2888749 CP9.5 High Pressure Fuel Pump For Cummins QSK Diesel Common Rail Systems

 

Product Data Overview

 

Item	Information
Product Name	High Pressure Fuel Pump / Fuel Injection Pump
Main Part Number	2888749
Common Bosch Reference	F00BL0P033
Other Bosch References	B444550005, B444550006, B444550009, B444550016
Common Cross Numbers	2870940, 2888810, 4998822, 4964216, 4928102, 4924586
Engine Application Direction	Cummins QSK Series
Common Engine Search Terms	QSK38, QSK50, QSK60
Fuel Type	Diesel
System Type	High-pressure diesel injection / common rail fuel system
Buyer Type	Distributors, repair shops, rebuilders, heavy-duty fleet operators

 

 

High-pressure fuel pumps for QSK engines may look similar from the outside, but small differences can affect performance and installation. Shaft design, mounting interface, fuel inlet/outlet position, sensor compatibility, control valve configuration, and internal pumping capacity must match the original system.

Before purchase, confirm the following:

Original part number on the removed pump

Bosch number on the pump body or label

Cummins engine serial number

CPL or engine arrangement number

Application type and rated power

Whether the pump is new, remanufactured, or exchange type

Whether a core charge applies

Whether fittings, seals, or accessories are included

For B2B customers, a clear pre-shipment confirmation process helps reduce wrong-part returns and installation disputes.

 

 

For overseas distributors and repair companies, packaging and inspection are as important as the part itself. A heavy high-pressure fuel pump must be shipped with strong protection against impact, moisture, dust, and port contamination.

Before shipment, we recommend checking:

Pump number and label clarity

Shaft and mounting surface condition

Port protection caps

No visible crack, corrosion, or impact damage

Clean external surface

Secure export carton or wooden case

Photos or video inspection before dispatch

Clear warranty and return conditions

For high-value QSK engine parts, this process helps customers buy with confidence and reduces communication cost after delivery.

 

 

Q1: How does thermal expansion matching inside the 2888749 prevent engine power loss?

A: By keeping internal clearances tight when hot, it stops pressurized fuel from slipping backward, ensuring the engine gets full fuel volume.

Q2: What is fuel vapor lock, and how does this injection pump protect against it?

A: Vapor lock occurs when hot fuel turns to gas inside the pump, causing stalling. The cooling channels of the 2888749 keep fuel liquid and moving.

Q3: Does this pump require an external connection to the engine's coolant lines?

A: No, it uses the incoming fuel flow to cool itself, simplifying installation and reducing potential leak points.

Q4: What diagnostic codes indicate that a fuel pump is failing due to high heat issues?

A: Look for "fuel rail pressure low during high thermal load" or intermittent rail pressure deviation codes.

Q5: How can fleet maintenance teams verify that the pump's thermal cooling loops are clear?

A: Monitor fuel return line temperatures; unusually high return temperatures can indicate a restriction in the fuel system paths.

 

 

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We're here to make your order process worry-free - choose the payment method that works best for you!

 

 

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