US Motor Works US72-2 Engine Water Pump

Brand US Motor Works US72-2
Fits Chevrolet and GMC · 219 vehicles

Engine water pump. Restores coolant circulation for dependable engine cooling.

Installation sealing devices included. Helps simplify a clean, secure installation.

Assembled in the USA. Built with domestic assembly for added confidence.

Cross-references Gates 43274BH, 251-748 and 252-1026 for the same application. See all 3.

$168.33Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
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Step 2 — Quantity
Order total $168.33
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Water Pump for GM HD Trucks and Vans

US Motor Works US72-2 is an engine water pump for select Chevrolet, GMC, and Hummer applications. It includes installation sealing devices and is assembled in the USA for direct replacement service on covered vehicles.

Key Features

  • Engine water pump for cooling system repair
  • Includes installation sealing devices
  • Assembled in the USA
  • Cross-references Gates 43274BH for the same application
  • Fits Chevrolet Express 2500, Express 3500, Silverado 2500 HD, and Silverado 3500 HD applications
  • Fits GMC Savana 2500, Savana 3500, Sierra 2500 HD, and Sierra 3500 HD applications

Detailed Description

US Motor Works US72-2 is a replacement engine water pump for GM heavy-duty trucks and vans, including Chevrolet Express 2500, Chevrolet Silverado 2500 HD, GMC Savana 3500, and GMC Sierra 3500 HD models across the listed years. It also fits 2006 Hummer H1 and select 2007 Classic HD applications. This part number, US72-2, is built for vehicles that require a water pump with back plate housing, making it a direct-fit option for cooling system service on these platforms.

This part cross-references Gates 43274BH for the same application.

What It Helps Address

  • Coolant leakage from a worn water pump
  • Overheating caused by reduced coolant circulation
  • Noise from a failing pump bearing or impeller assembly
  • Cooling system service on GM HD trucks and vans
  • Replacement needs on vehicles requiring a back plate housing

Installation Notes and Tips

Verify engine fitment and confirm the back plate housing requirement before installation. Inspect the cooling system, hoses, thermostat, and drive components during service, and replace worn sealing surfaces as needed. Follow the vehicle service manual for coolant refill and bleed procedures after installing US72-2.

Quality Assurance

US Motor Works assembles this water pump in the USA and includes installation sealing devices to support proper sealing during replacement.

This part fits 219 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2016ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2016ChevroletExpress 3500LT——N/AEngine Water Pump - Includes back plate housing
2016ChevroletExpress 3500LS——N/AEngine Water Pump - Includes back plate housing
2016ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 2500 HDHigh Country——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2016ChevroletSilverado 3500 HDHigh Country——N/AEngine Water Pump - Includes back plate housing
2016GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2016GMCSavana 3500LT——N/AEngine Water Pump - Includes back plate housing
2016GMCSavana 3500LS——N/AEngine Water Pump - Includes back plate housing
2016GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 2500 HDBase——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2016GMCSierra 3500 HDBase——N/AEngine Water Pump - Includes back plate housing
2015ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2015ChevroletExpress 3500LT——N/AEngine Water Pump - Includes back plate housing
2015ChevroletExpress 3500LS——N/AEngine Water Pump - Includes back plate housing
2015ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 2500 HDHigh Country——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2015ChevroletSilverado 3500 HDHigh Country——N/AEngine Water Pump - Includes back plate housing
2015GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2015GMCSavana 3500LT——N/AEngine Water Pump - Includes back plate housing
2015GMCSavana 3500LS——N/AEngine Water Pump - Includes back plate housing
2015GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 2500 HDBase——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2015GMCSierra 3500 HDBase——N/AEngine Water Pump - Includes back plate housing
2014ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2014ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2014ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2014GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2014GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2014GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2013ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2013ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2013ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2013GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2013GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2013GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2012ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2012ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2012ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2012GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2012GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2012GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2011ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2011ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2011ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2011GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2011GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 2500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2011GMCSierra 3500 HDDenali——N/AEngine Water Pump - Includes back plate housing
2010ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2010ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2010ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2010GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2010GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2010GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2009ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2009ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2009ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2009GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2009GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2009GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2008ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2008ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2008ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2008GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2008GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2008GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2007ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2007ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HD ClassicWT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HD ClassicLT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 2500 HD ClassicLS——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 ClassicWT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 ClassicLT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 ClassicLS——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 HDLTZ——N/AEngine Water Pump - Includes back plate housing
2007ChevroletSilverado 3500 HDLT——N/AEngine Water Pump - Includes back plate housing
2007GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2007GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HD ClassicWT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HD ClassicSLT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HD ClassicSLE——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 2500 HD ClassicSL——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 ClassicWT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 ClassicSLT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 ClassicSLE——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 ClassicSL——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 HDWT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2007GMCSierra 3500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2006ChevroletExpress 2500LT——N/AEngine Water Pump - Includes back plate housing
2006ChevroletExpress 2500LS——N/AEngine Water Pump - Includes back plate housing
2006ChevroletExpress 2500Base——N/AEngine Water Pump - Includes back plate housing
2006ChevroletExpress 3500Base——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 2500 HDLT——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 2500 HDLS——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 3500WT——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 3500LT——N/AEngine Water Pump - Includes back plate housing
2006ChevroletSilverado 3500LS——N/AEngine Water Pump - Includes back plate housing
2006GMCSavana 2500Base——N/AEngine Water Pump - Includes back plate housing
2006GMCSavana 3500Base——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 2500 HDWT——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 2500 HDSLT——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 2500 HDSLE——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 2500 HDSL——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 3500WT——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 3500SLT——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 3500SLE——N/AEngine Water Pump - Includes back plate housing
2006GMCSierra 3500SL——N/AEngine Water Pump - Includes back plate housing
2006HummerH1Alpha6.6LV8N/AIncludes back plate housing
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 43274BH251-748252-1026