HomeBelts and Cooling > Water Pump and Related ComponentsGMB 120-4000 Engine Water Pump
Part #: 120-4000

GMB 120-4000 Engine Water Pump

⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge and Jeep, Durango, Grand Cherokee, Grand Cherokee L, and Grand Cherokee WK
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Engine Water Pump for Dodge and Jeep Vehicles

The GMB 120-4000 engine water pump is designed to maintain optimal engine temperature for Dodge Durango and Jeep Grand Cherokee models. Manufactured to OEM standards, this new metal water pump ensures consistent performance and durability for your vehicle's cooling system.

  • Compatible with Dodge Durango and Jeep Grand Cherokee, Grand Cherokee L, and Grand Cherokee WK models
  • Constructed from durable metal for long-lasting use
  • Meets OEM standard item grade for reliable fit and function
  • New product condition for assured quality and performance
  • Does not include gaskets, allowing for custom gasket selection during installation

Durable Metal Construction and OEM Standard Quality

The GMB 120-4000 engine water pump is crafted from high-quality metal, providing strength and resistance to wear under demanding engine conditions. Built to OEM standards, this pump offers precise fitment and reliable operation for Dodge Durango and Jeep Grand Cherokee models. Its new condition guarantees that the component meets strict manufacturing tolerances, ensuring proper coolant circulation and engine temperature regulation.

Compatible Vehicles and Applications

This engine water pump is specifically designed for use with the following vehicles:

  • Dodge Durango
  • Jeep Grand Cherokee
  • Jeep Grand Cherokee L
  • Jeep Grand Cherokee WK

It is ideal for replacing a failing or worn water pump to restore efficient coolant flow and prevent engine overheating.

Common Issues Addressed by the GMB 120-4000 Water Pump

  • Engine overheating due to coolant circulation failure
  • Coolant leaks from a damaged or worn water pump
  • Unusual noises caused by a failing pump bearing
  • Reduced engine performance linked to improper cooling
  • Preventative maintenance to avoid costly engine damage

Installation Notes and Tips

When installing the GMB 120-4000 water pump, ensure the use of appropriate gaskets as they are not included with this part. Verify compatibility with your specific Dodge Durango or Jeep Grand Cherokee model year before installation. Proper torque specifications should be followed to avoid leaks or premature wear. It is recommended to inspect the cooling system components during installation for any additional maintenance needs.

Quality Assurance and Warranty

The GMB 120-4000 engine water pump is manufactured to meet OEM standards, ensuring reliable performance and fitment. This new metal pump undergoes quality control inspections to maintain consistency. Please refer to GMB's warranty policy for specific coverage details.

BrandGMB
Part Number120-4000
Gaskets IncludedNo
Item GradeOem standard
MaterialMetal
Product ConditionNew

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2026DodgeDurango3.6LV6N/A
2025DodgeDurango3.6LV6N/A
2025JeepGrand Cherokee3.6LV6N/A
2025JeepGrand Cherokee L3.6LV6N/A
2024DodgeDurango3.6LV6N/A
2024JeepGrand Cherokee3.6LV6N/A
2024JeepGrand Cherokee L3.6LV6N/A
2023DodgeDurango3.6LV6N/A
2023JeepGrand Cherokee3.6LV6N/A
2023JeepGrand Cherokee L3.6LV6N/A
2022DodgeDurango3.6LV6N/A
2022JeepGrand Cherokee3.6LV6N/A
2022JeepGrand Cherokee L3.6LV6N/A
2022JeepGrand Cherokee WK3.6LV6N/A
2021DodgeDurango3.6LV6N/A
2021JeepGrand Cherokee3.6LV6N/A
2021JeepGrand Cherokee L3.6LV6N/A
2020DodgeDurango3.6LV6N/A
2020JeepGrand Cherokee3.6LV6N/A
2019DodgeDurango3.6LV6N/A
2019JeepGrand Cherokee3.6LV6N/A
2018DodgeDurango3.6LV6N/A
2018JeepGrand Cherokee3.6LV6N/A
2017DodgeDurango3.6LV6N/A
2017JeepGrand Cherokee3.6LV6N/A
2016DodgeDurango3.6LV6N/A
2016JeepGrand Cherokee3.6LV6N/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:

120400068311108AAUS8160

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