104940-4260 4900804 Fuel Injection Pump for Cummins A2300 Engine
$619.00
Part 104940-4260 is an aftermarket new fuel injection pump covering Cummins A2300 engines. In service it supplies the high-pressure fuel the engine needs for steady power under load. It also appears under part number 4900804. Unit weight is about 6.3 kg.
104940-4260 Fuel Injection Pump is an aftermarket replacement fuel pump for Cummins engines, including A2300 and other listed models. The fuel injection pump meters diesel fuel and delivers it to the injectors at the pressure and timing the engine needs, which sets power, smoke and fuel economy. It is supplied by SINOCMP as aftermarket new with a 6-month warranty.
104940-4260 Fuel Injection Pump Specifications
- Product Type: Fuel Injection Pump
- Part Number: 104940-4260, 4900804
- Compatible Brand: Cummins
- Machine Type: Engine
- Condition: Aftermarket new
- Product Weight: 6.300 kg/13.89 pounds(1 piece)
- Package Dimensions: 12.60 inch(L) x 9.45 inch(W) x 12.60 inch(H)
- Warranty: 6 months
- Brand: SINOCMP
- Country of Origin: China
Cummins Engines and Machines Compatible with the 104940-4260 Fuel Injection Pump
- Cummins A2300 Engine
Your engine or machine is not listed? Contact SINOCMP via live chat or email with your model and nameplate photo, and we will confirm compatibility.
What Does a Fuel Injection Pump Do?
The fuel injection pump is the heart of a diesel fuel system. It pressurizes and meters the fuel and delivers it to each injector at the correct moment in the engine cycle. Pressure, timing and fuel quantity decide how much power the engine makes, how cleanly it burns and how much fuel it uses.
Signs the Fuel Pump Needs Replacing
- Hard starting: long cranking, or an engine that starts and then dies, because the pump cannot build enough pressure.
- Loss of power: weak pull under load, sluggish acceleration or poor performance on slopes.
- Exhaust smoke: black smoke from over-fueling, white smoke from unburned fuel or wrong timing, and blue smoke from oil burning.
- Rough idle or surging: unstable idle speed or hesitation can point to a worn pump or air in the fuel.
- Higher fuel consumption or leaks: visible drips, a fuel smell or a clear drop in fuel economy.
These symptoms overlap with clogged filters, air in the fuel lines and injector faults, so check the filters and fuel supply first and confirm the pump is the cause.
How to Order and Install the 104940-4260 Fuel Injection Pump
- Confirm your engine model, machine model and the part number on your existing pump before ordering.
- Replace the fuel filters and use clean fuel, because contamination is a common cause of early pump wear.
- Replace worn seals and gaskets and check the fuel lines and fittings for cracks or leaks.
- Bleed the air out of the fuel system after installation using the priming pump or bleed screws; extended cranking is not a substitute for proper bleeding.
- Check and set the injection pump timing according to the engine service manual after installation.
- Start the engine and check for fuel leaks and stable idle before returning the machine to work.
Shipping, Payment and Support
- Dispatch and delivery: Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country
- Payment methods: Credit Card, PayPal, T/T, Western Union
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
- Returns and refunds: If you encounter any issues with the product, please contact us promptly and provide detailed feedback. We will handle the return or exchange promptly
Frequently Asked Questions
What is the 104940-4260 Fuel Injection Pump?
The 104940-4260 Fuel Injection Pump is an aftermarket replacement fuel pump for Cummins engines, supplied as aftermarket new under part numbers 104940-4260, 4900804.
Which Cummins engines and machines does the 104940-4260 Fuel Injection Pump fit?
It is listed for A2300. If you are unsure, send your engine or machine nameplate to SINOCMP for confirmation.
How do I know my fuel pump is failing?
Common signs are hard starting or long cranking, loss of power under load, black, white or blue exhaust smoke, rough idle or surging, higher fuel consumption and fuel leaks.
Do I need to bleed the fuel system after replacing the pump?
Yes. Air in the fuel lines causes hard starting and false diagnostics, so bleed the system with the priming pump or bleed screws after installation and after any filter change.
What are the warranty and delivery terms for the 104940-4260 Fuel Injection Pump?
Warranty: 6 months. Your package will be sent within 2-3 business days, and another 3-7 business days to arrive in your country.
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