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Details
| Specification | Value |
|---|---|
| Brand | CALORSTAT by Vernet |
| MPN | thk627350.87j |
| Opening Temperature [°C] | 87 °C |
OE/OEM numbers (11)
Search by this OE number to find compatible parts
- AUDI / VW—03G121111A
- AUDI / VW—03G121113A
- AUDI / SEAT / SKODA / VW—044121113
- AUDI / VW—048121121B
- FORD—1002788
- FORD—1031881
- FORD—1096699
- FORD—95VW8575AA
- FORD—95VW8575AB
- FORD—95VW8575AC
- FORD—95VW8575CA
Where this part fits
Original-fit position for OE 1031881. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 2 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | TH6273.87J | Thermostat, coolant
| 1 |
| 2 | WF0040 | Coolant Flange
| 1 |
About this product
When thermostat coolant performance matters, the CALORSTAT by Vernet THK627350.87J delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Opening Temperature [°C]: 87 °C, Housing Type: 0, Supplementary Article/Supplementary Info: 35, Housing material: Plastic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 03G121111A, 03G121113A, 044121113, 048121121B and 7 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CALORSTAT by Vernet is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.No equivalent parts found.
Thermostat Coolant CALORSTAT by Vernet THK627350.87J — compatible car models
| Manufacturer article number (MPN) | THK627350.87J |
|---|---|
| OE part numbers | 03G121111A, 03G121113A, 044121113, 048121121B, 1002788, 1031881, 1096699, 95VW8575AA, 95VW8575AB, 95VW8575AC, 95VW8575CA |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CALORSTAT by Vernet thk627350.87j . Housing material: 6. Housing Type: 0. Opening Temperature [°C]: 87 °C. Supplementary Article/Supplementary Info: 35
- 1x Thermostat Coolant
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Thermostat Coolant compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Thermostat Coolant fits. All fitment data is verified through TecDoc.
What specifications does this CALORSTAT by Vernet Thermostat Coolant have?
This CALORSTAT by Vernet Thermostat Coolant has the following specifications: Opening Temperature [°C]: 87 °C; Housing Type: 0; Supplementary Article/Supplementary Info: 35; Housing material: 6. Check the full specifications table above for complete details.
What OE part numbers does this Thermostat Coolant replace?
This Thermostat Coolant replaces OE part numbers: 03G121111A, 03G121113A, 044121113, 048121121B, 1002788, 1031881, 1096699, 95VW8575AA and 3 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Thermostat Coolant cost?
This CALORSTAT by Vernet Thermostat Coolant is available for £20.99. Thermostat Coolant prices vary depending on brand, specifications, and vehicle compatibility. CALORSTAT by Vernet parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Thermostat Coolant?
Symptoms include engine overheating, heater not producing warm air, temperature gauge fluctuations, or coolant leaks near the thermostat housing.
What tools do I need to replace a Thermostat Coolant?
Tools needed: hose clamp pliers, 8-10mm socket, torque wrench, drain pan, new coolant. Difficulty: Moderate DIY. Safety warning: Never open the cooling system on a warm or hot engine -- coolant is under pressure and causes scalding. Always use the correct coolant specification to avoid corrosion with aluminium engine components.
Can I use this part as a replacement for OE 03G121111A?
Yes, this CALORSTAT by Vernet Thermostat Coolant is a direct replacement for OE part number 03G121111A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
