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AISIN WQT-800 - Drive Motor Inverter Cooler Water Pump
Product Overview
The AISIN WQT-800 Drive Motor Inverter Cooler Water Pump is engineered to efficiently manage the cooling system of your vehicle's hybrid inverter. This pump plays a crucial role in ensuring optimal temperature control, enhancing the longevity and performance of your drive motor. Designed with OE-level quality and reliability, the WQT-800 guarantees a precise fit for select Toyota models, providing peace of mind for vehicle owners. Trust in AISIN's reputation for excellence in automotive parts. Choose AISIN WQT-800 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This AISIN WQT-800 is equivalent to or replaces the following part numbers: 04000-32528, 0400032528, G9040-47031, G904047031, G9040-47030, G904047030, WQT800.
Vehicle Compatibility
- Toyota Prius 1.5 (2004-2009)
This also fits other applications. Please use the vehicle selector tool to verify fitment.
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Frequently Asked Questions
What is the purpose of the AISIN WQT-800 Drive Motor Inverter Cooler Water Pump?
The AISIN WQT-800 is designed to maintain optimal temperatures in the inverter cooling system, ensuring efficient operation and extending the life of your hybrid vehicle's components.
What vehicles is the WQT-800 compatible with?
The WQT-800 is specifically compatible with the 2004-2009 Toyota Prius 1.5, ensuring a perfect fit and reliable performance.
What should I do if I see DTCs related to the cooling system?
If you encounter DTCs such as P0A80 or P0A9C, it may indicate issues with the inverter cooling system. Inspect the AISIN WQT-800 for proper operation and replace if necessary.
How do I know if the WQT-800 is the right part for my vehicle?
To confirm compatibility, check your vehicle's specifications against the part number WQT-800 or use the vehicle selector tool on our website.
Why is it important to replace the inverter cooler water pump?
Replacing the inverter cooler water pump, like the AISIN WQT-800, is essential for maintaining the efficiency of your hybrid system and preventing overheating, which can lead to significant damage.
Order AISIN WQT-800 today for a factory-correct replacement that restores safety and performance.
- BrandAISIN
- ManufacturerAISIN
- MPNWQT-800
- OE Part Numbers04000-32528, 0400032528, G9040-47031, G904047031, G9040-47030, G904047030
- Cross Reference NumbersWQT800, WQT-800
- Part TypeDrive Motor Inverter Cooler Water Pump
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2004 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2005 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2006 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2007 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2007 | Toyota | Prius | Touring (1.5 L4 FHEV) | |
| 2008 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2008 | Toyota | Prius | Touring (1.5 L4 FHEV) | |
| 2009 | Toyota | Prius | Base (1.5 L4 FHEV) | |
| 2009 | Toyota | Prius | Touring (1.5 L4 FHEV) |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
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Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.
























