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TOPRAN TOPRAN Thermostat for Coolant 638 755 638755

TOPRAN Thermostat for Coolant 638 755

Compatible with AUDI A1 (8X1, 8XK) , AUDI A1 Sportback (8XA, 8XF) , VW GOLF VII Variant (BA5, BV5) Show more info
Ensures optimal engine temperature by regulating coolant flow. Essential for maintaining engine performance and preventing overheating.
6.71 EUR
inc. VAT 21%
In stock 40
Delivery 1 day (29.06.2026)
PN 638 755
Make TOPRAN

This TOPRAN thermostat (part code 638 755) is designed to precisely control the engine's operating temperature. By managing the flow of coolant through the radiator, it helps the engine reach and maintain its ideal working temperature efficiently. A properly functioning thermostat is crucial for fuel economy and reducing emissions. It prevents the engine from running too cold, which can lead to increased wear and poor performance, and also stops it from overheating during demanding driving conditions. Crafted with quality materials, this thermostat offers reliable performance and durability. It is a direct fit for the specified applications, ensuring a straightforward installation process for mechanics and DIY enthusiasts alike.

  • Regulates engine coolant temperature
  • Ensures optimal engine performance
  • Prevents overheating and engine damage
  • Improves fuel efficiency
  • Reduces emissions
  • Durable construction for longevity
  • Direct fit for specified models
  • Part code: 638 755
Outer diameter [mm]
33,5
Additional article/Additional info 2
Thermostat built into the water pump
Opening temperature
97
  • AUDI
    • A1 (8X1, 8XK)
      • 1.4 TFSI (103kW/140PS)
    • A1 Sportback (8XA, 8XF)
      • 1.4 TFSI (103kW/140PS)
    • A3 Limousine (8VS, 8VM)
      • 1.4 TFSI (90kW/122PS)
      • 1.4 TFSI (103kW/140PS)
      • 1.2 TFSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TFSI (85kW/115PS)
      • 30 TFSI (85kW/115PS)
    • A3 (8V1, 8VK)
      • 1.4 TFSI (90kW/122PS)
      • 1.4 TFSI (103kW/140PS)
      • 1.2 TFSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TFSI (85kW/115PS)
    • A3 Sportback (8VA, 8VF)
      • 1.4 TFSI (90kW/122PS)
      • 1.4 TFSI (103kW/140PS)
      • 1.4 TFSI g-tron (81kW/110PS)
      • 1.2 TFSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TFSI e-tron (150kW/204PS)
      • 1.0 TFSI (85kW/115PS)
      • 30 TFSI (85kW/116PS)
      • 40 e-tron (150kW/204PS)
    • Q3 (8UB, 8UG)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TFSI (92kW/125PS)
    • A4 B9 (8W2, 8WC)
      • 1.4 TFSI (110kW/150PS)
    • A4 B9 Avant (8W5, 8WD)
      • 1.4 TFSI (110kW/150PS)
    • Q2 (GAB, GAG)
      • 1.4 TFSI (110kW/150PS)
      • 1.0 TFSI (85kW/115PS)
      • 30 TFSI (85kW/116PS)
    • A5 (F53, F5P)
      • 1.4 TFSI (110kW/150PS)
    • A5 Sportback (F5A, F5F)
      • 1.4 TFSI (110kW/150PS)
    • A1 Sportback (GBA)
      • 30 TFSI (85kW/116PS)
      • 25 TFSI (70kW/95PS)
    • A1 City Carver (GBH)
      • 25 TFSI (70kW/95PS)
      • 30 TFSI (85kW/116PS)
    • A3 Sportback (8YA, 8YF)
      • 40 TFSIe (150kW/204PS)
      • 45 TFSIe (180kW/245PS)
      • 35 TFSi (110kW/150PS)
    • Q3 (F3B)
      • 45 TFSI e (180kW/245PS)
    • Q3 Sportback (F3N)
      • 45 TFSI e (180kW/245PS)
    • A3 Limousine (8YS, 8YM)
      • 35 TFSi (110kW/150PS)
  • VW
    • GOLF VII Variant (BA5, BV5)
      • 1.4 TSI (103kW/140PS)
      • 1.4 TGI CNG (81kW/110PS)
      • 1.2 TSI (77kW/105PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI MultiFuel (92kW/125PS)
      • 1.6 (81kW/110PS)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSI (81kW/110PS)
      • 1.0 TSI (63kW/86PS)
    • GOLF VII (5G1, BQ1, BE1, BE2)
      • 1.4 TGI CNG (81kW/110PS)
      • 1.2 TSI (63kW/86PS)
      • 1.4 TSI (103kW/140PS)
      • 1.2 TSI (77kW/105PS)
      • 1.4 TSI (90kW/122PS)
      • 1.4 TSI MultiFuel (90kW/122PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 GTE Hybrid (150kW/204PS)
      • 1.4 TSI MultiFuel (92kW/125PS)
      • 1.6 (81kW/110PS)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSI (81kW/110PS)
      • 1.0 TSI (63kW/86PS)
    • GOLF SPORTSVAN VII (AM1, AN1)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.2 TSI (63kW/86PS)
      • 1.4 TSI MultiFuel (92kW/125PS)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSI (63kW/86PS)
      • 1.0 TSI (81kW/110PS)
    • PASSAT B8 (3G2, CB2)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4motion (110kW/150PS)
    • PASSAT B8 Variant (3G5, CB5)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4motion (110kW/150PS)
    • JETTA IV (162, 163, AV3, AV2)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI 16V (77kW/105PS)
    • BEETLE (5C1, 5C2)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI 16V (77kW/105PS)
    • BEETLE Kabriolets (5C7, 5C8)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI 16V (77kW/105PS)
    • TOURAN (5T1)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TSI (85kW/116PS)
    • CADDY IV Lielas ietilpības automobilis (SAB, SAJ)
      • 1.2 TSI (62kW/84PS)
      • 1.6 TDI (75kW/102PS)
      • 1.0 TSI (75kW/102PS)
      • 1.0 TSI (62kW/84PS)
    • CADDY IV Furgons/minivens (SAA, SAH)
      • 1.2 TSI (62kW/84PS)
      • 1.0 TSI (75kW/102PS)
    • SHARAN (7N1, 7N2)
      • 1.4 TSI (110kW/150PS)
    • UP! (121, 122, BL1, BL2, BL3, 123)
      • 1.0 TSI (66kW/90PS)
      • 1.0 GTI (85kW/115PS)
    • TIGUAN ALLSPACE (BW2, BJ2)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI E100 Flex (110kW/150PS)
    • POLO VI (AW1, BZ1, AE1)
      • 1.0 (55kW/75PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 (48kW/65PS)
      • 1.0 TSI (85kW/116PS)
      • 1.0 TGI (66kW/90PS)
    • T-ROC (A11, D11)
      • 1.0 TSI (85kW/116PS)
    • T-CROSS (C11, D31)
      • 1.0 TSi (70kW/95PS)
      • 1.0 TSi (85kW/116PS)
    • T-ROC Kabriolets (AC7, AC8)
      • 1.0 TSI (85kW/116PS)
    • TIGUAN (AD1, AX1)
      • 1.4 eHybrid (180kW/245PS)
    • GOLF VIII (CD1, DA1)
      • 1.4 GTE Plug-in Hybrid (180kW/245PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI eHybrid (150kW/204PS)
  • SEAT
    • LEON (5F1)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSi (63kW/86PS)
    • LEON ST (5F8)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSi (63kW/86PS)
    • ATECA (KH7, KHP)
      • 1.0 TSI (85kW/116PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI 4Drive (110kW/150PS)
    • IBIZA V (KJ1, KJG)
      • 1.0 (55kW/75PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (85kW/116PS)
      • 1.0 (48kW/65PS)
      • 1.0 TGI (66kW/90PS)
    • ARONA (KJ7, KJP)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (85kW/116PS)
      • 1.0 TGi (66kW/90PS)
    • LEON (KL1, KLG)
      • 1.4 TSI e-Hybrid (150kW/204PS)
    • LEON Sportstourer (KL8, KLD)
      • 1.4 TSI e-Hybrid (150kW/204PS)
    • TARRACO (KN2)
      • 1.4 e-HYBRID (180kW/245PS)
  • SKODA
    • KODIAQ I (NS6, NS7, NV7)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4x4 (110kW/150PS)
      • 1.4 TSI (110kW/150PS)
    • SCALA (NW1)
      • 1.0 TSI (85kW/116PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TGI CNG (66kW/90PS)
    • KAMIQ (NW4)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (85kW/116PS)
      • 1.0 TGI CNG (66kW/90PS)
    • KAROQ (NU7, ND7)
      • 1.4 TSI (110kW/150PS)
    • OCTAVIA IV (NX3, NN3, PV3)
      • 1.4 TSI RS iV (180kW/245PS)
      • 1.4 TSI iV (150kW/204PS)
      • 1.4 TSI (110kW/150PS)
    • OCTAVIA IV Combi (NX5, PV5)
      • 1.4 TSI RS iV (180kW/245PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI iV (150kW/204PS)
  • CUPRA
    • FORMENTOR (KM7, KMP)
      • 1.4 e-Hybrid (150kW/204PS)
      • 1.4 e-Hybrid VZ (180kW/245PS)
AUDI
04E 121 113N
PORSCHE
04E 121 113N
SEAT
04E 121 113N
SKODA
04E 121 113N
VW
04E 121 113N
VAG
04E 121 113N
CUPRA
04E 121 113N
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