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Metelli PA1040 Engine Water Pump
| Brand | Metelli PA1040 |
|---|---|
| Bearing Outside Diameter | 34 |
| Bearing Type | Roller/Ball |
| Gasket Or Seal Included | YES |
| Housing Material | Aluminium |
| Impeller Material | Brass |
| Impeller Outside Diameter | 70 |
| Impeller Vane Quantity | 8 |
| New Or Remanufactured | NEW |
| Package Contents | Water Pump, Gasket |
| Fits | BMW · 14 vehicles |
New water pump. Fresh replacement part with gasket included.
Aluminium housing. Lightweight construction helps resist corrosion.
Brass impeller. Durable impeller with 8 vanes for efficient flow.
Cross-references Beck/Arnley 131-2363, Continental 65031 and Dorman - HELP 42314 for the same application. See all 35.
Metelli PA1040 Engine Water Pump
The Metelli PA1040 engine water pump is a new replacement water pump built for select BMW applications, including 2004-2006 BMW X5 and 2004-2005 BMW 545i, 645Ci, 745i, and 745Li. It is built with an aluminium housing, brass impeller, and roller/ball bearing construction for a direct-fit cooling system service part.
Key Features
- Brand: Metelli
- Part number: PA1040
- New engine water pump
- Aluminium housing for corrosion-resistant construction
- Brass impeller with 8 vanes
- Impeller outside diameter: 70
- Bearing outside diameter: 34
- Roller/ball bearing design
- Gasket included
- Package contents: water pump, gasket
Detailed Description
Metelli PA1040 is an engine water pump for BMW cooling system repair and maintenance. It is engineered with a brass impeller and aluminium housing, and it includes a gasket for installation on the listed BMW X5, 545i, 645Ci, 745i, and 745Li applications. This part cross-references Beck/Arnley 131-2363 and GMB 115-3100 for the same application.
Common Replacement Reasons
- Coolant circulation problems
- Overheating caused by pump wear
- Coolant leakage at the pump housing or seal area
- Noise from worn bearing components
- Reduced cooling performance in BMW X5 and BMW 7 Series applications
Installation Notes and Tips
Verify engine application and cooling system configuration before installation. Replace the gasket during service, inspect the belt drive and adjacent cooling components, and refill the system with the correct coolant specification after installation. Confirm fitment for 2004-2006 BMW X5 and 2004-2005 BMW 545i, 645Ci, 745i, or 745Li before ordering.
Quality Assurance
Metelli supplies replacement cooling components built to match listed vehicle applications. PA1040 is a new part, not remanufactured, and is specified with gasket included for service-ready installation.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | X5 | 4.4L | V8 | N/A | — |
| 2006 | BMW | X5 | 4.8L | V8 | N/A | — |
| 2005 | BMW | 545i | 4.4L | V8 | N/A | — |
| 2005 | BMW | 645Ci | 4.4L | V8 | N/A | — |
| 2005 | BMW | 745i | 4.4L | V8 | N/A | — |
| 2005 | BMW | 745Li | 4.4L | V8 | N/A | — |
| 2005 | BMW | X5 | 4.4L | V8 | N/A | — |
| 2005 | BMW | X5 | 4.8L | V8 | N/A | — |
| 2004 | BMW | 545i | 4.4L | V8 | N/A | — |
| 2004 | BMW | 645Ci | 4.4L | V8 | N/A | — |
| 2004 | BMW | 745i | 4.4L | V8 | N/A | — |
| 2004 | BMW | 745Li | 4.4L | V8 | N/A | — |
| 2004 | BMW | X5 | 4.4L | V8 | N/A | — |
| 2004 | BMW | X5 | 4.8L | V8 | N/A | — |
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