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TOPRAN TOPRAN 638 758 Thermostat Housing 638758

TOPRAN 638 758 Thermostat Housing

Compatible with AUDI A1 (8X1, 8XK) , AUDI A1 Sportback (8XA, 8XF) , SEAT LEON ST (5F8) Show more info
This TOPRAN thermostat housing (part code 638 758) is designed to ensure optimal engine temperature regulation. It provides a reliable seal for your cooling system.
24.37 EUR
inc. VAT 21%
In stock 52
Delivery 1 day (14.05.2026)
PN 638 758
Make TOPRAN

The TOPRAN 638 758 thermostat housing is a critical component for maintaining your vehicle's engine temperature. Engineered for durability and precise fitment, this housing ensures that your thermostat operates effectively, preventing overheating or undercooling. Proper functioning of the thermostat housing is essential for engine efficiency and longevity. It houses the thermostat and connects to the cooling system hoses, facilitating the flow of coolant. A faulty housing can lead to coolant leaks and compromised temperature control, potentially causing significant engine damage. This TOPRAN part is manufactured to meet stringent quality standards, offering a dependable solution for your vehicle's cooling system needs. Replacing a worn or damaged thermostat housing with this component will help restore optimal engine performance and protect against potential issues.

  • Direct replacement for original equipment
  • Ensures proper coolant flow and temperature regulation
  • Durable construction for long-lasting performance
  • Helps prevent engine overheating
  • Designed for a precise fit
  • Part code: 638 758
  • Brand: TOPRAN
Housing material
GFK (Glass Fiber Reinforced Plastic)
Housing material
PA 66 GF 30
Housing type
Plastic housing
Gasket material
EPDM (Ethylene Propylene Diene Rubber)
Additional article/Additional info 2
without thermostat
Additional article/Additional information
with gaskets
  • AUDI
    • A1 (8X1, 8XK)
      • 1.4 TFSI (103kW/140PS)
      • 1.4 TFSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TFSI (70kW/95PS)
      • 1.0 TFSI (60kW/82PS)
    • A1 Sportback (8XA, 8XF)
      • 1.4 TFSI (103kW/140PS)
      • 1.4 TFSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TFSI (70kW/95PS)
      • 1.0 TFSI (60kW/82PS)
    • A3 Limousine (8VS, 8VM)
      • 1.4 TFSI (90kW/122PS)
      • 1.2 TFSI (77kW/105PS)
      • 1.4 TFSI (92kW/125PS)
      • 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 (77kW/105PS)
      • 1.2 TFSI (81kW/110PS)
      • 1.4 TFSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TFSI (85kW/115PS)
    • A3 Sportback (8VA, 8VF)
      • 1.4 TFSI (90kW/122PS)
      • 1.4 TFSI (103kW/140PS)
      • 1.2 TFSI (77kW/105PS)
      • 1.4 TFSI g-tron (81kW/110PS)
      • 1.2 TFSI (81kW/110PS)
      • 1.4 TFSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TFSI e-tron (150kW/204PS)
      • 1.0 TFSI (85kW/115PS)
      • 30 TFSI (85kW/116PS)
    • 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)
  • SEAT
    • LEON ST (5F8)
      • 1.4 TSI (103kW/140PS)
      • 1.2 TSI (77kW/105PS)
      • 1.2 TSI (63kW/86PS)
      • 1.4 TSI (90kW/122PS)
      • 1.4 TGI (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSi (63kW/86PS)
    • LEON (5F1)
      • 1.4 TSI (90kW/122PS)
      • 1.2 TSI (63kW/86PS)
      • 1.2 TSI (77kW/105PS)
      • 1.4 TSI (103kW/140PS)
      • 1.4 TGI (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TSI (85kW/115PS)
      • 1.0 TSi (63kW/86PS)
    • IBIZA IV (6J5, 6P1)
      • 1.4 TSI (103kW/140PS)
      • 1.2 TSI (66kW/90PS)
      • 1.0 TSI (81kW/110PS)
      • 1.0 TSI (70kW/95PS)
      • 1.2 TSI (81kW/110PS)
    • IBIZA IV ST (6J8, 6P8)
      • 1.4 TSI (103kW/140PS)
      • 1.2 TSI (66kW/90PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
    • TOLEDO IV (KG3)
      • 1.2 TSI (66kW/90PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
    • ALHAMBRA (710, 711)
      • 1.4 TSI (110kW/150PS)
    • 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 TSI (70kW/95PS)
      • 1.0 TSI (85kW/116PS)
      • 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)
  • VW
    • GOLF VII Variant (BA5, BV5)
      • 1.4 TSI (103kW/140PS)
      • 1.4 TGI CNG (81kW/110PS)
      • 1.2 TSI (63kW/86PS)
      • 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 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)
    • JETTA IV (162, 163, AV3, AV2)
      • 1.4 TSI Hybrid (125kW/170PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI 16V (77kW/105PS)
    • POLO V (6R1, 6C1)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.2 TSI 16V (66kW/90PS)
      • 1.6 (81kW/110PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
      • 1.6 (66kW/90PS)
    • 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)
    • SCIROCCO III (137, 138)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
    • 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)
    • TIGUAN (5N_)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
    • CADDY IV Lielas ietilpības automobilis (SAB, SAJ)
      • 1.2 TSI (62kW/84PS)
      • 1.4 TGI CNG (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.0 TSI (75kW/102PS)
      • 1.6 SRE (81kW/110PS)
      • 1.4 TSI (96kW/131PS)
      • 1.0 TSI (62kW/84PS)
    • CADDY IV Furgons/minivens (SAA, SAH)
      • 1.2 TSI (62kW/84PS)
      • 1.4 TGI CNG (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.0 TSI (75kW/102PS)
      • 1.6 SRE (81kW/110PS)
      • 1.4 TSI (96kW/131PS)
    • CC B7 (358)
      • 1.4 TSI (110kW/150PS)
    • SHARAN (7N1, 7N2)
      • 1.4 TSI (110kW/150PS)
    • TIGUAN (AD1, AX1)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI 4motion (110kW/150PS)
      • 1.4 eHybrid (180kW/245PS)
    • 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 TSI (70kW/95PS)
      • 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)
    • GOLF VIII (CD1, DA1)
      • 1.4 GTE Plug-in Hybrid (180kW/245PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI eHybrid (150kW/204PS)
    • TAIGO (CS1)
      • 1.0 TSI (85kW/116PS)
  • SKODA
    • OCTAVIA III (5E3, NL3, NR3)
      • 1.4 TSI (103kW/140PS)
      • 1.2 TSI (63kW/86PS)
      • 1.2 TSI (77kW/105PS)
      • 1.4 TSI G-TEC (81kW/110PS)
      • 1.6 (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TSI (85kW/115PS)
    • OCTAVIA III Combi (5E5, 5E6)
      • 1.2 TSI (63kW/86PS)
      • 1.2 TSI (77kW/105PS)
      • 1.4 TSI (103kW/140PS)
      • 1.4 TSI G-TEC (81kW/110PS)
      • 1.6 SRE (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (110kW/150PS)
      • 1.0 TSI (85kW/115PS)
    • YETI (5L)
      • 1.6 (81kW/110PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4x4 (110kW/150PS)
    • FABIA III (NJ3)
      • 1.2 TSI (66kW/90PS)
      • 1.2 TSI (81kW/110PS)
      • 1.6 (81kW/110PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
      • 1.4 TSI R5 (92kW/125PS)
    • SUPERB III (3V3)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4x4 (110kW/150PS)
      • 1.4 TSI iV (160kW/218PS)
    • SUPERB III Universālis (3V5)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI (110kW/150PS)
      • 1.4 TSI 4x4 (110kW/150PS)
      • 1.4 TSI iV (160kW/218PS)
    • RAPID (NH3, NK3, NK6)
      • 1.2 TSI (66kW/90PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
    • RAPID Spaceback (NH1)
      • 1.2 TSI (66kW/90PS)
      • 1.2 TSI (81kW/110PS)
      • 1.4 TSI (92kW/125PS)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
    • KODIAQ I (NS6, NS7, NV7)
      • 1.4 TSI (92kW/125PS)
      • 1.4 TSI 4x4 (110kW/150PS)
      • 1.4 TSI (110kW/150PS)
    • KAROQ (NU7, ND7)
      • 1.0 TSI (85kW/116PS)
      • 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)
    • 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 116C 04E 121 117E 04E 121 117G 04E 121 117Q
PORSCHE
04E 121 117G 04E 121 117E 04E 121 116C 04E 121 117Q
SEAT
04E 121 117G 04E 121 117E 04E 121 116C 04E 121 117Q
SKODA
04E 121 116C 04E 121 117E 04E 121 117G 04E 121 117Q
VW
04E 121 117E 04E 121 116C 04E 121 117G 04E 121 117Q
VAG
04E 121 117E 04E 121 116C 04E 121 117G 04E 121 117Q
CUPRA
04E 121 117E 04E 121 117G 04E 121 116C 04E 121 117Q
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