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Model 3973228 is a CP2-type CCR1600 common rail high-pressure fuel pump, the core fuel supply component for Cumm-ins medium-displacement diesel engines and Komatsu construction machinery power units. It precisely delivers constant ultra-high pressure fuel to the injector rail, stabilizing engine power output and optimizing fuel combustion efficiency. This aftermarket pump solves most fuel system breakdowns caused by original pump pressure drop, internal leakage and valve failure, widely used in transportation, engineering and agricultural equipment.
Road transport: Medium cargo trucks, passenger buses, heavy commercial vehicles
Construction gear: Komatsu PC300/PC350 excavators, WA430 wheel loaders
Farm & industrial gear: Large harvesters, stationary diesel generators
Exclusive Product Advantages
Strict OEM Calibration Standard
Every pump is tested on professional diesel bench for delivery volume, pressure stability and internal leakage, consistent with factory original data, no power attenuation after installation.
Heavy-Duty Anti-Wear Internal Assembly
High-strength cast iron housing paired with wear-resistant alloy plunger and pressure valve, resistant to long-duration full-load operation of construction and transport equipment.
Integrated Electronic Control Solenoid
Built-in precision pressure regulating solenoid valve, directly compatible with original ECU wiring harness, zero modification required during installation.
Optimized Fuel Economy & Emission Control
Consistent stable high-pressure fuel supply realizes fine atomization, cuts excessive black smoke emission and lowers overall fuel consumption by 5%-8%.
Direct OEM 1:1 Mounting Interface
Identical mounting holes, oil pipeline ports and electrical connectors as original pump, drastically shorten vehicle maintenance downtime.
Engine Malfunctions This Pump Fixes
Difficult cold startup, prolonged cranking without ignition
Fluctuating idle speed, obvious engine vibration and abnormal noise
Insufficient power output, weak climbing and heavy-load performance
Thick black exhaust smoke and sharply rising fuel consumption
Fuel seepage from pump housing
ECU triggered low fuel pressure fault codes
Automatic power derate during heavy work
Complete Technical Parameters
OEM Part Number: 3973228
Cross Reference PN: 4954200, 2897500, 6745711170
Pump Type: CP2 CCR1600 Common Rail High Pressure Pump
Application: Medium trucks, excavators, loaders, generators
Warranty Term: 12 Months
Minimum Order Quantity: 1 Piece
Stock Status: In stock, shipped within 1–3 business days
Packaging & Global Shipping
Independent shockproof neutral carton with customized foam inner lining to avoid collision damage during long sea or air transit. We support DHL, FedEx, UPS, air freight and sea freight for worldwide shipments. Unique tracking code will be sent to your email right after dispatch.
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.
We specialize in Bos-ch, Denso, Del-phi, CAT common rail injectors. Equipped with complete QC system and professional R&D team, our products enjoy wide industry recognition for reliable quality. As an integrated factory & trading enterprise, we provide one-stop supply service. With cooperative international logistics partners, we help clients cut shipping costs. We are a leading domestic supplier for auto and marine spare parts, partnering with hundreds of component manufacturers to guarantee ample stock. We offer premium products at competitive prices with thoughtful service. Warmly welcome global customers for business negotiation and factory inspection.
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
Q:New or reman injectors?
A: Both available, fully tested before delivery. Q:Quality guarantee?
A: 1 Year Warranty provided for all items. Q:Sample order supported?
A: Yes, small samples acceptable. Q:Delivery & freight?
A: Fast shipment; we cooperate with international logistics to save your cost. Q:Can visit factory?
A: Welcome your onsite inspection and business talk.
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...
