HomeBelts and Cooling > Water Pump and Related ComponentsUS Motor Works US6681 Engine Water Pump
Part #: US6681

US Motor Works US6681 Engine Water Pump

⚙️ 222 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 640i Gran Coupe, 640i xDrive Gran Coupe, 640i, 640i xDrive, X4, 535i GT, 535i GT xDrive, X3, 535i, 535i xDrive, ActiveHybrid 5, Z4, 740i, 740Li, 740Li xDrive, ActiveHybrid 7, X1, X6, 135i, 335i, 335i xDrive, 335is, X5, 1 Series M, 335xi, and 535xi
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Reliable Engine Water Pump for BMW Models

The US Motor Works US6681 engine water pump is designed to maintain optimal cooling performance for a wide range of BMW vehicles. Engineered to meet the specific requirements of BMW 1 Series M, 3 Series, 5 Series, 6 Series, 7 Series, X Series, and Z4 models, this water pump ensures efficient coolant circulation and engine temperature regulation.

  • Compatible with BMW 1 Series M, 135i, 335i, 335is, 335i xDrive, 335xi, 535i, 535i GT, 535i GT xDrive, 535i xDrive, 535xi, 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe, 740i, 740Li, 740Li xDrive, ActiveHybrid 5, ActiveHybrid 7, X1, X3, X4, X5, X6, and Z4
  • Part number US6681 for precise identification and fitment
  • Engineered to maintain proper coolant flow and prevent overheating
  • Durable construction designed for long service life under demanding conditions
  • Direct replacement for factory water pump to ensure proper fit and function

Product Details and Compatibility

The US Motor Works US6681 engine water pump is manufactured to meet OEM specifications for BMW vehicles listed in the fitment. This pump plays a critical role in the engine cooling system by circulating coolant through the engine block and radiator, helping to maintain stable operating temperatures. Proper fitment is essential for reliable operation, and this water pump is designed specifically for BMW models including the 1 Series M, 3 Series variants such as the 335i and 335xi, 5 Series models like the 535i and 535i GT, 6 Series, 7 Series, various X Series SUVs, and the Z4 roadster.

Common Applications and Problem Resolution

  • Replaces failing or leaking water pumps causing coolant loss
  • Addresses engine overheating due to insufficient coolant circulation
  • Resolves unusual noises from worn or damaged pump bearings
  • Prevents engine damage related to coolant system failure
  • Restores proper coolant flow for efficient engine temperature control

Installation Notes and Tips

Installation of the US Motor Works US6681 water pump should be performed by a qualified technician familiar with BMW cooling systems. It is recommended to drain the coolant system before removal and inspect related components such as hoses, thermostat, and belts for wear. Use manufacturer-approved coolant and follow torque specifications for mounting bolts. After installation, bleed the cooling system to remove air pockets and verify proper operation before vehicle use.

Quality Assurance and Warranty

US Motor Works manufactures this engine water pump to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, US Motor Works typically offers a limited warranty covering defects in materials and workmanship. This ensures confidence in the product’s reliability when installed in compatible BMW models.

This part fits 222 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2019BMW640i Gran CoupeBaseN/A
2019BMW640i xDrive Gran CoupeBaseN/A
2018BMW640iBaseN/A
2018BMW640i Gran CoupeBaseN/A
2018BMW640i xDriveBaseN/A
2018BMW640i xDrive Gran CoupeBaseN/A
2018BMWX4xDrive35i M SportN/A
2018BMWX4M40iN/A
2017BMW535i GTBaseN/A
2017BMW535i GT xDriveBaseN/A
2017BMW640iBaseN/A
2017BMW640i Gran CoupeBaseN/A
2017BMW640i xDriveBaseN/A
2017BMW640i xDrive Gran CoupeBaseN/A
2017BMWX3xDrive35iN/A
2017BMWX3xDrive35i M SportN/A
2017BMWX4xDrive35i M SportN/A
2017BMWX4M40iN/A
2016BMW535iM SportN/A
2016BMW535iLuxuryN/A
2016BMW535iGran TurismoN/A
2016BMW535iBaseN/A
2016BMW535i GTBaseN/A
2016BMW535i GT xDriveBaseN/A
2016BMW535i xDriveBaseN/A
2016BMW640iBaseN/A
2016BMW640i Gran CoupeBaseN/A
2016BMW640i xDriveBaseN/A
2016BMW640i xDrive Gran CoupeBaseN/A
2016BMWActiveHybrid 5BaseN/A
2016BMWX3xDrive35iN/A
2016BMWX3xDrive35i X LineN/A
2016BMWX3xDrive35i M SportN/A
2016BMWX4xDrive35iN/A
2016BMWX4xDrive35i X LineN/A
2016BMWX4xDrive35i M SportN/A
2016BMWX4X LineN/A
2016BMWX4M40iN/A
2016BMWX4M SportN/A
2016BMWZ4sDrive35isN/A
2016BMWZ4sDrive35iN/A
2016BMWZ4M SportN/A
2015BMW535iM SportN/A
2015BMW535iLuxuryN/A
2015BMW535iGran TurismoN/A
2015BMW535iBaseN/A
2015BMW535i GTBaseN/A
2015BMW535i GT xDriveBaseN/A
2015BMW535i xDriveBaseN/A
2015BMW640iBaseN/A
2015BMW640i Gran CoupeBaseN/A
2015BMW640i xDriveBaseN/A
2015BMW640i xDrive Gran CoupeBaseN/A
2015BMW740iBaseN/A
2015BMW740LiBaseN/A
2015BMW740Li xDriveBaseN/A
2015BMWActiveHybrid 5M SportN/A
2015BMWActiveHybrid 5BaseN/A
2015BMWActiveHybrid 7BaseN/A
2015BMWX1xDrive35iN/A
2015BMWX3xDrive35iN/A
2015BMWX3xDrive35i X LineN/A
2015BMWX3xDrive35i M SportN/A
2015BMWX4xDrive35iN/A
2015BMWX4xDrive35i X LineN/A
2015BMWX4xDrive35i M SportN/A
2015BMWZ4sDrive35isN/A
2015BMWZ4sDrive35iN/A
2015BMWZ4M SportN/A
2014BMW535iM SportN/A
2014BMW535iLuxuryN/A
2014BMW535iGran TurismoN/A
2014BMW535iBaseN/A
2014BMW535i GTBaseN/A
2014BMW535i GT xDriveBaseN/A
2014BMW535i xDriveBaseN/A
2014BMW640iBaseN/A
2014BMW640i Gran CoupeBaseN/A
2014BMW640i xDriveBaseN/A
2014BMW640i xDrive Gran CoupeBaseN/A
2014BMW740iBaseN/A
2014BMW740LiBaseN/A
2014BMW740Li xDriveBaseN/A
2014BMWActiveHybrid 5M SportN/A
2014BMWActiveHybrid 5BaseN/A
2014BMWActiveHybrid 7BaseN/A
2014BMWX1xDrive35iN/A
2014BMWX3xDrive35iN/A
2014BMWX3xDrive35i Top LineN/A
2014BMWX3xDrive35i M SportN/A
2014BMWX3xDrive28iN/A
2014BMWX6xDrive35iN/A
2014BMWZ4sDrive35isN/A
2014BMWZ4sDrive35iN/A
2014BMWZ4sDrive35i Pure TractionN/A
2014BMWZ4M SportN/A
2013BMW135iM SportN/A
2013BMW135iBaseN/A
2013BMW335iSportN/A
2013BMW335iModernN/A
2013BMW335iM SportN/A
2013BMW335iLuxuryN/A
2013BMW335iExclusiveN/A
2013BMW335iBaseN/AExc.Sedan
2013BMW335i xDriveBaseN/AExc.Sedan
2013BMW335isBaseN/A
2013BMW535iTopN/A
2013BMW535iM SportN/A
2013BMW535iLujoN/A
2013BMW535iGran TurismoN/A
2013BMW535iBaseN/A
2013BMW535i GTTopN/A
2013BMW535i GTM SportN/A
2013BMW535i GTBaseN/A
2013BMW535i GT xDriveBaseN/A
2013BMW535i xDriveBaseN/A
2013BMW640iBaseN/A
2013BMW640i Gran CoupeBaseN/A
2013BMW740iM SportN/A
2013BMW740iBaseN/A
2013BMW740LiBaseN/A
2013BMW740Li xDriveBaseN/A
2013BMWActiveHybrid 5BaseN/A
2013BMWActiveHybrid 7BaseN/A
2013BMWX1xDrive35iN/A
2013BMWX1xDrive28iN/A
2013BMWX3xDrive35iN/A
2013BMWX3xDrive35i M SportN/A
2013BMWX3xDrive28iN/A
2013BMWX3xDrive28i M SportN/A
2013BMWX5xDrive35iN/A
2013BMWX5xDrive30iN/A
2013BMWX6xDrive35iN/A
2013BMWX6xDrive35i M PerformanceN/A
2013BMWX6MN/A
2013BMWZ4sDrive35isN/A
2013BMWZ4sDrive35iN/A
2012BMW135iM SportN/A
2012BMW135iBaseN/A
2012BMW335iSportN/A
2012BMW335iModernN/A
2012BMW335iM SportN/A
2012BMW335iLuxuryN/A
2012BMW335iExclusiveN/A
2012BMW335iBaseN/A
2012BMW335i xDriveBaseN/A
2012BMW335isBaseN/A
2012BMW535iGran TurismoN/A
2012BMW535iBaseN/A
2012BMW535i GTBaseN/A
2012BMW535i GT xDriveBaseN/A
2012BMW535i xDriveBaseN/A
2012BMW640iBaseN/A
2012BMW740iM SportN/A
2012BMW740iBaseN/A
2012BMW740LiBaseN/A
2012BMWActiveHybrid 5BaseN/A
2012BMWX3xDrive35iN/A
2012BMWX3xDrive35i M SportN/A
2012BMWX3xDrive28iN/A
2012BMWX3xDrive28i Top LineN/A
2012BMWX3xDrive28i M SportN/A
2012BMWX3xDrive28i LujoN/A
2012BMWX5xDrive35iN/A
2012BMWX5xDrive30iN/A
2012BMWX5MN/A
2012BMWX6xDrive35iN/A
2012BMWX6MN/A
2012BMWZ4sDrive35isN/A
2012BMWZ4sDrive35iN/A
2011BMW1 Series MBaseN/A
2011BMW135iBaseN/A
2011BMW335iBaseN/A
2011BMW335i xDriveBaseN/A
2011BMW335isBaseN/A
2011BMW535iGran TurismoN/A
2011BMW535iBaseN/A
2011BMW535i GTBaseN/A
2011BMW535i GT xDriveBaseN/A
2011BMW535i xDriveBaseN/A
2011BMW740iBaseN/A
2011BMW740LiBase3.0LL6N/AStandard "Wet" Motor OEM replacement configuration
2011BMWX3xDrive35iN/A
2011BMWX3xDrive28iN/A
2011BMWX330i M SportN/A
2011BMWX33.0siN/A
2011BMWX5xDrive35iN/A
2011BMWX5xDrive30iN/A
2011BMWX5MN/A
2011BMWX6xDrive35iN/A
2011BMWX6MN/A
2011BMWZ4sDrive35isN/A
2011BMWZ4sDrive35iN/A
2010BMW135iBaseN/A
2010BMW335iM SportN/A
2010BMW335iBaseN/A
2010BMW335i xDriveBaseN/A
2010BMW535iGran TurismoN/A
2010BMW535iBaseN/A
2010BMW535i GTBaseN/A
2010BMW535i xDriveBaseN/A
2010BMWX6xDrive35iAN/A
2010BMWX6xDrive35iN/A
2010BMWZ4sDrive35iN/A
2009BMW135iBaseN/A
2009BMW335iM SportN/A
2009BMW335iBaseN/A
2009BMW335i xDriveBaseN/A
2009BMW535iBaseN/A
2009BMW535i xDriveBaseN/A
2009BMWX6xDrive35iAN/A
2009BMWX6xDrive35iN/A
2009BMWZ4sDrive35iN/A
2008BMW135iBaseN/A
2008BMW335iM SportN/A
2008BMW335iBaseN/A
2008BMW335xiBaseN/A
2008BMW535iBaseN/A
2008BMW535xiBaseN/A
2008BMWX6xDrive35iN/A
2007BMW335iBaseN/A
2007BMW335xiBaseN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.