---
product_id: 431604260
title: "Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h"
brand: "hosairy"
price: "$71"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/431604260-radiator-cap-replace-16401-31650-1640131650-for-toyota-4runner-fj
store_origin: NZ
region: New Zealand
---

# Prevents coolant loss Easy installation Compatible with multiple models Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h

**Brand:** hosairy
**Price:** $71
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h by hosairy
- **How much does it cost?** $71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/431604260-radiator-cap-replace-16401-31650-1640131650-for-toyota-4runner-fj)

## Best For

- hosairy enthusiasts

## Why This Product

- Trusted hosairy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Fit:** Engineered for Toyota and Lexus models, ensuring a perfect match.
- • **User-Friendly:** Simple installation process for hassle-free replacement.
- • **Durable Design:** Crafted from premium materials for long-lasting performance.
- • **Pressure Control:** Maintains optimal pressure to prevent overheating.
- • **Aftermarket Assurance:** Not OEM, but meets or exceeds original equipment standards.

## Overview

The HOSAIRY Radiator Cap is a high-quality aftermarket replacement designed for a range of Toyota and Lexus vehicles. It effectively seals the radiator, preventing coolant loss and maintaining optimal pressure to protect your engine from overheating. With easy installation and durable construction, this radiator cap is a smart choice for any vehicle owner looking to enhance performance and reliability.

## Description

Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h

## Features

- [Compatible Vehicles] 2006 for Lexus GS300; 2007-2011 for Lexus GS350; 2007 for Lexus GS430; 2007-2011 for Lexus GS450h; 2010-2011 for Lexus GX460; 2003-2009 for Lexus GX470; 2006-2012 for Lexus IS250; 2006-2012 for Lexus IS350
- [Compatible Vehicles] 2003-2009 for Toyota 4Runner 4.0L V6 ( To 01/2009 ); 2010 for Toyota 4Runner 2.7L L4; 2007-2011 for Toyota FJ Cruiser; 2005-2011 for Toyota Tacoma; Replace OE# for 16401-31650, 1640131650 radiator cap
- [Function] HOSAIRY Radiator Cap designed to seal the top of the radiator filler neck, It can hold the coolant inside the radiator and prevent coolant loss, Also works as a two-way valve that keep the right pressure inside so the radiator does it work correctly. If the pressure isn't maintained, coolant will boil and evaporate, the engine will at risk of overheating. Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine.
- [Features] HOSAIRY Replacement Radiator Cap is Professional, High-quality OE style and meet or exceed original equipment performance. Made of premium materials for durability. Designed for function on open cooling systems and overflow reservoir type systems. It is extremely important to always make sure to allow the engine to cool down before removing the radiator cap, once you have a replacement and your engine is cool, simply unscrew the old cap, and install the new by screwing it down.
- [Notes] Please Check the part number and the model and year of your car before you purchase. This is NOT an OEM Part, it's an Aftermarket replacement part manufactured by HOSAIRY. Professional Installation is recommended, If the Radiator Cap fails on your vehicle, just contact us for a replacement. Any question, please feel free to e-mail us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HOSAIRY |
| Brand | HOSAIRY |
| Model | Radiator Cap for Toyota 4Runner & Lexus GX470 IS25 |
| Package Dimensions | 7.9 x 7.01 x 2.31 cm; 30 g |
| Item model number | 16401-31650, 1640131650 |
| Exterior | Silver |
| Manufacturer Part Number | 121040 |
| OEM Part Number | 16401-31650, 1640131650 |
| Item Weight | 30 g |

## Product Details

- **Brand:** HOSAIRY
- **Color:** Natural
- **Material:** Metal
- **Exterior Finish:** Silver
- **Vehicle Service Type:** Car

## Images

![Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h - Image 1](https://m.media-amazon.com/images/I/61wymvafrcL._AC_UL320_.jpg)
![Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h - Image 2](https://m.media-amazon.com/images/I/61wymvafrcL._AC_UL480_FMwebp_QL65_.jpg)
![Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h - Image 3](https://m.media-amazon.com/images/I/61wymvafrcL._AC_UL640_FMwebp_QL65_.jpg)
![Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h - Image 4](https://m.media-amazon.com/images/I/61wymvafrcL._AC_UL800_FMwebp_QL65_.jpg)
![Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h - Image 5](https://m.media-amazon.com/images/I/61wymvafrcL._AC_UL960_FMwebp_QL65_.jpg)

## Frequently Bought Together

- HOSAIRY Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*