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

P/N: 2881688NX 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 2881688NX is a genuine Cummins water pump designed for compatible ISB 6.7L and QSB 4.5L engine applications. It circulates coolant through the engine cooling system to maintain proper temperature regulation, support heat transfer between engine components, and ensure stable cooling performance during operation.

Product Features

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

  • Moves coolant through engine passages and cooling circuits.
  • Maintains required coolant circulation during engine operation.
  • Supports heat transfer within compatible engine cooling systems.
  • Integrates with factory cooling components and mounting points.
  • Operates with ISB 6.7L and QSB 4.5L engines.
  • Assists consistent engine temperature control under operating conditions.

Technical Specifications

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


Installation Notes

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

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