Water Pump - Quinton Hazell - QCP3926
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eBayWater Pump QCP3926 Quinton Hazell Coolant 11518631692 11517644804 11518573334
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Product Information
Full details
This Quinton Hazell Water Pump (QCP3926) is designed for engine cooling systems in specific BMW models. It offers a durable replacement part with a plastic impeller, ensuring efficient coolant circulation. While it provides a reliable solution for maintaining optimal engine temperature, proper installation by a qualified technician is crucial for longevity and performance.
All features
| Model Part Number | QCP3926 |
|---|---|
| Brand | Quinton Hazell |
Extended Product Information
FAQs
What does a water pump do?
A water pump circulates coolant through your engine's cooling system, absorbing heat and releasing it through the radiator to prevent the engine from overheating.
How do I know if my water pump needs replacing?
Common signs include a coolant leak near the pump, a whining or grinding noise from the engine, or frequent engine overheating.
Is professional installation necessary for this water pump?
Yes, due to the complexity of the cooling system and the need for proper sealing and bleeding, professional installation is highly recommended.
What is the impeller material?
This water pump features a plastic impeller.
Which BMW models is this water pump compatible with?
It is compatible with specific BMW 1 Series (F20, F21) 116 i and 3 Series (F30, F31) 318 models equipped with the B38B15A 1.5 petrol engine, within specific manufacturing date ranges.
Can I use this water pump if my car has a different engine size?
No, this water pump is specifically designed for the B38B15A 1.5 petrol engine and may not be compatible with other engine sizes or types.
What are the OEM part numbers this pump replaces?
This water pump is compatible with OEM references BMW11517644804 and 11518631692.
Troubleshooting
Coolant leak from the pump area
Ensure the mounting surface was clean and the gasket/sealant was applied correctly. Check for cracks in the pump housing. Professional inspection may be required.
Engine overheating despite new pump
Verify the cooling system was properly bled of air. Check for other cooling system issues such as a faulty thermostat, radiator blockage, or worn drive belt. Ensure the correct coolant mixture is used.
Noise coming from the pump area (e.g., whining or grinding)
This could indicate a bearing issue or the pump not being seated correctly. Have it inspected by a professional technician.
Pros and Cons
Pros
- Ensures efficient engine cooling.
- Durable construction with a plastic impeller.
- Designed for specific BMW models, ensuring compatibility.
- Meets OEM specifications for reliable performance.
- Cross-referenced with multiple brands for easier part identification.
Cons
- Requires professional installation for optimal function.
- Plastic impeller might be perceived as less robust than metal by some.
- Limited to specific BMW engine variants.
Setup, Compatibility & Care
Compatibility: This water pump is compatible with BMW 1 Series (F20, F21) 116 i models manufactured between March 2015 and June 2019, and BMW 3 Series (F30, F31) 318 models manufactured between July 2015 and June 2019, provided they are equipped with the B38B15A 1.5 petrol engine. Verify OEM part numbers BMW11517644804 and 11518631692 for exact fitment.
Setup: Installation requires mechanical expertise and should be performed by a qualified technician. This typically involves draining the cooling system, removing the old water pump, cleaning the mounting surface, installing the new pump with a new gasket or sealant as specified, and refilling and bleeding the cooling system.
Care: The water pump itself is a sealed unit and requires no regular maintenance beyond ensuring the engine's cooling system is properly maintained. Regular checks of coolant levels and the condition of hoses are recommended. Avoid using harsh flushing agents that could damage the plastic impeller.