---
product_id: 541495572
title: "Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321"
brand: "biaren"
price: "€ 29.60"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/541495572-radiator-expansion-water-coolant-tank-cap-cover-lid-for-vw
store_origin: FI
region: Finland
---

# OEM precision fit Wide vehicle compatibility Durable plastic build Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321

**Brand:** biaren
**Price:** € 29.60
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your ride’s cooling game with precision-fit power!

## Quick Answers

- **What is this?** Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321 by biaren
- **How much does it cost?** € 29.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/541495572-radiator-expansion-water-coolant-tank-cap-cover-lid-for-vw)

## Best For

- biaren enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Durable:** Crafted from high-quality plastic weighing just 60g, ensuring longevity without adding bulk.
- • **Precision OEM Fitment:** Engineered to match exact OEM numbers 3B0121321 & 95810644700 for flawless installation.
- • **Trusted Brand Reliability:** BIAREN’s commitment to quality guarantees a hassle-free fit and performance, keeping your ride running cool and smooth.
- • **Easy Upgrade for Peace of Mind:** Replace your worn or faulty radiator cap with confidence to maintain optimal engine cooling and avoid costly overheating.
- • **Unmatched Vehicle Compatibility:** Supports over 30 VW, Audi, Skoda, Seat, and Porsche models spanning 1993-2019—your all-in-one coolant cap solution.

## Overview

The BIAREN Radiator Expansion Water Coolant Tank Cap is a lightweight, durable replacement cap compatible with a broad range of VW, Audi, Skoda, Seat, and Porsche models from 1993 to 2019. Designed to OEM specifications (3B0121321, 95810644700), it ensures a perfect fit and reliable engine cooling performance, making it an essential upgrade for maintaining your vehicle’s optimal temperature and preventing overheating.

## Description

Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321

## Features

- ✔ Fitmentes: Compatible With Audi A1 (2010-2018), A3 (2003-2018), A4 (2002-2016), A5 (2007-2017), A6 (2010-2018), A7 (2010-2018), TT (1998-2014), Q3 (2011-), Q5 (2008-2017)
- ✔ Fitmentes: Compatible With Seat Córdoba (1993-2009), Ibiza (2002-2018), Toledo (1998-2019), Leon (1999-2018), Altea (2004-), Altea XL (2006-), Exeo (2008-)
- ✔ Fitmentes: Compatible With Skoda Octavia (1996-2014), Fabia (1999-2020), Superb (2001-2015), Roomster (2006-2015), Yeti (2009-2017), Rapid (2011-)
- ✔ Fitmentes: Compatible With VW Golf (1997-2017), LT (1996-2006), New Beetle (1998-2010), Bora (1998-2005), Passat (2000-2015), Polo (2001-2017), Touran (2003-2010), Multivan (2003-), Transporter (2003-), Caddy (2004-)Golf Plus / Crossgolf (2005-2013), Fox (2003-2015), Jetta (2005-2010), Eos (2006-2015), Crafter (2006-), Passat CC (2008-2012), Spacefox / Space Cross (2006-), Scirocco (2008-2017), Touareg (2010-2018), Amarok (2010-), Gol G5 (2008-), Voyage (2008-), Beetle (2011-2019)
- ✔ Fitmentes: Compatible With Porsche Cayenne (2010-), Macan (2014-), Panamera (2016-)
- ✔ OEM Numbers: 3B0121321, 95810644700
- ✔ Quantity: 1pc
- ✔ Material: Plastic
- ✔ Please Check Item Photo And Oem Number Of Your Old Part Before Purchasing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BIAREN |
| Brand | BIAREN |
| Model | VW Audi Skoda Seat |
| Package Dimensions | 16.2 x 12.6 x 3.3 cm; 60 g |
| Item model number | 3B0121321, 95810644700 |
| Exterior | Natural |
| Manufacturer part number | 3B0121321, 95810644700 |
| OEM Part Number | 3B0121321, 95810644700 |
| Position | Front |
| Item Weight | 60 g |

## Product Details

- **Brand:** BIAREN
- **Colour:** natural
- **Material:** Plastic
- **Exterior finish:** Natural
- **Vehicle service type:** Car

## Images

![Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321 - Image 1](https://m.media-amazon.com/images/I/61Li3QjrIFL.jpg)

## Frequently Bought Together

- BIAREN Radiator Expansion Water Coolant Tank Cap Cover Lid For VW Transporter Caddy Golf Polo Passat Audi A3 A4 A5 A6 TT Skoda Octavia Suberp Seat Ibiza Leon Toledo Porsche Cayenne Panamera 3B0121321
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**Shop now:** [https://www.desertcart.fi/products/541495572-radiator-expansion-water-coolant-tank-cap-cover-lid-for-vw](https://www.desertcart.fi/products/541495572-radiator-expansion-water-coolant-tank-cap-cover-lid-for-vw)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-03*