CAT 581-3947 Mechanical Fuel Injector – Genuine OEM Caterpillar
The CAT 581-3947 Mechanical Fuel Injector is a genuine OEM Caterpillar fuel system component engineered to deliver precise fuel injection, reliable combustion, and consistent engine performance in demanding heavy-duty applications. Designed to Caterpillar’s original equipment specifications, this mechanical fuel injector ensures accurate fuel delivery for optimum engine efficiency, dependable power output, and long service life in harsh operating environments.
Built for durability and dependable operation, the CAT 581-3947 injector is ideal for maintaining the performance and reliability of Caterpillar diesel engines used in construction, mining, industrial, marine, and power generation applications.
Product Features
- Genuine OEM Caterpillar Part
- Part Number: 581-3947
- Product Type: Mechanical Fuel Injector
- Precision-engineered fuel delivery
- Optimized combustion efficiency
- Reliable mechanical fuel injection performance
- Durable construction for heavy-duty operating conditions
- Direct replacement for compatible Caterpillar engines
- Manufactured to Caterpillar OEM quality standards
- Factory sealed (subject to stock availability)
Typical Applications
The CAT 581-3947 Mechanical Fuel Injector is commonly used in Caterpillar diesel engines operating in:
- Construction Equipment
- Mining Equipment
- Industrial Engines
- Power Generation Systems
- Marine Engines
- Oil & Gas Equipment
- Heavy-Duty Off-Highway Machinery
Compatibility should always be verified using your engine serial number or part number before placing an order to ensure correct fitment.
Worldwide Shipping
We maintain ready stock of surplus OEM industrial components and can arrange same-day dispatch upon receipt of bank payment, subject to stock availability.
We ship worldwide using trusted express courier services, including:
- DHL Express
- FedEx
- UPS (upon request)
Important Notice
We are an independent supplier of genuine surplus industrial equipment and are not an authorized Caterpillar distributor or dealer. All trademarks, brand names, and part numbers remain the property of their respective owners and are used solely for product identification and compatibility purposes.
Our inventory is sourced from industrial surplus, factory closures, OEM overstock, and unused spare parts inventories. Every item is carefully inspected before shipment to ensure customer satisfaction.
For pricing, availability, bulk quantities, or international shipping quotations, please contact our sales team.
