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VALEO VALEO Thermostat 820171 820171

VALEO Thermostat 820171

Compatible with AUDI CABRIOLET B3 (8G7) , VW GOLF I (17) , VW GOLF PLUS V (5M1, 521) Show more info
VALEO thermostat for engine cooling system. Ensures optimal operating temperature.
13.49 EUR
inc. VAT 21%
In stock 51
Delivery 1 day (14.05.2026)
PN 820171
Make VALEO
EAN 3276428201719

This VALEO thermostat (part code 820171) is a critical component for your vehicle's engine cooling system. It is designed to regulate the flow of coolant, ensuring that the engine reaches and maintains its optimal operating temperature. Proper functioning of the thermostat is essential for fuel efficiency, emissions control, and preventing engine overheating. A faulty thermostat can lead to either the engine running too cold or too hot, both of which can cause significant damage over time. VALEO is a trusted brand in automotive parts, known for producing reliable and durable components. This thermostat is manufactured to meet high standards, providing a dependable solution for your cooling system needs.

  • Direct replacement for original equipment
  • Ensures precise engine temperature regulation
  • Helps maintain optimal fuel efficiency
  • Contributes to reduced emissions
  • Durable construction for long service life
  • Designed for specific vehicle applications
  • Part of VALEO's comprehensive engine cooling range
Opening temperature
87
Housing type
without housing
Pipe diameter [mm]
54
Additional article/Additional information
with gaskets
Mass [kg]
0,08
  • AUDI
    • CABRIOLET B3 (8G7)
      • 2.0 E (85kW/115PS)
      • 1.8 (92kW/125PS)
    • A4 B5 (8D2)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
    • A4 B5 Avant (8D5)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
    • A6 C4 (4A2)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
    • A6 C4 Avant (4A5)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
    • A3 (8L1)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • S3 quattro (154kW/210PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 T (132kW/180PS)
      • S3 quattro (165kW/224PS)
    • A6 C5 (4B2, 4B4)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 (92kW/125PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
    • A6 C5 Avant (4B5, 4B6)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
    • TT (8N3)
      • 1.8 T (132kW/180PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T quattro (165kW/224PS)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (180kW/245PS)
      • 1.8 T (120kW/163PS)
      • 1.8 T quattro (140kW/190PS)
      • 1.8 T (140kW/190PS)
    • TT Roadster (8N9)
      • 1.8 T (132kW/180PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T quattro (165kW/224PS)
      • 1.8 T (110kW/150PS)
      • 1.8 T (140kW/190PS)
      • 1.8 T quattro (140kW/190PS)
      • 1.8 T (120kW/163PS)
    • A4 B6 (8E2)
      • 2.0 (96kW/130PS)
    • A3 (8P1)
      • 1.6 (75kW/102PS)
    • A3 Sportback (8PA)
      • 1.6 (75kW/102PS)
    • A3 Kabriolets (8P7)
      • 1.6 (75kW/102PS)
  • VW
    • GOLF I (17)
      • 1.5 (51kW/70PS)
    • GOLF PLUS V (5M1, 521)
      • 1.6 BiFuel (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 1.6 MultiFuel (75kW/102PS)
    • GOLF VI (5K1)
      • 1.6 MultiFuel (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 1.6 BiFuel (75kW/102PS)
    • SHARAN (7M8, 7M9, 7M6)
      • 2.0 (85kW/115PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.0 LPG (85kW/115PS)
    • POLO III CLASSIC (6V2)
      • 100 1.6 (74kW/100PS)
    • PASSAT B5 (3B2)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 2.0 4motion (88kW/120PS)
      • 1.8 (85kW/115PS)
    • GOLF VI Variant (AJ5)
      • 1.6 MultiFuel (75kW/102PS)
      • 1.6 (75kW/102PS)
    • PASSAT B5 Variant (3B5)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 1.9 TDI (74kW/101PS)
      • 1.8 (85kW/115PS)
    • GOLF IV (1J1)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.8 4motion (92kW/125PS)
      • 2.0 (85kW/115PS)
      • 2.0 4motion (85kW/115PS)
      • 1.8 T GTI (132kW/180PS)
      • 2.0 BiFuel (85kW/116PS)
    • NEW BEETLE (9C1, 1C1)
      • 2.0 (85kW/115PS)
      • 1.6 (74kW/100PS)
      • 1.8 T (110kW/150PS)
      • 1.6 (75kW/102PS)
      • 1.8 T (132kW/180PS)
    • POLO Variant (6V5)
      • 1.6 (74kW/101PS)
    • JETTA IV (162, 163, AV3, AV2)
      • 2.0 (85kW/115PS)
    • BORA I (1J2)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/115PS)
      • 1.8 (92kW/125PS)
      • 1.8 4motion (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.0 4motion (85kW/115PS)
      • 1.8 T (132kW/180PS)
    • CADDY III Lielas ietilpības automobilis (2KB, 2KJ, 2CB, 2CJ)
      • 1.6 BiFuel (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 2.0 EcoFuel (80kW/109PS)
    • CADDY III Furgons/minivens (2KA, 2KH, 2CA, 2CH)
      • 1.6 BiFuel (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 2.0 EcoFuel (80kW/109PS)
    • GOLF IV Variant (1J5)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/115PS)
      • 1.8 4motion (92kW/125PS)
      • 2.0 4motion (85kW/115PS)
      • 2.0 Bi-Fuel (85kW/116PS)
      • 1.8 T (110kW/150PS)
    • BORA Variant (1J6)
      • 2.0 (85kW/115PS)
      • 1.6 (74kW/100PS)
      • 1.8 4motion (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.0 4motion (85kW/115PS)
      • 1.8 T (132kW/180PS)
    • PASSAT B5.5 (3B3)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.0 (85kW/115PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 (96kW/130PS)
      • 1.8 T (125kW/170PS)
      • 2.5 TDI 4motion (132kW/180PS)
      • 1.8 T 4motion (125kW/170PS)
    • PASSAT B5.5 Variant (3B6)
      • 1.6 (75kW/102PS)
      • 2.0 (85kW/115PS)
      • 2.3 VR5 (125kW/170PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 VR5 4motion (125kW/170PS)
      • 4.0 W8 4motion (202kW/275PS)
      • 2.0 (96kW/130PS)
      • 2.5 TDI 4motion (132kW/180PS)
      • 1.8 T (125kW/170PS)
      • 2.8 (142kW/193PS)
    • NEW BEETLE Kabriolets (1Y7)
      • 1.6 (75kW/102PS)
      • 2.0 (85kW/115PS)
      • 1.8 T (110kW/150PS)
    • MULTIVAN T5 (7HM, 7HN, 7HF, 7EF, 7EM, 7EN)
      • 2.0 (85kW/115PS)
    • TRANSPORTER T5 Platforma/Šasija (7JD, 7JE, 7JL, 7JY, 7JZ, 7F
      • 2.0 (85kW/115PS)
    • TRANSPORTER T5 Furgons (7HA, 7HH, 7EA, 7EH)
      • 2.0 (85kW/115PS)
      • 2.0 BiFuel (85kW/115PS)
    • TRANSPORTER T5 Autobuss (7HB, 7HJ, 7EB, 7EJ)
      • 2.0 (85kW/115PS)
    • TOURAN (1T1, 1T2)
      • 1.6 (75kW/102PS)
      • 2.0 EcoFuel (80kW/109PS)
    • GOLF V (1K1)
      • 1.6 (75kW/102PS)
      • 2.0 (85kW/116PS)
      • 1.6 MultiFuel (75kW/102PS)
    • JETTA III (1K2)
      • 1.6 (75kW/102PS)
    • PASSAT B6 Variant (3C5)
      • 1.6 (75kW/102PS)
    • PASSAT B6 (3C2)
      • 1.6 (75kW/102PS)
    • POLO IV (9N_, 9A_)
      • 1.8 GTI (110kW/150PS)
      • 1.8 GTi Cup Edition (132kW/180PS)
    • GOLF V Variant (1K5)
      • 1.6 (75kW/102PS)
    • TOURAN VAN (1T1, 1T2)
      • 2.0 EcoFuel (80kW/109PS)
  • SKODA
    • OCTAVIA II Combi (1Z5)
      • 1.6 LPG (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 1.6 MultiFuel (75kW/102PS)
    • OCTAVIA II (1Z3)
      • 1.6 LPG (75kW/102PS)
      • 1.6 (75kW/102PS)
      • 1.6 MultiFuel (75kW/102PS)
    • OCTAVIA I (1U2)
      • 1.8 (92kW/125PS)
      • 1.6 (74kW/101PS)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/116PS)
      • RS 1.8 T (132kW/180PS)
      • 1.6 (75kW/102PS)
      • 1.8 T 4x4 (110kW/150PS)
    • OCTAVIA I Combi (1U5)
      • 1.6 (74kW/101PS)
      • 1.8 20V (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/116PS)
      • 1.6 (75kW/102PS)
      • 1.8 T 4x4 (110kW/150PS)
      • 2.0 4x4 (85kW/116PS)
      • RS 1.8 T (132kW/180PS)
    • FABIA I Combi (6Y5)
      • 2.0 (85kW/116PS)
    • FABIA I (6Y2)
      • 2.0 (85kW/116PS)
    • FABIA I Sedans (6Y3)
      • 2.0 (85kW/116PS)
    • SUPERB I (3U4)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/115PS)
    • ROOMSTER (5J7)
      • 1.9 TDI (77kW/105PS)
  • SEAT
    • ALHAMBRA (7V8, 7V9)
      • 2.0 i (85kW/115PS)
      • 1.8 T 20V (110kW/150PS)
    • CORDOBA (6K1, 6K2)
      • 1.6 i (74kW/101PS)
      • 1.8 T 20V Cupra (115kW/156PS)
    • IBIZA II (6K1)
      • 1.6 i (74kW/101PS)
      • 1.8 T 20V Cupra (115kW/156PS)
    • CORDOBA Vario (6K5)
      • 1.6 i (74kW/101PS)
    • TOLEDO II (1M2)
      • 1.6 (74kW/100PS)
      • 1.8 20V (92kW/125PS)
      • 1.8 20VT (132kW/180PS)
    • LEON (1M1)
      • 1.6 (74kW/100PS)
      • 1.8 20V (92kW/125PS)
      • 1.8 20V T (132kW/180PS)
      • 1.8 20V T 4 (132kW/180PS)
      • 1.8 T Cupra R (154kW/209PS)
      • 1.8 T Cupra R (165kW/225PS)
      • 1.6 (75kW/102PS)
    • IBIZA III (6L1)
      • 1.8 T Cupra R (132kW/180PS)
      • 1.8 T FR (110kW/150PS)
      • 2.0 (85kW/116PS)
    • ALTEA (5P1)
      • 1.6 (75kW/102PS)
      • 1.6 LPG (75kW/102PS)
    • TOLEDO III (5P2)
      • 1.6 (75kW/102PS)
    • LEON (1P1)
      • 1.6 (75kW/102PS)
      • 1.6 LPG (75kW/102PS)
    • CORDOBA (6L2)
      • 2.0 (85kW/115PS)
    • ALTEA XL (5P5, 5P8)
      • 1.6 (75kW/102PS)
      • 1.6 LPG (75kW/102PS)
  • OPEL
    • ASTRA G Sedans (T98)
      • 1.7 CDTI (F69) (59kW/80PS)
  • MITSUBISHI
    • GRANDIS (NA_W)
      • 2.0 DI-D (NA8W) (100kW/136PS)
      • 2.0 DI-D (NA8W) (103kW/140PS)
    • OUTLANDER II (CW_W)
      • 2.0 DI-D (CW8W) (103kW/140PS)
    • LANCER VIII (CY_A, CZ_A)
      • 2.0 DI-D (CY8A) (103kW/140PS)
    • LANCER VIII Sportback (CX_A)
      • 2.0 DI-D (CX8A) (103kW/140PS)
AUDI
050121113C 06B121113A 50121113C 6B121113A
MITSUBISHI
MN980137
SEAT
050121113C 06B121113A 50121113C 6B121113A
SKODA
050121113C 06B121113A 50121113C 6B121113A
VW
050121113C 06B121113A 50121113C 6B121113A
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