---
product_id: 659426162
title: "THERMOS4003.999.003 Original Replacement Screw Cap for Vacuum Flask 4003 Stainless King 1.20 L"
brand: "thermos"
price: "€ 13.26"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/659426162-thermos4003-999-003-original-replacement-screw-cap-for-vacuum-flask
store_origin: NL
region: Netherlands
---

# 100% leakproof seal Original screw cap fit Eco-friendly repair part THERMOS4003.999.003 Original Replacement Screw Cap for Vacuum Flask 4003 Stainless King 1.20 L

**Brand:** thermos
**Price:** € 13.26
**Availability:** ✅ In Stock

## Summary

> 🔧 Keep your Thermos timeless — never compromise on quality or sustainability!

## Quick Answers

- **What is this?** THERMOS4003.999.003 Original Replacement Screw Cap for Vacuum Flask 4003 Stainless King 1.20 L by thermos
- **How much does it cost?** € 13.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/659426162-thermos4003-999-003-original-replacement-screw-cap-for-vacuum-flask)

## Best For

- thermos enthusiasts

## Why This Product

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

## Key Features

- • **Leakproof Confidence:** Advanced silicone and plastic materials ensure zero spills, keeping your bag and desk dry.
- • **Seamless Original Fit:** Engineered exclusively for Thermos Stainless King 1.2L to guarantee perfect compatibility.
- • **Durability You Can Trust:** Crafted from robust, long-lasting materials designed to withstand daily use without fail.
- • **Sustainability in Action:** Choose repair over replace and join the movement to reduce waste and protect the planet.
- • **Effortless DIY Replacement:** No engineering degree needed—swap your worn cap in minutes and keep your Thermos going strong.

## Overview

This original Thermos replacement screw cap is designed specifically for the Stainless King 1.2L vacuum flask, offering a leakproof, durable, and eco-conscious solution to extend the life of your trusted Thermos. Lightweight and easy to install, it ensures your flask stays reliable and spill-free while supporting sustainable repair practices.

## Description

THERMOS4003.999.003 Original Replacement Screw Cap for Vacuum Flask 4003 Stainless King 1.20 L

## Features

- Made to last: robust materials make our Thermos products long-lasting, reliable companions. If you love their products, you can replace wearing parts without any problems.
- Proven quality: you don't want to give up your Thermos product? Then don't settle for anything less than the original. Original spare parts promise reliable THERMOS quality.
- It is hardly easier: for minor repairs or replacement parts, it does not always need an engineering study – even the man or the woman is! More information is available on the THERMOS website.
- SUSTAINABLE CONTRIBUTION: If you choose to repair instead of throwing away, make a clear statement for our environment.
- Replacement part suitable for: Thermos thermos flask 4003 Stainless King 1.2 L

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | THERMOS |
| Model Number | 4003999003 |
| Product Dimensions | 10 x 10 x 7.5 cm; 20 g |
| Capacity | 1200 Milliliters |
| Material | Kunststoff, Silikon |
| Special Features | Leakproof |
| Item Weight | 20 g |

## Product Details

- **Brand:** THERMOS
- **Capacity:** 1200 Milliliters
- **Recommended uses for product:** Coffee, Tea
- **Special features:** Leakproof
- **Age range (description):** Adult

## Images

![THERMOS4003.999.003 Original Replacement Screw Cap for Vacuum Flask 4003 Stainless King 1.20 L - Image 1](https://m.media-amazon.com/images/I/71N4kh40yaL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nl/products/659426162-thermos4003-999-003-original-replacement-screw-cap-for-vacuum-flask](https://www.desertcart.nl/products/659426162-thermos4003-999-003-original-replacement-screw-cap-for-vacuum-flask)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*