GMB 120-4000 water pump for the 2016-2026 Jeep Grand Cherokee V6 3.6L and other vehicles circulates coolant through the engine. Also called an engine water pump, it is designed to match OE coolant flow rate and pressure.
- 100% factory tested for leakage and dimensional precision
- Bearing tested for noise and durability
- Aluminum casting with a metal impeller
- Reverse-rotation impeller for serpentine belt drive
Quick facts
- Part: GMB 120-4000 water pump
- Also called: engine water pump
- Fits: 2016-2026 Jeep Grand Cherokee V6 3.6L and other vehicles
- Material: Aluminum casting, metal impeller
- Condition: New
A coolant leak at the pump, a whine from the bearing or an engine that runs hot can mean the pump is worn, though a stuck thermostat or a slipping serpentine belt can be behind them, so find the cause before you replace it.
Fits
This direct-fit water pump replacement suits the 2018 Jeep Grand Cherokee V6 3.6L and the 2016-2026 Dodge Durango V6 3.6L. The 2021-2025 Jeep Grand Cherokee L V6 3.6L takes it too, one pump per vehicle. If your vehicle is not named above, look for its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Drive type: serpentine belt
- Pulley: included, serpentine belt type
- Impeller rotation: reverse
Build and materials
- Casting material: aluminum
- Impeller material: metal
- Gasket or seal: 1, metal gasket material
- Condition: New
- Country of origin: China
In the box
One water pump with its pulley and one gasket or seal. Bolts, a bracket, a sensor, a fan clutch and a thermostat are not included, and the old bolts may not be reusable, so plan on new ones.
Installation notes
- An instruction sheet comes with the pump for the installation steps.
Interchange: 4893940AC · 4893940AD · 68311108AA · DP2180 · DP2259 · US8160
This part cross-references / interchanges with the following part numbers:
4893940AC, 4893940AD, 68311108AA, DP2180, DP2259, 1204000, US8160
Frequently Asked Questions
Is GMB 120-4000 the right Jeep Grand Cherokee water pump for a 2016-2026 model with the V6 3.6L?
Yes. GMB 120-4000 fits the 2016-2026 Jeep Grand Cherokee V6 3.6L. For other years or engines, look up your vehicle in the "Vehicles it fits" section.
Does this Dodge Durango water pump fit the 2016-2026 V6 3.6L?
Yes. GMB 120-4000 fits the 2016-2026 Dodge Durango V6 3.6L, and that vehicle takes one pump.
Does this GMB water pump come with the pulley?
Yes. The pulley is included, along with a gasket or seal and an instruction sheet. Bolts, a bracket, a sensor, a fan clutch and a thermostat are not included and come separately.
Is the impeller on this water pump metal or plastic?
The impeller is metal and the pump body is an aluminum casting. The impeller turns in reverse rotation, and the pump is driven by the serpentine belt.
Is 68311108AA an equivalent number for this water pump?
Yes. 68311108AA is on the interchange list for GMB 120-4000, along with 4893940AC, 4893940AD, DP2180, DP2259 and US8160.
