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Cummins1 model in this listing1 variantCannot see your model? , and we will help you find the right part.
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Diesel injection pump BOSCH VP44 3964556
Product details
Cross-reference numbers:
3964556, 0470506040, 0986444053, 3937689, VR6365M1250R1000
Compare the complete number on the old part with the numbers in this listing before ordering.
Check compatibility before purchase
The most reliable way to identify a part is by its complete part number. You can also send the seller your VIN and vehicle details. The vehicle model or engine capacity alone may not identify the correct variant.
This listing includes 1 vehicle and engine applications.
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Outright purchase
The displayed product price covers the complete replacement part. You do not need to return your old unit.
Diagnosis and possible symptoms
The injection pump supplies the fuel pressure required by the engine. Difficult starting, stalling, loss of power or pressure-related fault codes can be caused by the pump or other parts of the system. Check the fuel supply, filter, lines, electrical connections and system cleanliness before replacing the pump.
Remanufacturing
Remanufacturing includes initial inspection, dismantling, cleaning and assessment of the components. Worn components are replaced as required, and the pump is assembled and calibrated. Operation and leak tightness are then checked on a test bench suitable for the pump type.
Remanufactured car part in VP30 / VP44 pumps. Bosch 3964556. Selected applications: Cummins QSB5.9 / ISB5.9 applications.
You have 14 days from delivery to return the product. Before fitting it, unpack the part carefully and compare its numbers and connectors with the existing unit.
Answers to common questions before purchase and installation.
This depends on the vehicle, pump control unit and immobiliser. Not every pump is ready to start without additional work. Provide the pump number and VIN before buying, and confirm the installation procedure and any electronic adaptation with your workshop.
Compare the Bosch number on your old pump's plate with the listing. Also check the engine version and connectors. If unsure, send us the VIN and photographs of the markings.
The listing describes the condition and preparation of the specific part. Before installation, your workshop should rectify the original fault and check the vehicle's systems.
The workshop should check fuel system cleanliness, the filter, timing, wiring and battery condition according to the vehicle manufacturer's instructions. Contamination or incorrect voltage can damage a working pump.
Some vehicles require adaptation or settings checks after installation. Do not assume the same procedure applies to every VP30 or VP44. The workshop should determine the procedure for your vehicle.
Do not repeatedly attempt to start it. The workshop should check timing, bleeding, electrical supply, immobiliser and fault codes before concluding that the pump is responsible.
Yes. The displayed product price covers the complete replacement part. You do not need to send us your old unit.
The warranty period and terms are shown in the listing and purchase documents. Keep proof of purchase and installation records. Contact us before removing the part if a problem occurs.
Available carriers, delivery times and prices are shown at checkout for your delivery address. Import charges are payable on arrival (DAP).
Selected reviews of TecNorma from eBay and Allegro. They concern different purchases, not only this product.
I am very satisfied.Recommended
Excellent communication, very helpful indeed. Item as described.Learn about TecNorma, our specialist parts and delivery destinations.
Operating under various brands since 1998
TecNorma specialises in professionally remanufactured car parts. Our range focuses on Common Rail high-pressure pumps, Bosch VP30 and VP44 injection pumps, diesel injectors, turbochargers, alternators and starter motors. Components are carefully tested and supplied ready for installation. We can help identify the right part using its OE reference, part number, VIN or vehicle details. We offer international shipping, including to the European Union, United Kingdom, United States, Canada and other international markets.
TecNorma — reliable car parts and customer support worldwide.
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Supplying car parts to customers across Europe, the Americas and Australia.
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