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Coolant Thermostat VALEO 820503
Thermostat Coolant VALEO 820503. Fits 10 car models (OPEL, VAUXHALL), 1993–2009. Replaces 4 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- VALEO
- Opening Temperature [°C]
- 92 °C
- Weight [kg]
- 0.31 kg
- Category
- Thermostat Coolant
- MPN
- 820503
- SKU
- 0021-820503
- GTIN / EAN
- 3276428205038
- What's included
- 1x Thermostat Coolant
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
Where this part fits
Original-fit position for OE 1338100. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
14 available · 51 numbers In stock from £15.99 to £49.99.
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All 51 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- ASAM AUTOMOTIVE 73305
- AUTOMEGA 160100610
- BEHR SERVICE TI 43 92D
- BEHR SERVICE TI4392D
- BORG & BECK BBT063
- BORG & BECK BBT176
- BORG & BECK FTK063
- BORG & BECK FTK176
- BorgWarner (Wahler) 4198.92D
- BorgWarner (Wahler) 419892D
- BSG BSG 65-125-015
- BSG BSG65125015
- CALORSTAT by Vernet TH6518.92J
- CALORSTAT by Vernet TH651892J
- CAUTEX 756863
- DAYCO DT1155H
- DENSO DTM92477
- EPS 1.880.347
- EPS 1880347
- ERA 350131
- FACET 78347
- FAE 5321392
- FEBI BILSTEIN 28479
- GATES TH24092G1
- HELLA 8MT 354 774-701
- HELLA 8MT354774701
- JDEUS TH0200020
- MAGNETI MARELLI 352047792000
- MAGNETI MARELLI 352317000990
- MAGNETI MARELLI 352317100990
- MAGNETI MARELLI 359001201910
- MAHLE TI 43 92D
- MAHLE TI4392D
- MAPCO 28719
- MAXGEAR 67-0038
- MAXGEAR 670038
- MEAT & DORIA 92265
- METZGER AUTOTEILE 4006030
- OPEN PARTS TRM1032.00
- OPEN PARTS TRM103200
- QUINTON HAZELL QTH527K
- QUINTON HAZELL QTH600K
- SASIC 3306048
- SIDAT 94.265
- SIDAT 94265
- SWAG 40 92 8479
- SWAG 40928479
- TOPRAN 206 226
- TOPRAN 206226
- TRISCAN 8620 16092
- TRISCAN 862016092
Compatible cars. OPEL, VAUXHALL, 10 models.
Matched from the manufacturer's data. Production years 1993–2009.
| Model | Engines | Years |
|---|---|---|
| OPEL5 models | ||
| OPEL ASTRA G Estate (T98) | 2.0 DI (F35), 2.0 DTI 16V (F35) | 1998–2005 |
| OPEL ASTRA G Estate Van (F70) | 2.0 DI (F70), 2.0 DTI (F70) | 1998–2005 |
| OPEL ASTRA G Hatchback (T98) | 2.0 DI (F08, F48), 2.0 DTI 16V (F08, F48) | 1998–2009 |
| OPEL ASTRA G Saloon (T98) | 2.0 DI (F69), 2.0 DTI 16V (F69) | 1998–2009 |
| OPEL ZAFIRA A MPV (T98) | 2.0 DI 16V (F75), 2.0 DTI 16V (F75) | 1999–2006 |
| VAUXHALL5 models | ||
| VAUXHALL ASTRA Mk IV (G) Estate (T98) | 2.0 DI, 2.0 DTI 16V | 1998–2005 |
VAUXHALL4 more models
| Model | Engines | Years |
|---|---|---|
| VAUXHALL ASTRA Mk IV (G) Hatchback (T98) | 2.0 DI (F48), 2.0 DTI 16V (F48) | 1998–2005 |
| VAUXHALL ASTRA Mk IV (G) Saloon (T98) | 2.0 DI, 2.0 DTI 16V | 1998–2005 |
| VAUXHALL ASTRAVAN Mk IV (G) Estate Van (T98) | 2.0 DI, 2.0 DTI | 1993–2006 |
| VAUXHALL ZAFIRA A (T98) | 2.0 DI 16V, 2.0 DTI 16V | 1998–2005 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
VALEO
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
Related Guides
Delivery and returns. No small print.
£5.99
Standard delivery
Delivery estimates depend on current stock availability.
£50.00
Free delivery
Orders from £50.00
14 days
Returns
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10
