2881688 Genuine Cummins Water Pump

Name: 2881688 Genuine Cummins Water Pump
Brand: Cummins
SKU: 2881688
Price: 289.00 USD
Availability: InStock

P/N: 2881688 Manufactured by: Cummins

$289.00 - $289.00

$289.00

$289.00 - $289.00

$289.00

1 in Stock

Condition: New

We accept:

Not Sure Which Part Fits?
Our support team is here to help.

+1 (828) 209-8010

Monday – Saturday | 8:00 AM – 8:00 PM (EST)

Fast 2–3 Day Shipping

30-Day Returns

In Stock & Ships Fast

Expert Support Available

2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 2881688 is a genuine Cummins water pump designed for ISB 6.7L and QSB 4.5L engines. This pump circulates coolant through the engine block and radiator to regulate operating temperature and maintain consistent cooling system performance.

Product Features

The 2881688 water pump is manufactured to Cummins factory specifications for engine cooling applications.

Circulates coolant throughout the cooling system
Transfers engine heat to the radiator
Supports stable engine operating temperature
Assists cab heater coolant circulation
Integrates with factory cooling components
Maintains continuous coolant flow

Technical Specifications

Condition	New
Part Number	2881688
Brand	Cummins
Part Type	Water Pump
Engine Applications	ISB 6.7L, QSB 4.5L
Weight	8.0 lbs

Installation Notes

The 2881688 should be installed after inspecting the gasket surfaces, pulley alignment, coolant hoses, and mounting locations for wear or damage. Refill the cooling system with the specified coolant, bleed trapped air from the system, and verify there are no leaks after reaching operating temperature.

Always verify part number, engine model, cooling system configuration, pulley alignment, and mounting pattern before installation.