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URO 11517840403 Engine Water Pump Pulley
| Brand | URO 11517840403 |
|---|---|
| Color | Black |
| Inside Diameter | 40 |
| 2057 | Yes |
| 2061 | 6.5 |
| Attachment Type | Bolt |
| Pulley Type | Water pump/fixed |
| Width | 1.738 |
| Mounting Hardware Included | No |
| Belt Type | Serpentine |
| 671 | 4 |
| Bolt Hole Diameter (In) | Na |
| Bolt Hole Diameter (mm) | Na |
| Material | Aluminum |
| Number Of Pulley Grooves | 6 |
| Outside Diameter (In) | 4.57 |
| Outside Diameter (mm) | 116 |
| Fits | BMW · 16 vehicles |
OE dimensions. Manufactured to match proper clearances and belt alignment.
Aluminum construction. Handles engine heat and vibration with a durable, lightweight design.
Fixed pulley design. Built for a serpentine belt with six grooves for secure tracking.
Cross-references Genuine 11517840403, 11 51 7 840 403 and 118 06076 001 for the same application. See all 5.
Engine Water Pump Pulley for BMW Applications
This URO engine water pump pulley is built to OE water pump pulley dimensions for proper clearance and belt alignment. It is a direct-fit replacement for BMW cooling system service, including 2001-2006 BMW M3, 2001-2002 BMW Z3, and 2006-2008 BMW Z4 applications.
- OE-style dimensions for correct pulley alignment
- Black aluminum construction for strength and heat resistance
- 6-groove design for serpentine belt routing
- Bolt-on attachment type
- Outside diameter: 4.57 in. / 116 mm
- Inside diameter: 40 mm
- Width: 1.738 in.
Detailed Product Overview
URO part number 11517840403 is an engine water pump pulley engineered for BMW cooling system service where accurate belt tracking matters. The fixed pulley design uses a 6-groove serpentine layout and aluminum construction to handle engine heat and vibration while maintaining the correct fit on the water pump assembly. If you are replacing a worn or damaged pulley on a BMW M3, Z3, or Z4, 11517840403 provides the OE-style dimensions needed for proper operation.
This part cross-references Genuine 11517840403 for the same application.
Common Problems This Part Can Address
- Belt misalignment caused by a worn pulley
- Serpentine belt noise from pulley wear or runout
- Cooling system service after water pump replacement
- Cracked or heat-damaged pulley surfaces
- Improper belt tracking on BMW M3, Z3, or Z4 applications
Installation Notes and Tips
Inspect the serpentine belt, water pump, and adjacent pulleys before installation. Verify pulley alignment and mounting surface condition during service, and confirm the bolt-on fitment matches the vehicle’s OE configuration. For BMW cooling system repairs, 11517840403 should be checked against the existing pulley dimensions before final assembly.
Quality Assurance
URO manufactures this pulley to OE water pump pulley dimensions for proper clearances and belt alignment. The aluminum construction is selected to withstand engine heat and vibration, supporting consistent performance in BMW M3, Z3, and Z4 cooling system applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2008 | BMW | Z4 | M Coupe | N/A | — |
| 2008 | BMW | Z4 | M Roadster | N/A | — |
| 2007 | BMW | Z4 | M Coupe | N/A | — |
| 2007 | BMW | Z4 | M Roadster | N/A | — |
| 2006 | BMW | M3 | — | N/A | — |
| 2006 | BMW | Z4 | M Coupe | N/A | — |
| 2006 | BMW | Z4 | M Roadster | N/A | — |
| 2005 | BMW | M3 | — | N/A | — |
| 2004 | BMW | M3 | — | N/A | — |
| 2003 | BMW | M3 | — | N/A | — |
| 2002 | BMW | M3 | — | N/A | — |
| 2002 | BMW | Z3 | M Coupe | N/A | — |
| 2002 | BMW | Z3 | M Roadster | N/A | — |
| 2001 | BMW | M3 | — | N/A | — |
| 2001 | BMW | Z3 | M Coupe | N/A | — |
| 2001 | BMW | Z3 | M Roadster | N/A | — |
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