Dodge Ram truck?
A: Send us your vehicle VIN code, engine serial number or old injector part number, our technical team will verify matching completely free of charge.
Q2: What’s the difference between new and reman injectors?
A: New injectors adopt all brand-new internal components with 12-month full warranty; reman units replace worn core parts and re-calibrated on test bench with 6-month warranty, more cost-effective for budget repair.
Q3: Can I get bulk discount for my repair shop?
A: Yes, price tier will be offered for orders over 6 pcs, contact us directly to get customized wholesale quotation and stable supply schedule.
Q4: What if the injector has performance issues after installation?
A: All injectors pass strict factory testing before shipment. If manufacturing defect occurs within warranty period, we provide free replacement without extra freight cost.
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...
