-
Agricultural Machinery Parts
- Engine System Parts
- Transmission System Parts
- Hydraulic System Parts
- Electrical System Parts
- Braking & Steering Systems Parts
- Pneumatic & Suspension System Parts
- Working Device Parts
- Driving System Parts
- Seals, Gaskets & O-rings
- Bearings&Bushings
- Construction & Mining Machinery Parts
- Truck Machinery Parts
- Material Handling Equipment (MHE) Parts
- Other Auto Parts
01
446-5409 Fuel Transfer Pump Replacement for Cat Heavy-duty Engine
The replacement spare part 446-5409 fuel transfer pump stands as a vital OEM component for Caterpillar’s heavy-duty construction and mining fleet, specifically calibrated to match models including AP500F, AP555F, 320, 318E L, and 320E LRR. Beyond basic fuel delivery, the fuel transfer pump integrates precision engineering: its 24VDC configuration ensures rapid fuel priming, while the M16 outlet and M10 fasteners enable hassle-free alignment with existing machine systems—cutting down maintenance time. Made to withstand extreme temperature fluctuations and heavy vibrations, the pump prevents fuel pressure drops, a common cause of engine inefficiency in tough job sites. This pump not only guarantees OEM-level fit but also boosts long-term machine reliability, making it a cost-effective choice for keeping Caterpillar equipment running at peak performance.
• OEM specification for Caterpillar machinery, compatible with AP500F, AP555F, 320 series, etc.
• 24VDC operation with M16 outlet and M10 fasteners for precise installation.
• Constructed with high-strength, corrosion-resistant materials.
• Engineered to handle extreme temperatures, vibrations, and harsh environments (dust, moisture).
• Perfect fit ensures zero compatibility issues, reducing installation errors.
• Reliable fuel pressure maintenance prevents engine inefficiencies or stalls.
• Durable build extends service life, lowering replacement frequency and costs.
• Optimizes machinery uptime in critical construction/mining operations.
• Meets Caterpillar’s strict performance standards for consistent heavy-duty operation.
| Part Number | 446-5409 | Part Name | Fuel Transfer Pump |
| Package | Standard Industrial Carton | Origin | China |
| Purpose | For repair or replacement | Outlet Size | M16 |
| Quality | OE Standard | System | Fuel Oil System |
| Mounting Fasteners | M10 | Operating Voltage | 24VDC |
| Maximum Pressure | 5 bar | Operating Temperature | -40℃~+80℃ |
| Material | High-strength, corrosion-resistant alloys | ||
| Application | Designed for Caterpillar machinery (AP500F, AP555F, 320, 318E L, 320E LRR, etc.) | ||
TRACK-TYPE TRACTOR
D6N XL
KNUCKLEBOOM LOADER
559D
ASPHALT PAVER
AP500F AP555F
TRACK LOADER
963K
EXCAVATOR
320 318E L 320E LRR 320E L 316E L 323 329E L 329E LN 329E 323F SA 320E 320 GC 320E RR
VIBRATORY COMPACTOR
CS-433E CP-533E CS-533E
WHEEL LOADER
966F II 950K 962K
The 446-5409 fuel transfer pump adopts precision casting for core components, undergoes CNC machining for dimensional accuracy, applies anti-corrosion coating for environmental resistance, and passes strict pressure, vibration, and sealing tests to meet Caterpillar’s OEM standards, ensuring reliable performance in harsh conditions.
Comprehensive testing before leaving the factory (including but not limited to dimensional accuracy testing, performance testing, fit accuracy testing, flaw detection, etc.) to ensure that customers get high-quality and high-performance products.
Keep In Touch
Contact Us
Can’t find your desired product model? Contact us. With 300+ global suppliers and customization capabilities, we’ll deliver the solution you need.
