Gates 43536 Engine Water Pump

Gates Water Pump for BMW Cooling Service

The Gates 43536 is a standard engine water pump built for BMW cooling system service where OE-style fit and dependable circulation matter. It uses a cast aluminum housing with a plastic impeller and includes the water pump and O-ring for a direct replacement on listed BMW applications.

Key Features

• Cast aluminum housing for strength and corrosion resistance
• Plastic impeller with standard rotation
• Accessory belt drive style
• Includes water pump and O-ring
• No back housing, thermostat housing, fan clutch, or pulley included
• Not timing belt driven

Product Details

Gates Water Pump (Standard) part number 43536 is engineered for BMW cooling systems that use an accessory belt-driven pump. Gates states that each new pump is built with premium alloy materials and undergoes seal and bearing function testing, along with leakage testing of the casting and assembled unit. This makes the Gates 43536 a practical choice for BMW M3, Z3, 323i, 328i, 528i, 325i, 525i, 320i, and 525iT service where a standard replacement water pump is required.

This part cross-references Four Seasons 20669 for the same application.

Fitment

• Fits 2000-2001 BMW Z3, W/Eng. S52; W/Plastic Impeller; Water Pump (Standard)
• Fits 1994-1999 BMW M3, W/Plastic Impeller; Water Pump (Standard)
• Fits 1997-1999 BMW Z3, W/Plastic Impeller; Water Pump (Standard)
• Fits 1998 BMW 323i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1998 BMW 323is, W/Plastic Impeller; Water Pump (Standard)
• Fits 1996-1998 BMW 328i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1996-1998 BMW 328is, W/Plastic Impeller; Water Pump (Standard)
• Fits 1997-1998 BMW 528i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1992-1995 BMW 325i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1992-1995 BMW 325is, W/Plastic Impeller; Water Pump (Standard)
• Fits 1991-1995 BMW 525i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1993 BMW 320i, W/Plastic Impeller; Water Pump (Standard)
• Fits 1993 BMW 525iT, W/Plastic Impeller; Water Pump (Standard)

Common Repair Uses

• Replacing a leaking BMW engine water pump
• Restoring coolant circulation in an overheating cooling system
• Addressing bearing noise or seal wear from the pump assembly
• Servicing a worn accessory belt-driven cooling component
• Repairing BMW M3 and Z3 cooling system maintenance needs

Installation Notes and Quality

Confirm the vehicle uses a standard, accessory belt-driven water pump with a plastic impeller before installation. Inspect the belt drive area, mating surfaces, and coolant passages during service, and replace the O-ring during installation. Gates 43536 is manufactured and tested for seal, bearing, and leakage performance to support OE-quality fit on the listed BMW applications.