TOPRAN 409 278 Coolant Expansion Tank

Compatible with MERCEDES-BENZ B-CLASS Sports Tourer (W246, W242) , MERCEDES-BENZ A-CLASS (W176) , MERCEDES-BENZ GLA-CLASS (X156) Show more info
This coolant expansion tank from TOPRAN is designed to maintain optimal coolant levels in your vehicle's cooling system.
33.49 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (29.06.2026)
PN 409 278
Make TOPRAN

The TOPRAN 409 278 coolant expansion tank is a crucial component for your vehicle's cooling system. It serves as a reservoir for excess coolant, allowing it to expand when heated and contract when cooled without compromising system pressure. Proper functioning of the expansion tank is vital for preventing overheating and ensuring the longevity of your engine. This tank is engineered to meet specific vehicle requirements, ensuring a precise fit and reliable performance. Regular inspection of your coolant expansion tank for leaks or damage is recommended. Replacing a faulty tank promptly can prevent more serious cooling system issues and costly repairs.

  • Direct replacement for original equipment.
  • Ensures proper coolant expansion and contraction.
  • Helps maintain optimal engine operating temperature.
  • Durable construction for long-lasting performance.
  • Designed to prevent leaks and maintain system pressure.
  • Essential for the health of your vehicle's cooling system.
Additional article/Additional info 2
without cap
Material
Plastic
  • MERCEDES-BENZ
    • B-CLASS Sports Tourer (W246, W242)
      • B 180 (246.242) (90kW/122PS)
      • B 200 (246.243) (115kW/156PS)
      • B 180 CDI (246.200) (80kW/109PS)
      • B 200 CDI (246.201) (100kW/136PS)
      • B 220 4-matic (246.247) (135kW/184PS)
      • B 250 (246.244) (155kW/211PS)
      • B 220 CDI / d (246.203) (125kW/170PS)
      • B 160 CDI / d (246.211) (66kW/90PS)
      • B 180 CDI / d (246.212) (80kW/109PS)
      • B 250 4-matic (246.246) (155kW/211PS)
      • B 200 CDI / d (246.208) (100kW/136PS)
      • B 220 CDI / d 4-matic (246.205) (130kW/177PS)
      • B 160 (246.241) (75kW/102PS)
    • A-CLASS (W176)
      • A 180 (176.042) (90kW/122PS)
      • A 200 (176.043) (115kW/156PS)
      • A 250 (176.044) (155kW/211PS)
      • A 180 CDI / d (176.012) (80kW/109PS)
      • A 180 CDI (176.000) (80kW/109PS)
      • A 200 CDI (176.001) (100kW/136PS)
      • A 220 CDI (176.003) (125kW/170PS)
      • A 160 CDI / d (176.011) (66kW/90PS)
      • A 250 4-matic (176.046) (155kW/211PS)
      • A 200 CDI / d (176.008) (100kW/136PS)
      • A 200 CDI / d 4-matic (176.002) (100kW/136PS)
      • A 220 CDI 4-matic (176.005) (125kW/170PS)
      • A 220 4-matic (176.047) (135kW/184PS)
      • A 160 (176.041) (75kW/102PS)
      • A 250 (176.050) (160kW/218PS)
      • A 250 4-matic (176.051) (160kW/218PS)
    • GLA-CLASS (X156)
      • GLA 200 (156.943) (115kW/156PS)
      • GLA 200 CDI / d (156.908) (100kW/136PS)
      • GLA 200 CDI 4-matic (156.902) (100kW/136PS)
      • GLA 220 CDI (156.903) (125kW/170PS)
      • GLA 220 CDI 4-matic (156.905) (125kW/170PS)
      • GLA 250 (156.944) (155kW/211PS)
      • GLA 250 4-matic (156.946) (155kW/211PS)
      • GLA 180 CDI / d (156.912) (80kW/109PS)
      • GLA 180 (156.942) (90kW/122PS)
      • GLA 220 d (156.903) (130kW/177PS)
      • GLA 220 d 4-matic (156.905) (130kW/177PS)
      • GLA 220 4-matic (156.947) (135kW/184PS)
      • GLA 200 (156.943) (110kW/150PS)
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