OE Quality
60-Day Returns

Dayco DP1304 Engine Water Pump
Reliable Engine Water Pump for BMW 550i, 650i, 750i, 750Li, and X5
The Dayco DP1304 engine water pump is designed specifically for select BMW models, including the 550i, 650i, 750i, 750Li, and X5. This component plays a critical role in maintaining optimal engine temperature by circulating coolant efficiently.
- Compatible with BMW 550i, 650i, 750i, 750Li, and X5 models
- Part number DP1304 ensures precise fit and function
- Engine water pump designed for reliable coolant circulation
- Manufactured by Dayco, a trusted name in automotive components
- Direct replacement for original equipment water pumps
Product Details and Functionality
The Dayco DP1304 engine water pump is engineered to meet the cooling system requirements of BMW vehicles such as the 550i, 650i, 750i, 750Li, and X5. It facilitates the continuous flow of coolant through the engine block and radiator, preventing overheating and maintaining consistent engine performance. This pump is manufactured to precise specifications, ensuring compatibility and durability under normal operating conditions.
Common Applications and Problem Resolution
- Replaces failing or leaking water pumps in BMW 550i, 650i, 750i, 750Li, and X5
- Addresses engine overheating issues caused by coolant circulation failure
- Resolves coolant leaks that can lead to engine damage
- Prevents engine performance loss due to inadequate cooling
- Eliminates noise or bearing failure associated with worn water pumps
Installation Notes and Tips
When installing the Dayco DP1304 water pump, ensure the cooling system is fully drained before removal of the old pump. Clean the mounting surface thoroughly to prevent leaks. Use new gaskets or seals as recommended by the vehicle manufacturer. Torque all fasteners to BMW specifications to avoid damage. It is advisable to inspect related components such as hoses and thermostat during installation.
Quality Assurance and Warranty
Dayco manufactures the DP1304 engine water pump to meet stringent quality standards, ensuring reliable operation and longevity. While specific warranty details may vary, Dayco typically offers coverage against manufacturing defects. Refer to the product documentation or contact the manufacturer for exact warranty terms.
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | BMW | 550i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2010 | BMW | 650i | N/A | Compatible with vehicles equipped with serpentine belt driven systems. | ||
| 2010 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | BMW | 550i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2009 | BMW | 650i | N/A | Compatible with vehicles equipped with serpentine belt driven systems. | ||
| 2009 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | BMW | 550i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | BMW | 650i | N/A | Compatible with vehicles equipped with serpentine belt driven systems. | ||
| 2008 | BMW | 750i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | BMW | 750Li | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2008 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | BMW | 550i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | BMW | 650i | N/A | Compatible with vehicles equipped with serpentine belt driven systems. | ||
| 2007 | BMW | 750i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | BMW | 750Li | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2007 | BMW | X5 | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | BMW | 550i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | BMW | 650i | N/A | Compatible with vehicles equipped with serpentine belt driven systems. | ||
| 2006 | BMW | 750i | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2006 | BMW | 750Li | 4.8L | V8 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.