



Toyota Genuine Parts Cap Sub-Assy, Radiat 16401-31480 | OEM Toyota Quality
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Description
xPremium reliability with Toyota Genuine Parts
The Cap Sub-Assy, Radiat (16401-31480) is a radiator cap sub-assembly built to fit Toyota cooling systems with OEM precision. This part supports a secure seal and aligns with Toyota specifications for straightforward, trustworthy maintenance.
In everyday service, a correctly matched cap helps maintain the intended pressure range within the cooling system, contributing to consistent operation during drives, errands, or longer trips. When inspecting coolant levels or topping off fluid, the cap's fit can foster a smoother, more confident maintenance experience.
Key characteristics
- Vehicle-specific design for a precise connection with your radiator
- Manufacturer-grade construction from Toyota Quality Assured standards
- OEM, not aftermarket, ensuring alignment with original equipment specifications
What to expect in daily use
- Accurate compatibility with Toyota models that require 16401-31480
- Reliable sealing and proper interface with the radiator neck
For DIY enthusiasts or professional technicians, choosing genuine Toyota parts helps maintain consistency across the vehicle’s cooling components. The Cap Sub-Assy, Radiat is a single piece, but its correct fit supports the reliability of routine maintenance and service operations.
Note: Benefits described are typical expectations based on OEM design; actual results may vary with driving conditions and maintenance practices.
How to verify fit and schedule alignment
Check the part number 16401-31480 against your vehicle service records or the Toyota parts catalog. When in doubt, consult a trusted technician to confirm compatibility before replacement.
Keeping genuine Toyota parts on hand helps support a consistent maintenance history and reduces confusion during parts selection.
FAQ
Q: What is the Toyota Genuine Parts Cap Sub-Assy, Radiat used for?
A: It is a radiator cap sub-assembly designed for Toyota vehicles to seal the cooling system and manage pressure.
Q: Is this part OEM and not aftermarket?
A: Yes. This is Toyota Genuine OEM, not aftermarket, ensuring vehicle-specific fit and Toyota Quality Assured.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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