---
product_id: 486857716
title: "Radiator Coolant Overflow Reservoir(With cover).Fit for Audi A3 VW Jetta Golf Passat Beetle.Expansion Recovery Tank. Replaces Part # 1K0121407A."
brand: "youyien"
price: "₨16611"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/486857716-radiator-coolant-overflow-reservoir-with-cover-fit-for-audi-a3
store_origin: LK
region: Sri Lanka
---

# 2.01L transparent capacity Heat-resistant PP material Lightweight at 1.12 lbs Radiator Coolant Overflow Reservoir(With cover).Fit for Audi A3 VW Jetta Golf Passat Beetle.Expansion Recovery Tank. Replaces Part # 1K0121407A.

**Brand:** youyien
**Price:** ₨16611
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your engine cool and your drive cooler!

## Quick Answers

- **What is this?** Radiator Coolant Overflow Reservoir(With cover).Fit for Audi A3 VW Jetta Golf Passat Beetle.Expansion Recovery Tank. Replaces Part # 1K0121407A. by youyien
- **How much does it cost?** ₨16611 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/486857716-radiator-coolant-overflow-reservoir-with-cover-fit-for-audi-a3)

## Best For

- youyien enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Yet Durable:** At just over a pound, this reservoir reduces unnecessary weight without compromising strength or reliability.
- • **Engineered for Endurance:** Crafted from premium heat- and vibration-resistant polypropylene to ensure leak-free, long-lasting performance.
- • **Stay Cool, Stay Confident:** Transparent reservoir lets you monitor coolant levels at a glance, preventing overheating and costly engine damage.
- • **Complete Ready-to-Install Kit:** Includes a secure cover and meets OEM quality standards—professional installation recommended for optimal results.
- • **Precision Fit for Iconic Rides:** Specifically designed to seamlessly replace OEM part #1K0121407A for Audi A3, VW Jetta, Golf, Passat, and Beetle models.

## Overview

This Radiator Coolant Overflow Reservoir, made from high-quality heat-resistant polypropylene, offers a durable and lightweight replacement solution for Audi A3 and select VW models. With a 2.01-liter transparent tank and OEM-grade quality, it ensures precise coolant monitoring and reliable engine temperature management, helping you avoid overheating and maintain peak vehicle performance.

## Description

FITMENT: Fit for Audi A3 2006-2013 Fit for Audi A3 Quattro 2006-2013 Fit for Audi TT 2008-2009 Fit for Audi TT Quattro 2008-2011 Fit for VW CC 2009-2012 Fit for VW Eos 2007-2012 Fit for VW Golf 2010-2012 Fit for VW GTI 2006-2012 Fit for VW Jetta 2005-2012 Fit for VW Passat 2006-2010 Fit for VW Rabbit 2006-2009 Fit for VW Tiguan 2009-2012 Fit for Passat 2012 Fit for Beetle 2012.

## Features

- Product Quality:Made of high quality PP material, it can withstand engine heat and vibration, lightweight and durable, and you can directly see the liquid level inside.Tested to meet OEM quality standards.Excellent performance and long service life.Professional installation is recommended.
- Replacement:The coolant reservoir is a vital component of the cooling system.Engineered to stand up against the stresses of heat and vibration preventing leaks. Reduce the loss of coolant, Avoid the risk of high temperatures in the engine.
- Fitment:Fit for Audi A3 TT VW Jetta Golf Passat Beetle.Replaces Part # 1K0121407A.
- Package List:1 X Radiator Coolant Overflow Reservoir.1 X Cover.
- Note:Please verify your part pictures, part numbers before purchasing to prevent wrong purchases and unnecessary charges.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Capacity | 2.01 Liters |
| Fuel Type | Gasoline |
| Product Grade | Replacement Part |
| UPC | 768461330257 |
| Manufacturer | YOUYIEN AUTO PARTS |
| Item Weight | 1.12 pounds |
| Package Dimensions | 7.6 x 7.32 x 6.81 inches |
| Item model number | RCORERT1PYY3 |
| Manufacturer Part Number | RCORERT1PYY3 |

## Product Details

- **Brand:** YOUYIEN
- **Material:** Polypropylene (PP)
- **Fit Type:** Vehicle Specific
- **Vehicle Service Type:** Car
- **Item Weight:** 0.51 Kilograms

## Images

![Radiator Coolant Overflow Reservoir(With cover).Fit for Audi A3 VW Jetta Golf Passat Beetle.Expansion Recovery Tank. Replaces Part # 1K0121407A. - Image 1](https://m.media-amazon.com/images/I/51V2xpmN8VL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fast shipping
*by J***R on July 9, 2025*

Came super fast, was easy to install, and fits like a dream!

### ⭐⭐⭐⭐⭐ Recommend
*by T***. on June 11, 2025*

Exactly like the original

### ⭐⭐⭐⭐⭐ Worked great
*by J***N on March 29, 2025*

Was hoping this would fix my coolant leaking issue but my problem was deeper than this part. That said, it is a quality part and fit perfectly in place after the OEM part was removed.

## Frequently Bought Together

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-18*