ABAKUS Expansion Tank, Coolant 054-026-012

Compatible with MERCEDES-BENZ S-CLASS (W140) , MERCEDES-BENZ S-CLASS Coupe (C140) ,
This ABAKUS expansion tank is designed to manage coolant pressure and volume in your vehicle's cooling system. Ensure optimal engine temperature and prevent overheating with this reliable component.
22.56 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (19.03.2026)
PN 054026012
Make ABAKUS

The ABAKUS expansion tank, part number 054-026-012, plays a crucial role in maintaining the efficiency of your vehicle's cooling system. It serves as a reservoir for coolant, allowing for expansion and contraction due to temperature changes. This prevents excessive pressure buildup, which can lead to leaks or damage to other cooling system components. Proper functioning of the expansion tank is vital for preventing engine overheating. By providing a space for the coolant to expand into, it ensures that the system remains pressurized correctly, allowing the coolant to circulate effectively and dissipate heat. This ABAKUS part is engineered to meet the demands of modern engines, contributing to their longevity and performance. Replacing a faulty or old expansion tank can help avoid costly repairs down the line. Signs of a failing tank might include coolant leaks, a low coolant level despite regular top-ups, or visible cracks in the plastic. This component is essential for the overall health of your engine's thermal management system.

  • Direct fit for specific vehicle applications
  • Manages coolant expansion and contraction
  • Helps maintain optimal engine operating temperature
  • Prevents excessive pressure buildup in the cooling system
  • Contributes to preventing engine overheating
  • Durable construction for long-lasting performance
  • Essential for the integrity of the cooling system
Additional article/Additional info 2
without cap
  • MERCEDES-BENZ
    • S-CLASS (W140)
      • S 280 (140.028) (142kW/193PS)
      • 300 SE 2.8 (140.028) (145kW/197PS)
      • 300 SE, SEL/S320 (140.032, 140.033) (170kW/231PS)
      • S 420 (140.042, 140.043) (205kW/279PS)
      • 400 SE, SEL/S420 (140.042, 140.043) (210kW/286PS)
      • S 500 (140.050, 140.051) (235kW/320PS)
      • 500 SE, SEL (140.050, 140.051) (240kW/326PS)
      • S 600 (140.056, 140.057) (290kW/394PS)
      • 600 SE, SEL (140.056, 140.057) (300kW/408PS)
    • S-CLASS Coupe (C140)
      • 500 SEC / CL 500 (140.070) (235kW/320PS)
      • SEC/CL 600 (140.076) (290kW/394PS)
      • SEC/CL 420 (140.063) (205kW/279PS)
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