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Our 4951424 PT mechanical fuel pump strictly follows Cum-mins original PT fuel system manufacturing standards, specially matched for classic K19 and K38 large-displacement mechanical diesel engines without electronic common rail modules. It effectively repairs frequent machine failures including generator frequency fluctuation, insufficient climbing torque, hard cold startup, oil leakage and accidental shutdown caused by aging original pumps, supporting direct bolt-on installation without engine structural modification.
✅ Industrial Machinery: Oilfield drilling rigs, heavy air compressors, tunnel boring supporting power
Unique Core Product Competitive Advantages
Mature Mechanical PT Fuel Supply System For Harsh Offline Working Conditions
Adopts proven PT pressure-time fuel delivery structure with built-in mechanical governor, stable fuel supply without complex ECU matching. It maintains steady power output under severe vibration from mining trucks and ocean wave shaking of marine vessels.
Deep Quenched Hardened Core Components Adapt To Low-Quality Industrial Diesel
Internal plunger and metering valve adopt deep carburized wear-resistant alloy, strong tolerance to high-impurity, high-sulfur fuel commonly used in mines and oilfields. Thickened cast steel pump housing avoids deformation under long-time high-temperature continuous operation.
Dedicated K Series PT Bench Full-Cycle Calibration Before Delivery
Every pump undergoes long-duration idle stability test, full-load fuel supply detection, cut-off solenoid function inspection and overall sealing fatigue test on special K series PT test bench. Each unit calibrated to factory standard fuel curve to guarantee uniform fuel supply for all cylinders.
Integrated OEM Standard Mechanical Governor & Fuel Shutoff Solenoid
Equipped with the same specification mechanical speed regulator and emergency fuel cut solenoid as original pump, perfectly compatible with old machine mechanical control circuits, no extra wiring transformation needed after installation.
Two Quality Options For Different Equipment Operation Cycles
We provide full brand-new PT pumps with all-new internal precision parts for 24/7 non-stop mining, marine and generator operation; remanufactured pumps replace all worn core components and re-calibrated on professional test bench, more cost-effective for intermittent seasonal equipment maintenance.
Stock Status: In stock, ship within 3–6 working days
MOQ: 1 Unit Supported
Packing: Shockproof export wooden case, customized brand packaging available for global heavy machinery parts distributors
Main Application Scenarios
Reliable aftermarket replacement spare parts for open-pit mining fleets, coastal marine service yards, oilfield operation bases, fixed power stations, heavy machinery repair workshops and global wholesalers specializing in classic Cum-mins K series mechanical engine accessories.
Global After-Sales Service Support
Flexible shipping solutions: Air express DHL/FedEx/UPS for urgent emergency repair orders, sea bulk freight with solid wooden shockproof packaging for large batch wholesale
Free pre-order compatibility verification via engine serial number, equipment model or old pump part number
Free replacement service for factory defective pumps within valid warranty coverage
Long-term stable bulk stock supply & tiered volume discount for mining repair factories, marine maintenance companies and overseas heavy equipment 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 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 to confirm this PT pump matches my K19/K38 equipment?
A: Send us your engine serial number, generator power rating or the part number printed on your original fuel pump, our professional K series mechanical engine technical team will complete compatibility verification free of charge.
Q2: What’s the difference between new and remanufactured 4951424 PT pumps?
A: Brand-new pumps adopt all brand-new plunger, governor and solenoid core parts with 12-month full coverage warranty, suitable for round-the-clock continuous mining and marine equipment; reman pumps replace all worn precision components and re-calibrated on dedicated PT test bench, with 6-month warranty, ideal for seasonal intermittent industrial machinery maintenance.
Q3: Do I need professional bench adjustment after pump installation?
A: Each pump is fully calibrated on professional PT test bench before shipment. After installation, only simple on-site idle speed fine-tuning is required, no complicated secondary bench calibration needed.
Q4: Can you offer long-term stable bulk supply for machinery parts dealers?
A: We maintain sufficient permanent stock of 4951424 PT fuel pumps all year round, provide 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...
