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Gates 42363 Engine Water Pump - Main
| Brand | Gates 42363 |
|---|---|
| Position | Main |
| Pulley Included | Yes |
| Fan Clutch Included | No |
| Housing Material | Cast aluminum |
| Impeller Material | Plastic |
| Impeller Rotation | Reverse |
| Includes Back Housing | No |
| Water Pump Drive Type | Accessory belt |
| Outlet Quantity | 0 |
| Thermostat And Housing Included | No |
| Contents | Water pump |
| Timing Belt Driven | No |
| Product line | Water Pump (Standard) |
| Fits | BMW · 52 vehicles |
OE-quality fit. Built as a standard replacement water pump for BMW cooling systems.
Reverse-rotation design. Uses a plastic impeller and accessory-belt drive configuration.
Tested for leaks. Every unit is functionally checked for seals, bearings, and leakage.
Cross-references Gates 42363, 11517643067 and B327 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Water Pump Overview
The Gates 42363 engine water pump is a standard replacement built for BMW cooling systems that require a reverse-rotation, accessory-belt-driven design. It is engineered with a cast aluminum housing and plastic impeller, and it includes a pulley for a direct service replacement.
Compatible with BMW 440i, 540i, 740i, X3, X4, 340i, 640i, M240i, and related xDrive and Gran Coupe applications, this water pump is listed for multiple 2017-2020 fitments. The 42363 part number is a useful reference when matching the correct cooling component for these applications.
- Cast aluminum housing for a durable pump body.
- Plastic impeller with reverse rotation design.
- Accessory belt drive configuration.
- Pulley included for service replacement.
- 100% seal, bearing, and leakage testing during manufacturing.
Detailed Fitment and Function
This Gates water pump is intended for BMW cooling systems that use a standard pump with housing included on many applications. It supports coolant circulation through the engine cooling circuit and is built to meet OE-quality fit expectations. The 42363 water pump is cross-referenced to BMW OE number 11517643067 and B327 for the same application.
Fits 2017-2020 BMW 440i, Main. Fits 2017-2020 BMW 440i Gran Coupe, Main. Fits 2017-2020 BMW 440i xDrive, Main. Fits 2017-2020 BMW 440i xDrive Gran Coupe, Main. Fits 2017-2020 BMW M240i, N/A. Fits 2017-2020 BMW M240i xDrive, N/A. Fits 2017-2019 BMW 540i, N/A. Fits 2017-2019 BMW 540i xDrive, N/A. Fits 2017-2019 BMW 740i, N/A. Fits 2017-2019 BMW 740i xDrive, N/A. Fits 2017-2019 BMW X3, N/A. Fits 2019 BMW X4, N/A. Fits 2017-2018 BMW 340i, N/A. Fits 2017-2018 BMW 340i GT xDrive, N/A. Fits 2017-2018 BMW 340i xDrive, N/A. Fits 2017-2018 BMW 640i, Main. Fits 2017-2018 BMW 640i Gran Coupe, Main. Fits 2017-2018 BMW 640i xDrive, Main. Fits 2017-2018 BMW 640i xDrive Gran Coupe, Main. Fits 2018 BMW 640i xDrive Gran Turismo, N/A. Fits 2018 BMW X3, Main.
Common Replacement Reasons
- Coolant circulation loss from a worn pump.
- Leakage at the pump casting or seals.
- Bearing noise or shaft play in the pump assembly.
- Overheating caused by reduced coolant flow.
- Service replacement for a reverse-rotation accessory-belt pump.
Installation Notes
Verify the vehicle uses the correct accessory-belt-driven, reverse-rotation water pump before installation. Confirm the housing requirement against the application notes, since some fitments list the pump with housing and others list the pump alone. Match the 42363 part number to the existing cooling system configuration before removal.
Quality Assurance
Gates manufactures this water pump with premium alloy materials and performs 100% functional testing of seals and bearings, plus 100% leakage testing of the casting and assembled unit. The brand positions this part as an OE-quality replacement for the listed BMW applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | BMW | 440i | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2020 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2020 | BMW | 440i xDrive | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2020 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2020 | BMW | M240i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2020 | BMW | M240i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 440i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 440i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 540i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 540i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 740i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | 740i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | X3 | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2019 | BMW | X4 | 3.0L | L6 | GAS | N/A | Water Pump (Standard) |
| 2018 | BMW | 340i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 340i GT xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 340i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 440i | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 440i xDrive | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 540i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 540i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 640i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 640i Gran Coupe | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 640i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 640i xDrive Gran Coupe | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 640i xDrive Gran Turismo | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 740i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | 740i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | M240i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | M240i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2018 | BMW | X3 | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 340i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 340i GT xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 340i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 440i | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 440i xDrive | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Main | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 540i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 540i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 640i | 3.0L | L6 | GAS | Main | Water Pump (Standard) |
| 2017 | BMW | 640i Gran Coupe | 3.0L | L6 | GAS | Main | Water Pump (Standard) |
| 2017 | BMW | 640i xDrive | 3.0L | L6 | GAS | Main | Water Pump (Standard) |
| 2017 | BMW | 640i xDrive Gran Coupe | 3.0L | L6 | GAS | Main | Water Pump (Standard) |
| 2017 | BMW | 740i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | 740i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | M240i | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
| 2017 | BMW | M240i xDrive | 3.0L | L6 | GAS | N/A | W/Housing; Water Pump (Standard) |
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