4076442 Fuel Injection Pump is a replacement fuel pump for Cummins engines, including 8.3L, ISC, 8.9L, ISL 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 remanufactured
In Stock.
4076442 Fuel Injection Pump Specifications
- Product Type: Fuel Injection Pump
- Part Number: 4076442
- Compatible Brand: Cummins
- Machine Type: Engine
- Condition: Remanufactured, In Stock
- Product Weight: 32.5 kg/71.65 pounds (1 piece)
- Warranty: Communication Confirmed
- Brand: SINOCMP
- Country of Origin: China
Cummins Engines and Machines Compatible with the 4076442 Fuel Injection Pump
- Cummins 8.3L ISC and 8.9L ISL Diesel 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 4076442 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
- Delivery time: 5-12 days by air
35-45 days by sea
Notes
We will give you a reply within 12 hours - Payment methods: Credit Card, PayPal, T/T, Western Union
Frequently Asked Questions
What is the 4076442 Fuel Injection Pump?
The 4076442 Fuel Injection Pump is a replacement fuel pump for Cummins engines, supplied as remanufactured
In Stock under part number 4076442.
Which Cummins engines and machines does the 4076442 Fuel Injection Pump fit?
It is listed for 8.3L, ISC, 8.9L, ISL. 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 4076442 Fuel Injection Pump?
Typically, delivery takes 5-12 days by air
35-45 days by sea
Notes
We will give you a reply within 12 hours.





















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