GMB 170-0003 Engine Water Pump with Fan Clutch

Engine Water Pump with Fan Clutch for Toyota

This GMB engine water pump with fan clutch is built to meet or exceed OEM specifications for dependable cooling system service. It is a new, OEM standard replacement made from metal for Toyota Tacoma, 4Runner, and T100 applications that require clockwise rotation and thermal fan clutch operation.

• Brand: GMB
• Part number: 170-0003
• Engine water pump with fan clutch assembly
• OEM standard item grade
• Metal construction
• New product condition
• Gaskets not included
• Pulley not included

Fitment Details

• Fits 2016-2023 Toyota Tacoma, N/A, Standard Duty
• Fits 2015 Toyota Tacoma, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch
• Fits 2006-2014 Toyota Tacoma, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch; Standard Duty
• Fits 1995-2004 Toyota Tacoma, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch; Standard Duty
• Fits 2010 Toyota 4Runner, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch; Standard Duty
• Fits 1996-2000 Toyota 4Runner, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch; Standard Duty
• Fits 1994-1998 Toyota T100, N/A, Clockwise (Std) Rotation; Thermal Fan Clutch; Standard Duty

Detailed Description

GMB 170-0003 is an OEM-standard engine water pump with fan clutch designed for Toyota cooling system service where correct rotation and thermal fan clutch operation are required. Manufactured to meet or exceed OEM specifications, this replacement supports proper coolant circulation and fan-driven airflow control in Tacoma, 4Runner, and T100 applications. The metal construction and new condition make it a direct service part for vehicles listed in the fitment data, including 2016-2023 Toyota Tacoma and earlier Tacoma, 4Runner, and T100 models. This part cross-references US Motor Works MCK1095 for the same application.

Common Repair Uses

• Restores coolant circulation when the original water pump is worn or leaking
• Addresses fan clutch operation concerns on clockwise-rotation Toyota applications
• Helps correct overheating caused by reduced pump performance
• Replaces a noisy or failing water pump and fan clutch assembly
• Supports cooling system service on high-mileage Toyota Tacoma, 4Runner, and T100 vehicles

Installation Notes

Verify engine rotation, thermal fan clutch requirements, and vehicle year before installation. Gaskets are not included, and the pulley is not included, so confirm the existing components or source the needed service parts separately. Clean the mounting surfaces thoroughly and inspect the cooling system for wear, contamination, or leaks before installing the new pump assembly. Part number 170-0003 should be matched to the exact application listed for Toyota Tacoma, 4Runner, and T100.

Quality Assurance

GMB manufactures this water pump and fan clutch assembly to meet or exceed OEM specifications, with OEM standard grading for consistent replacement quality. Part number 170-0003 is a new metal component built for the listed Toyota applications.