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Our 326-4686 high-pressure common rail fuel pump is an upgraded OEM equivalent unit exclusively developed for Cater-pillar C6.4 Tier3 electronic diesel engines installed on medium track & wheel excavators. It perfectly resolves low rail pressure, P0087 fault codes, sluggish digging power, unstable idle and cold startup difficulties caused by aging stock pumps, direct bolt-on replacement without pipeline or wiring modification.
Cross Reference Interchange Part Numbers
326-4686 / 3264686
10R-7663, 32F61-10302, 295-9127
Full Equipment & Engine Compatibility List
✅ Engine: Cater-pillar C6.4 Tier3 Electronic Common Rail Engine
✅ Auxiliary Machinery: C-A-T small wheel loaders, forestry processing equipment
Exclusive Core Product Advantages
Upgraded Reinforced Metering Valve For Stable Low-Speed Pressure
Optimized internal fuel metering valve structure effectively maintains steady rail pressure during frequent start-stop municipal construction, avoids power drop when digging shallow trenches and road grading work.
Dust-Proof Anti-Corrosion Housing Adapted For Urban Construction Sites
Thickened sealed aluminum shell prevents cement dust, muddy water and minor diesel impurity intrusion, greatly extend service life in messy city road repair and landscaping working environments.
Complete Multi-Parameter Professional Bench Pre-Testing
Every pump undergoes idle pressure, full-load flow, solenoid response and long-time sealing fatigue test on dedicated C6.4 test bench. Calibrated to C-A-T original fuel supply curve to eliminate cylinder fuel imbalance after installation.
Fully Matched OEM Electronic Connector & Mount Flange
Identical pin layout, mounting hole position and fuel port interface as original pump, compatible with factory wiring harness and high-pressure fuel pipes, no ECU fault alarm after installation.
Two Cost Options For Different Machine Usage Intensity
Brand-new pumps with all brand-new precision internal parts for heavy daily rental fleets; remanufactured pumps with worn core components fully replaced & recalibrated for private small construction teams with limited maintenance budget.
Detailed Product Specifications
C-A-T Part No.: 326-4686
Pump Type: C6.4 Tier3 Electronic Common Rail Injection Pump
Compatible Engine: Cater-pillar C6.4
Fit Equipment: Track & Wheel Medium C-A-T Excavators
Available Condition: Brand New / Professionally Remanufactured
Stock Status: Ready stock, ship within 2–5 working days
MOQ: 1 Unit Supported
Packing: Shockproof neutral export carton, customized brand packaging available for machinery parts distributors
Main Application Scenarios
Reliable aftermarket replacement spare parts for municipal road construction, landscaping engineering, small quarry excavation, independent machinery repair shops and global medium excavator parts wholesale dealers.
Global After-Sales Service Support
Flexible shipping solutions: DHL/FedEx/UPS air express for emergency repair orders, sea freight for bulk wholesale batches
Free pre-order compatibility confirmation via machine serial number, engine code or original pump part number
Free replacement service for factory defective pumps within valid warranty coverage
Long-term stable stock supply & tiered volume discount for rental yards, repair garages and overseas machinery parts warehouses
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: How to confirm this pump matches my C-A-T excavator?
A: Send us your machine serial number, engine serial number or the part number printed on your old fuel pump, our C-A-T C6.4 professional technical team will verify matching free of charge.
Q2: What’s the difference between new and remanufactured 326-4686 pumps?
A: Brand-new pumps adopt all brand-new plunger, metering valve and solenoid core parts with 12-month full warranty, ideal for high-frequency rental machines; reman pumps replace all worn precision components and re-calibrated on professional test bench, with 6-month warranty, cost-effective for low-hour private excavators.
Q3: Do I need ECU programming after pump installation?
A: This pump is pre-calibrated to factory standard, only clear existing fault codes via C-A-T ET diagnostic tool after installation, no extra bench calibration required.
Q4: Can you supply continuous bulk stock for machinery parts stores?
A: We maintain sufficient permanent stock of 326-4686 fuel pumps all year round, offer exclusive long-term distributor pricing and fixed delivery schedule for regular bulk buyers.
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...
