TOPRAN Thermostat for Coolant

Compatible with NISSAN X-TRAIL II (T31) , RENAULT LAGUNA II (BG0/1_) , RENAULT LAGUNA II Grandtour (KG0/1_) Show more info
Ensures optimal engine operating temperature by regulating coolant flow. Essential for efficient engine performance and longevity.
18.50 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (15.05.2026)
PN 638 781
Make TOPRAN

This TOPRAN thermostat (part code 638 781) is designed to maintain your engine's ideal operating temperature. It precisely controls the flow of coolant through the engine and radiator, preventing overheating and ensuring efficient performance. Proper functioning of the thermostat is crucial for fuel economy and reducing emissions. A faulty thermostat can lead to either an engine that runs too cold or overheats, both of which can cause significant damage and reduce the lifespan of engine components. TOPRAN is a trusted brand known for producing reliable engine management parts. This thermostat is built to meet or exceed original equipment specifications, offering a dependable solution for your vehicle's cooling system needs.

  • Regulates engine coolant temperature
  • Prevents engine overheating and undercooling
  • Contributes to optimal fuel efficiency
  • Reduces harmful emissions
  • Durable construction for long service life
  • Designed for precise fitment and function
  • Part number: 638 781
  • Brand: TOPRAN
Additional article/Additional information
with gasket
Housing type
with housing
Opening temperature
89
Housing material
Plastic
  • NISSAN
    • X-TRAIL II (T31)
      • 2.0 dCi (110kW/150PS)
      • 2.0 dCi 4x4 (127kW/173PS)
      • 2.0 dCi 4x4 (110kW/150PS)
      • 2.0 dCi 4x4 (130kW/177PS)
    • QASHQAI I (J10, NJ10)
      • 2.0 dCi (110kW/150PS)
      • 2.0 dCi Visu riteņu piedziņa (110kW/150PS)
  • RENAULT
    • LAGUNA II (BG0/1_)
      • 2.0 dCi (BG1T) (110kW/150PS)
      • 2.0 dCi (BG14, BG1S) (127kW/173PS)
    • LAGUNA II Grandtour (KG0/1_)
      • 2.0 dCi (KG1T) (110kW/150PS)
      • 2.0 dCi (KG1S) (127kW/173PS)
    • ESPACE IV (JK0/1_)
      • 2.0 dCi (JK01, JK02, JK1J, JK1K, JK1H) (110kW/150PS)
      • 2.0 dCi (JK03, JK04, JK1C, JK1G, JK1J, JK1K) (127kW/173PS)
      • 2.0 dCi (JK02, JK03) (96kW/131PS)
    • MEGANE II (BM0/1_, CM0/1_)
      • 2.0 dCi (BM1K, CM1K) (110kW/150PS)
      • 2.0 dCi (127kW/173PS)
    • MEGANE II Universālis (KM0/1_)
      • 2.0 dCi (110kW/150PS)
    • MEGANE II Coupé-Cabriolet (EM0/1_)
      • 2.0 dCi (110kW/150PS)
    • SCÉNIC II (JM0/1_)
      • 2.0 dCi (JM1K) (110kW/150PS)
    • LAGUNA III (BT0/1)
      • 2.0 dCi (BT07, BT0J, BT14, BT1A, BT1S) (96kW/131PS)
      • 2.0 dCi (BT01, BT08, BT09, BT0E, BT0K, BT12, BT1C, BT1D,... (110kW/150PS)
      • 2.0 dCi GT (BT11, BT1E, BT1N) (131kW/178PS)
      • 2.0 dCi (BT0M, BT0N, BT0S, BT19, BT1F) (127kW/173PS)
    • LAGUNA III Grandtour (KT0/1)
      • 2.0 dCi (KT07, KT0J, KT14, KT1A, KT1S) (96kW/131PS)
      • 2.0 dCi (KT01, KT08, KT09, KT0K, KT12, KT1D, KT1W) (110kW/150PS)
      • 2.0 dCi GT (KT11, KT1E, KT1N) (131kW/178PS)
      • 2.0 dCi (KT0M, KT0N, KT0S, KT19, KT1F) (127kW/173PS)
    • GRAND SCÉNIC II (JM0/1_)
      • 2.0 dCi (JM1K) (110kW/150PS)
    • KOLEOS I (HY_)
      • 2.0 dCi (HY0K) (110kW/150PS)
      • 2.0 dCi 4x4 (HY0K) (110kW/150PS)
      • 2.0 dCi 4x4 (HY0B) (127kW/173PS)
    • LAGUNA Coupe (DT0/1)
      • 2.0 dCi (DT0M, DT0N, DT0S, DT19, DT1F) (127kW/173PS)
      • 2.0 dCi (DT01, DT08, DT09, DT0K, DT12, DT1C, DT1D, DT1M,... (110kW/150PS)
      • 2.0 dCi GT (DT11, DT1E, DT1N) (131kW/178PS)
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