---
product_id: 439408196
title: "Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h"
brand: "hosairy"
price: "VT15366"
currency: VUV
in_stock: true
reviews_count: 5
category: "Hosairy"
url: https://www.desertcart.vu/products/439408196-radiator-cap-replace-16401-31650-1640131650-for-toyota-4runner-fj
store_origin: VU
region: Vanuatu
---

# Durable premium metal build Fits 15+ Toyota & Lexus models Maintains optimal radiator pressure Radiator Cap Replace 16401-31650 1640131650 for Toyota 4Runner FJ Cruiser Tacoma for Lexus GX470 IS250 IS350 GS350 GS450h

**Brand:** hosairy
**Price:** VT15366
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your engine cool and your ride unstoppable! 🚗

## 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?** VT15366 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/439408196-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

- • **Engine Guardian:** Prevents coolant loss & overheating by maintaining exact radiator pressure
- • **Easy Installation:** Screw-in design lets you replace your radiator cap hassle-free—no mechanic needed
- • **Premium Build Quality:** Crafted from high-grade metal for long-lasting durability and reliable performance
- • **Precision Compatibility:** Seamlessly fits Toyota 4Runner, Tacoma, FJ Cruiser & Lexus GX, IS, GS series (2003-2012)
- • **Trusted Aftermarket Excellence:** HOSAIRY engineered to meet or exceed OE standards with 4.6-star user approval

## Overview

The HOSAIRY Radiator Cap 16401-31650 is a high-quality aftermarket replacement designed for select Toyota and Lexus models from 2003 to 2012. Made from durable metal with a screw-in closure, it ensures optimal radiator pressure to prevent coolant loss and engine overheating. Easy to install and engineered to meet or exceed original equipment standards, this cap is a trusted upgrade for maintaining your vehicle’s cooling system performance.

## Description

Remark: 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. Replace OE#: Replace for 16401-31650, 1640131650 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 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 Package Includes: 1 x Radiator Cap Notes: * This is NOT a OEM Part, it's a Aftermarket replacement part manufactured by HOSAIRY. * Please have a confirm with your vehicle information in the above compatibility section and description. To make sure you have purchase the right item for your vehicle.

Review: Fits and works as intended
Review: 2009 Toyota Tacoma best one I’ve found

## 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 |
|---------------|-------|
| ASIN | B09QJZKYV6 |
| Brand | HOSAIRY |
| Brand Name | HOSAIRY |
| Closure Type | Screw-In |
| Colour | Silver |
| Compatible with Vehicle Type | Car |
| Country of Origin | USA |
| Customer Reviews | 4.6 out of 5 stars 57 Reviews |
| Exterior Finish | Silver |
| Item Type Name | Radiator Cap |
| Item Weight | 0.03 Kilograms |
| Manufacturer | HOSAIRY |
| Manufacturer Part Number | 121040 |
| Material | Metal |
| Material Type | Metal |
| Model | 16401-31650, 1640131650 |
| Style | Modern |
| Style Name | Modern |
| Vehicle Service Type | Car |
| What Is In the Box | 1 PC Radiator Cap |

## Product Details

- **Brand:** HOSAIRY
- **Colour:** Silver
- **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.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/71LxBMazBEL.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/61m514E+NcL.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/61xVhnn8WWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits and works as intended
*by S***A on 18 July 2024*



### ⭐⭐⭐⭐⭐ 2009 Toyota Tacoma best one I’ve found
*by E***N on 17 November 2025*



### ⭐⭐⭐⭐⭐ Cae como la original
*by B***Z on 1 June 2025*

Cae como la original.

## Frequently Bought Together

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-08*