1 / 7HouYeen 31338764 Coolant Expansion Tank with Cap and Sensor
The HouYeen 31338764 coolant expansion tank is listed as a vehicle-specific replacement for the Volvo V40 525. Its stated package includes a cap and sensor, so it may suit owners replacing the complete reservoir assembly rather than the tank alone.
At a glance
- Listing specifies a coolant expansion tank supplied with a cap and sensor.
- Vehicle application is stated as Volvo V40 525, with dates specified as 03.2012–08.2019.
- Manufacturer lists one tank assembly in the package.
Pros and cons
Pros
- The stated cap and sensor are included with the tank, avoiding a separately sourced cap or sensor if this listing matches the vehicle.
Technical specifications
6 specifications| Brand | HouYeen |
|---|---|
| Model | 31338764 |
| Part type | Replacement Parts |
| Fit type | Vehicle Specific |
| Service type | Car |
|---|
| Weight listed | 635 Grams |
|---|
What to know before buying
Listing details to confirm
The listing identifies the application as Volvo V40 525 and gives fitment dates of 2012–2019, while its description specifies 03.2012–08.2019. Confirm the exact vehicle, engine and part compatibility before ordering. The stated fitment is a listing claim, not independent verification.
What’s in the box
Included- Radiator coolant expansion tank with cap
- Sensor
Who is it for?
A good fit for
- Volvo V40 525 owners seeking a replacement coolant expansion tank with cap and sensor, provided the vehicle matches the stated fitment.
Less suited to
- Buyers who need a tank for a different vehicle or have not confirmed compatibility with their exact V40 configuration.

Customer reviews on Amazon
- 5 stars
100% 100% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
Only aggregate rating information is supplied, with a small number of ratings all in the five-star category. This is a limited indication and does not explain why customers rated the product positively or establish fitment or performance.
Frequently asked questions
Which vehicle does the listing specify?
It states Volvo V40 525, with a listed application spanning 2012–2019. Confirm the dates and compatibility for your exact vehicle before purchase.
Are the cap and sensor included?
Yes. The stated package contents list one radiator coolant expansion tank with cap and sensor.
Does this fit every Volvo V40?
The listing only specifies the V40 525 application. It does not establish compatibility with every V40 version, so verify your vehicle details and part number.

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