TOPRAN 503 137 Thermostat Housing

Compatible with BMW 3 Touring (E91) , BMW 3 (E90) , BMW 3 Coupe (E92) Show more info
Ensures proper engine temperature regulation. Direct fit replacement for optimal performance.
10.17 EUR
inc. VAT 21%
In stock 40
Delivery 1 day (14.05.2026)
PN 503 137
Make TOPRAN

This TOPRAN thermostat housing (part code 503 137) is designed to maintain your engine's optimal operating temperature. A malfunctioning thermostat housing can lead to overheating or under-cooling, impacting engine efficiency and longevity. Crafted with durable materials, this housing provides a reliable seal to prevent coolant leaks. It is engineered for a precise fit, ensuring straightforward installation and integration with your vehicle's cooling system. Proper functioning of the thermostat housing is crucial for consistent engine performance and fuel economy. Replacing a worn or damaged housing with this quality part from TOPRAN will help restore your engine's cooling system to its intended performance levels.

  • Ensures accurate engine temperature control
  • Durable construction for long-lasting performance
  • Designed for a precise and secure fit
  • Helps prevent coolant leaks
  • Restores optimal engine cooling system function
  • Direct replacement for OE part
Housing type
Plastic housing
Additional article/Additional info 2
with screws
Number of screws
4
Additional article/Additional information
with gasket
  • BMW
    • 3 Touring (E91)
      • 318 d (100kW/136PS)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
    • 3 (E90)
      • 318 d (100kW/136PS)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
      • 316 d (85kW/116PS)
    • 3 Coupe (E92)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
    • 1 (E81)
      • 118 d (105kW/143PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
      • 116 d (85kW/116PS)
    • 1 Coupe (E82)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
      • 118 d (105kW/143PS)
    • 1 Kabriolets (E88)
      • 120 d (130kW/177PS)
      • 118 d (105kW/143PS)
      • 123 d (150kW/204PS)
    • 3 Kabriolets (E93)
      • 320 d (130kW/177PS)
      • 320 d (135kW/184PS)
    • 5 (E60)
      • 520 d (130kW/177PS)
    • 5 Touring (E61)
      • 520 d (130kW/177PS)
    • X3 (E83)
      • 2.0 sd (130kW/177PS)
      • xDrive 18 d (105kW/143PS)
    • X1 (E84)
      • sDrive 18 d (105kW/143PS)
      • xDrive 18 d (105kW/143PS)
      • xDrive 20 d (130kW/177PS)
      • sDrive 20 d (130kW/177PS)
      • xDrive 23 d (150kW/204PS)
    • 1 (E87)
      • 116 d (85kW/116PS)
      • 118 d (105kW/143PS)
      • 120 d (130kW/177PS)
      • 123 d (150kW/204PS)
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