# HouYeen 03C121111B Thermostat Housing

The HouYeen 03C121111B thermostat housing is listed as a replacement for selected Audi, SEAT, Škoda and Volkswagen models. The fitment list spans specific engines and production dates, so match your vehicle details and part number before ordering.

- [Original product page](https://bargainpostbox.co.uk/product/houyeen-03c121111b-thermostat-housing)
- [View offer](https://bargainpostbox.co.uk/visit/houyeen-03c121111b-thermostat-housing)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: HouYeen
- Model: 03C121111B
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Mechanical Parts
- Price: 22.39 GBP
- Previous price: 27.99 GBP
- Discount: 20%
- Price checked: 2026-11-14T09:47:51.264Z

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Part number 03C121111B.
- Fitment claims cover selected models from Audi, SEAT, Škoda and Volkswagen, with engine and date ranges specified.
- The listed box contents are one thermostat housing.

## Pros

- The fitment information provides model, engine and production-date details to help compare against a vehicle.

## Specifications

### Identity
- Brand: HouYeen
- Model: 03C121111B
### Dimensions and installation
- Weight listed: 527 g
### Listed vehicle fitment
- Audi: A3 8P 1.6 FSI 08.2003-09.2007.
- SEAT: Cordoba 6L 1.2 10.2002-11.2009, Ibiza mk3 1.2 1.4 02.2002-11.2009, Ibiza mk4 1.2 1.4 03.2008-05.2015, Toledo mk4 1.2 07.2012-06.2015.
- Škoda: Fabia mk1 1.2 1.4 07.2001-03.2008, Fabia mk2 1.2 12.2006-12.2014, Oc-tavia mk2 1.6 FSI 02.2004-10.2008, Rapid NK NH 1.2 07.2012-06.2015, Roomster 5J 1.2 05.2006-05.2015.
- Volkswagen: Eos 1F 1.6 FSI 06.2006-05.2008, Fox 5Z 1.2 04.2005-12.2011, Golf Plus mk5 1.4 1.6 FSI 12.2004-05.2008, Golf mk5 1.4 1.6 FSI 10.2003-07.2008, Je-tta mk3 1.6 FSI 09.2005-10.2010, Pa-ssat B6 3C 1.6 FSI 03.2005-06.2008, Polo mk4 1.2 1.4 FSI 10.2001-11.2009, Polo mk5 1.2 06.2009-05.2014, Tou-ran 1T 1.6 FSI 02.2003-05.2010.

## Before you buy

- The listing describes the item as a thermostat housing and supplies a broad fitment list, but does not confirm fitment for every variant. Verify the exact engine, model year and part number against your vehicle before purchase.

## A good fit for

- Owners or repairers of a vehicle matching the listed model, engine and date range who need a thermostat housing.

## Less suited to

- Buyers whose vehicle fitment cannot be matched to the listed engines and production dates.

## Frequently asked questions

### Which vehicles is the HouYeen 03C121111B listed for?
The listing names selected Audi A3, SEAT, Škoda and Volkswagen models, with engine and production-date ranges. Confirm your vehicle's exact variant before ordering.
### What is included?
The listing states that the box contains one thermostat housing.
### Does this fit every model named in the listing?
Not necessarily. The fitment details specify particular engines and date ranges, so compare those with your vehicle and the 03C121111B part number.

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## Images

![HouYeen 03C121111B Thermostat Housing — 1](https://bargainpostbox.co.uk/i/FVl0RbCRNWkT3b06qnJwGYvJBMvBLvWAiJPIgeoocJ5t5sZ7TDsKG-Ni2_6fnfx-KmbLuWj3rqAlVRZS-0Sv0hE1ucO_31s8iv2_MMP9N6kuSmPjvVD55q0s.jpg)

![HouYeen 03C121111B Thermostat Housing — 2](https://bargainpostbox.co.uk/i/33TRHWKFTbRYX968P_GGBgfpSvDFDHUQD5iFBFC35fcgqxi_s8PDVTn17bKW0uDgLnuRglFjNHwrTFZI5s-9cFAPIzRvlpO7sRHf0gM7-15_c4PRmtVqc_jO.jpg)

![HouYeen 03C121111B Thermostat Housing — 3](https://bargainpostbox.co.uk/i/n4x1e1QsJqrT1T7bqW-79vGrCby9_Gs4vAx-VW6YdZSjDG_DDefEzZrA-sWfqz1x-MIQNbW5h4E8MYyBaXKA5nuufw44nkWWPMSqjg2JDK0urbxoRPVkZvSr.jpg)

![HouYeen 03C121111B Thermostat Housing — 4](https://bargainpostbox.co.uk/i/zsL6bf_4RFccFWi0hOAJ8F8N4Bnipq4zM2eQuP472zj1o7S8wjGdkNfYbPVNGmN692u0BryqGebI-nqF99zo_VScr9ycD_b7Q150yvi9mSjDSJrUVXNt4Jx_.jpg)

![HouYeen 03C121111B Thermostat Housing — 5](https://bargainpostbox.co.uk/i/siQAeMpXbEM2eZ-zvkXe_Pmku9y94X1R3jZ3UxFFMkyItGA566teatUV2EB1hk0rU3SgGf9skAR0KP7LE3OhwNz_j_N4Q4YDzUEF72VG-LR21ww_G69hjhiX.jpg)

![HouYeen 03C121111B Thermostat Housing — 6](https://bargainpostbox.co.uk/i/aoK6DA256AK4f8QeLXaiqvVgFK4KjLXWTLnsc6pPZEWSNejp-8ju6dWblCbx8Svnn4QEXEFMQVcsY_Kf67c7KrmCJV5XktHBlIHZPlxdfpqqMgz5Z81cMhUa.jpg)