GMB 125-9020 Engine Water Pump - To Supercharger

Engine Water Pump for Supercharger Cooling

The GMB 125-9020 engine water pump is built for supercharger cooling and auxiliary cooling system applications across select Ford, Cadillac, Chevrolet, GMC, Saturn, and Land Rover vehicles. Manufactured to meet or exceed OEM specifications, this new OEM standard pump is made with a plastic housing for direct-fit replacement service.

Key Features

• Engine water pump for supercharger cooling and auxiliary cooling applications
• New, OEM standard replacement from GMB
• Plastic construction
• Manufactured to meet or exceed OEM specifications
• Fits select Land Rover Range Rover, Range Rover Sport, and LR4 applications
• Fits select Cadillac CTS, STS, and XLR applications
• Part number 125-9020 for accurate ordering and lookup

Detailed Description

GMB 125-9020 is an engine water pump engineered for vehicles that use an auxiliary electric pump in the supercharger cooling circuit or related thermal management system. This part number 125-9020 serves a wide range of applications, including 2014-2019 Land Rover Range Rover to supercharger, 2014-2016 Land Rover LR4 to supercharger, and 2009-2015 Cadillac CTS auxiliary water pump electric for supercharger cooling system. It also covers select Ford Mustang, Ford F-150, Ford Ranger, Chevrolet Cobalt, Saturn Ion, Chevrolet Silverado 1500, and GMC Sierra 1500 applications listed in the fitment data.

This pump is a practical OE-style replacement when the original auxiliary cooling pump is worn, noisy, or no longer circulating coolant properly. Cross-reference part numbers include Gates 41518E and Dayco 89009 for the same application.

Common Replacement Reasons

• Loss of coolant circulation in the supercharger cooling circuit
• Overheating concerns tied to auxiliary cooling pump failure
• Electric pump noise, leakage, or reduced flow
• Cooling system fault codes related to auxiliary pump performance
• Thermal management issues in supercharged or hybrid cooling setups

Installation Notes and Tips

Confirm the vehicle year, make, model, and cooling-system application before ordering. This pump is listed for both to-supercharger and auxiliary electric pump uses, so match the original part location and system type exactly. Gaskets are not included, so inspect the sealing surfaces and replace any required seals or gaskets during service. Verify coolant condition, electrical connector condition, and hose routing before returning the vehicle to service.

Quality Assurance

GMB manufactures this pump to meet or exceed OEM specifications, with OEM standard grading for replacement confidence. The new condition and application-specific fitment support accurate service on Land Rover Range Rover, Cadillac CTS, and other listed vehicles.