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2881688-NX Genuine Cummins Water Pump
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2881688-NX Genuine Cummins Water Pump

P/N: 2881688-NX Manufactured by: Cummins
$289.00 - $289.00
$289.00
$289.00 - $289.00
$289.00
1 in Stock
Condition: New
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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-NX is a genuine Cummins water pump designed for ISB 6.7L and QSB 4.5L engine applications. It circulates coolant through the engine cooling system to regulate operating temperature, support heat transfer, and maintain proper cooling system function during engine operation.

Product Features

The 2881688-NX water pump is manufactured to Cummins specifications for engine cooling system operation.

  • Circulates coolant throughout the engine cooling passages.
  • Maintains coolant flow required for engine temperature control.
  • Supports heat transfer within compatible cooling systems.
  • Integrates with factory engine mounting and cooling components.
  • Operates with ISB 6.7L and QSB 4.5L engines.
  • Assists consistent cooling system performance during operation.

Technical Specifications

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


Installation Notes

The 2881688-NX should be installed after inspecting the coolant passages, mounting surface, gasket area, and drive components for contamination, wear, or damage that could affect pump operation. After installation, refill the cooling system as required, verify proper coolant circulation, and inspect all connections for leaks during engine operation.

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