Home » OUSIMY Electric Water Pump & Thermostat Assembly for BMW 328i 428i 528i X1 X3 N20 2012-2018 | OE 11517604027
Product details
  • SKU QMDZSB002-N52-JWQ002
OUSIMY SHOP

OUSIMY Electric Water Pump & Thermostat Assembly for BMW 328i 428i 528i X1 X3 N20 2012-2018 | OE 11517604027

In stock
No reviews
Usually ships within 24 hours
$119.99
Product details
  • Vendor OUSIMY SHOP
  • SKU QMDZSB002-N52-JWQ002
  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Limited time offer

Fast & Reliable Shipping:

We understand that vehicle repairs cannot wait.

All OUSIMY orders are processed within 24 business hours after payment confirmation.

Shipping Options:

β€’ Standard Shipping:
Delivery usually takes 7-15 business days depending on destination.

β€’ Expedited Shipping:
Faster delivery options are available for customers who need their parts sooner.

β€’ Tracking Information:
Once your order ships, tracking details will be provided by email.

Please make sure your shipping address is correct before completing your order.

Warranty Policy:

At OUSIMY, we stand behind the quality and reliability of our automotive parts.

All products include a 3-Year Limited Warranty.

The warranty covers:
β€’ Manufacturing defects
β€’ Product quality issues
β€’ Failures under normal use conditions


If you experience any product issue, please contact our support team. We will provide assistance including troubleshooting, replacement, or other solutions.

Warranty does not cover:
β€’ Incorrect installation
β€’ Damage caused by accidents
β€’ Improper use
β€’ Normal wear and tear

30-Day Money-Back Guarantee:

Your satisfaction is important to us.

If you are not completely satisfied with your purchase, you can request a return within 30 days after receiving your order.

Return requirements:

β€’ Product must be unused
β€’ Product must be in original condition
β€’ Original packaging should be included


If you receive an incorrect or defective item, please contact us first. Our team will help resolve the issue as quickly as possible.

Vehicle Fitment & Technical Support:

Not sure if this part fits your vehicle?

Our automotive support team is here to help you find the correct replacement part before placing your order.

We can assist with:

βœ“ Vehicle compatibility confirmation
βœ“ OEM / Part number verification
βœ“ Product selection assistance
βœ“ Installation questions


To help us confirm the correct fitment, please provide:

β€’ Vehicle Make & Model
β€’ Year
β€’ Engine Type
β€’ OEM Part Number (if available)
β€’ VIN Number (optional)


Need help choosing the right part?

Click the chat icon in the bottom right corner and send us your vehicle information. Our team will help verify compatibility and recommend the correct replacement solution.
Description Shipping information Reviews (0)
OE Part Number: 11517604027, 11537549308, 11518635089
Specification Details
Condition New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging,Β 
OE Spec or Performance/Custom OE Spec
Type Electric Water Pump, Coolant Thermostat
Manufacturer Warranty 2 Year
UPC Does not apply
Brand autopart
Other Part Number 11518635089
Interchange Part Number 11518635089, 11518625974, 11517604027, 817 568 594, 81 625 092, 817 517
Manufacturer Part Number 11517604027

This complete electric water pump and thermostat assembly is a direct factory replacement designed for BMW N20 turbocharged engine models, including the 328i, 428i, 528i, X1, and X3. Fully calibrated to match original cooling system parameters, this integrated cooling kit restores precise engine temperature control and resolves common OEM cooling system failures for stable daily vehicle operation.
Basic Product Details Constructed with high-temperature resistant engineering plastic housing, wear-resistant internal impeller, and premium sealed motor components, this electric water pump comes pre-assembled with a matched thermostat and sealing gaskets. Mounted at the engine cooling circulation system, the integrated unit provides active electronic water circulation and accurate temperature regulation. This cooling assembly fits all BMW N20 engine vehicles manufactured between 2012 and 2018, requiring no extra programming or modification after installation.
Core Upgrade Advantages Upgraded internal motor winding and reinforced sealing structure effectively improve the original factory weaknesses of weak heat resistance and easy motor burnout. Compared with stock water pumps that suffer from slow response, insufficient flow rate, and easy coolant leakage after mileage accumulation, this upgraded assembly maintains stable electronic cooling efficiency under high-load and high-temperature conditions. Pre-assembled thermostat and perfect OEM-sized mounting ports ensure true bolt-on installation, eliminating the trouble of separate part matching and calibration for repair shops and DIY installers.
Solves Common Owner Pain Points Factory BMW N20 electric water pumps and thermostats have prominent aging defects. Worn OEM units commonly cause engine overheating, unstable water temperature fluctuations, poor heater heat output, and coolant leakage. Failed cooling components also lead to sudden engine temperature warning lights, reduced power output, and frequent system alarms. Many car owners encounter repeated replacement and recurring cooling faults due to inferior original component durability. This upgraded assembly completely fixes these common N20 cooling system issues.
Compatible OBD / VCDS Fault Codes Directly resolves mainstream cooling system fault codes triggered by failed water pump and thermostat, including P0597, P0598, P0128, which correspond to thermostat heater circuit malfunctions, cooling pump regulation errors, and engine coolant temperature deviation faults for BMW N20 engines.
Logistics & Shipping Benefits We provide free global shipping for all orders. All electric water pump and thermostat assemblies are stocked in overseas warehouses, with orders processed and shipped within 24 business hours after payment confirmation to shorten your vehicle maintenance cycle.
Warranty & Installation Support Every OUSIMY electric cooling pump assembly comes with a 2-year manufacturer warranty. Adopting a standard direct replacement structure, it supports friendly DIY installation. Complete accessories and accurate reserved mounting holes allow users to finish replacement with basic hand tools without professional remodeling.
Full Fitment Vehicle List
BMW 3 Series 328i (N20 Engine | 2012–2018)
BMW 4 Series 428i (N20 Engine | 2014–2018)
BMW 5 Series 528i (N20 Engine | 2012–2018)
BMW X1 (N20 Engine | 2013–2018)
BMW X3 (N20 Engine | 2012–2018)
Fits all gasoline N20 turbo engine variants for the above model years

Β 

… …