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Details
| Specification | Value |
|---|---|
| Brand | VALEO |
| Opening Temperature [°C] | 89 °C |
| Weight [kg] | 0,105 kg |
| Pipe Diameter [mm] | 54 mm |
OE numbers (6)
Search by this OE number to find compatible parts
- OPEL—1338005
- OPEL—1338724
- ISUZU—8-97135145-1
- ISUZU—8-98025557-0
- OPEL / VAUXHALL—97135145
- VAUXHALL—98025557
Where this part fits
Original-fit position for OE 1338724. The red ring marks where this part installs on the vehicle.
About this product
The VALEO Thermostat Coolant (821710) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Opening Temperature [°C]: 89 °C, Weight [kg]: 0, 105 kg, Pipe Diameter [mm]: 54 mm, Supplementary Article/Supplementary Info: 98. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit OPEL, VAUXHALL models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 1214603410, 1338005, 1338724, 160099610 and 58 more. Matching these numbers confirms a like-for-like replacement with no loss of function. VALEO 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About VALEO
Valeo, founded in 1923 in Saint-Ouen, France, is a major global automotive supplier with expertise spanning multiple vehicle systems. Valeo specialises in clutch kits, alternators, starters, wiper systems, lighting, and thermal management components. As an OE supplier to Peugeot, Renault, Citroën, Volkswagen, and many others, Valeo products maintain factory-quality standards. With 19 research centres worldwide and a strong focus on innovation, Valeo combines French engineering heritage with cutting-edge automotive technology for dependable replacement parts.
Suitable cars
Equivalent products (55)
Show all 55 OE numbers
Thermostat Coolant VALEO 821710 — compatible car models
| Car models | OPEL: ASTRA G Estate (T98), ASTRA G Estate Van (F70), ASTRA G Hatchback (T98), ASTRA G Saloon (T98), ASTRA H (A04), ASTRA H CLASSIC Estate (A04), ASTRA H CLASSIC Hatchback (A04), ASTRA H CLASSIC Saloon (A04), ASTRA H Estate (A04), ASTRA H Estate Van (L70) (+20 more) |
|---|---|
| Engines | 1.7 CDTI (F35); 1.7 CDTi (F70); 1.7 CDTI (F08, F48); 1.7 CDTI (F69); 1.7 CDTI (L48); 1.7 CDTi (L35); 1.7 CDTi (L69); 1.7 CDTI (L35); 1.7 CDTI (L70); 1.7 CDTi (L08); 1.7 CDTi (35); 1.7 CDTI (08); 1.7 CDTi (68); 1.7 CDTI (68); 1.7 CDTI (+12 more) |
| Year of manufacture | 1998-2019 |
| Manufacturer article number (MPN) | 821710 |
| OE part numbers | 1338005, 1338724, 8-97135145-1, 8-98025557-0, 97135145, 98025557 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
VALEO 821710 . Opening Temperature [°C]: 89 °C. Pipe Diameter [mm]: 54 mm. Supplementary Article/Supplementary Info: 98. Weight [kg]: 0,105 kg
- 1x Thermostat Coolant
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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?
This Thermostat Coolant fits OPEL, VAUXHALL vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this VALEO Thermostat Coolant have?
This VALEO Thermostat Coolant has the following specifications: Opening Temperature [°C]: 89 °C; Weight [kg]: 0,105 kg; Pipe Diameter [mm]: 54 mm; Supplementary Article/Supplementary Info: 98. 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: 1338005, 1338724, 8-97135145-1, 8-98025557-0, 97135145, 98025557. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Thermostat Coolant cost?
This VALEO Thermostat Coolant is available for £19.99. Thermostat Coolant prices vary depending on brand, specifications, and vehicle compatibility. VALEO 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 1338005?
Yes, this VALEO Thermostat Coolant is a direct replacement for OE part number 1338005. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the VALEO 821710 the same as the VALEO 819846?
No, while both are Thermostat Coolant parts, they are different products. The VALEO 821710 has Opening Temperature [°C]: 89 °C, Weight [kg]: 0,105 kg, Pipe Diameter [mm]: 54 mm. The VALEO 819846 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
