GMB 140-1320 Engine Water Pump

Engine Water Pump for Isuzu and Geo

The GMB 140-1320 engine water pump is built to meet or exceed OEM specifications for dependable cooling-system service. It is an OEM standard replacement with an aluminum housing, a paper gasket included, and no pulley included.

Key Features

• GMB 140-1320 engine water pump for OE-style cooling system replacement
• OEM Standard item grade for factory-level fit and function
• Aluminum construction for durable, lightweight performance
• Gaskets included; package contents include 1 paper gasket
• New condition with no pulley included

Fitment Details

Compatible with 1990-1992 Isuzu Impulse, N/A; 1990-1991 Geo Storm, N/A; and 1991 Isuzu Stylus, N/A. This GMB 140-1320 water pump is a direct-fit cooling component for these applications, including Isuzu Impulse and Geo Storm models from the early 1990s.

What This Water Pump Helps Address

• Coolant circulation problems caused by a worn pump
• Engine overheating from reduced coolant flow
• Coolant leakage at the pump housing or gasket surface
• Noisy operation from a failing internal pump assembly
• Cooling-system service needs during maintenance or repair

Installation Notes and Tips

Confirm engine application before installation and compare the original pump to the GMB 140-1320 for mounting and hose alignment. Replace the gasket during service, clean the mating surfaces thoroughly, and inspect belts, hoses, and nearby cooling components before reassembly. Because no pulley is included, reuse or replace the pulley as needed based on the vehicle setup.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, supporting consistent fit and cooling-system performance. This part cross-references Airtex AW9220 and Gates 18648 for the same application.