MAHLE Expansion Tank, Coolant CRT 255 000S

Compatible with AUDI A4 B9 (8W2, 8WC) , AUDI A4 B9 Avant (8W5, 8WD) , AUDI A4 Allroad B9 (8WH, 8WJ) Show more info
This MAHLE expansion tank is designed to manage coolant system pressure and volume. It ensures optimal engine temperature and prevents leaks.
33.56 EUR
inc. VAT 21%
In stock 18
Delivery 1 day (30.03.2026)
PN CRT255000S
Make MAHLE
EAN 4057635238045

The MAHLE expansion tank, part number CRT 255 000S, plays a crucial role in the vehicle's cooling system. It serves as a reservoir for coolant, accommodating expansion and contraction due to temperature changes. This prevents excessive pressure buildup, which could lead to leaks or damage to other cooling system components. Proper functioning of the expansion tank is vital for maintaining the engine's optimal operating temperature. By providing a stable environment for the coolant, it helps dissipate heat effectively, preventing overheating. This MAHLE component is engineered for durability and reliable performance, ensuring the longevity of your engine. Regular inspection of the expansion tank for cracks, leaks, or discoloration is recommended. A compromised tank can lead to coolant loss and potential engine damage. Replacing it with a quality part like the MAHLE CRT 255 000S ensures your cooling system operates as intended.

  • Manages coolant expansion and contraction.
  • Helps maintain optimal engine temperature.
  • Prevents excessive pressure buildup in the cooling system.
  • Ensures reliable performance and durability.
  • Crucial for preventing overheating and coolant loss.
  • Direct replacement for original equipment.
  • Engineered by MAHLE for quality assurance.
Length [mm]
260
Width [mm]
+185
Height [mm]
244
Material
Plastic
Color
Gray
Additional article/Additional information
with coolant level sensor
additional required items (article number)
CRTC 11 000S
Volume [Liters]
2+1
Additional article/Additional info 2
without cap
Package width [cm]
18,50
Package height [cm]
24,40
Package length [cm]
26,0
Net weight [g]
660
  • AUDI
    • A4 B9 (8W2, 8WC)
      • 1.4 TFSI (110kW/150PS)
      • 2.0 TFSI (140kW/190PS)
      • 2.0 TFSI (185kW/252PS)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI (100kW/136PS)
      • 2.0 TFSI (183kW/249PS)
      • 2.0 TFSI quattro (183kW/249PS)
      • 2.0 TDI (90kW/122PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI quattro (120kW/163PS)
      • 40 TFSI Mild Hybrid (140kW/190PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS) DDWA
      • 35 TFSI Mild Hybrid (110kW/150PS)
      • 45 TFSI Mild Hybrid (180kW/245PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 35 TDI (110kW/150PS)
      • 40 TDI (140kW/190PS)
      • 40 TDI quattro (140kW/190PS)
      • 30 TDI (90kW/122PS)
      • 35 TDI Mild Hybrid (120kW/163PS)
      • 30 TDI Mild Hybrid (100kW/136PS)
      • 40 TFSI Mild Hybrid (150kW/204PS)
      • 40 TFSI Mild Hybrid quattro (150kW/204PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
    • A4 B9 Avant (8W5, 8WD)
      • 2.0 TFSI (140kW/190PS)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TFSI quattro (183kW/249PS)
      • 2.0 TDI (100kW/136PS)
      • 1.4 TFSI (110kW/150PS)
      • 2.0 TDI (90kW/122PS)
      • 2.0 TFSI (185kW/252PS)
      • 2.0 TFSI (183kW/249PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI quattro (120kW/163PS)
      • 2.0 TFSI g-tron (125kW/170PS)
      • 40 TFSI Mild Hybrid (140kW/190PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS)
      • 35 TFSI Mild Hybrid (110kW/150PS)
      • 45 TFSI Mild Hybrid (180kW/245PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 35 TDI (110kW/150PS)
      • 40 TDI (140kW/190PS)
      • 40 TDI quattro (140kW/190PS)
      • 30 TDI (90kW/122PS)
      • 40 TFSI g-tron (125kW/170PS)
      • 30 TDI Mild Hybrid (100kW/136PS)
      • 35 TDI Mild Hybrid (120kW/163PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
      • 40 TFSI Mild Hybrid quattro (150kW/204PS)
      • 40 TFSI Mild Hybrid (150kW/204PS)
    • A4 Allroad B9 (8WH, 8WJ)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TDI quattro (120kW/163PS)
      • 2.0 TFSI quattro (183kW/249PS)
      • 2.0 TDI quattro (100kW/136PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS)
      • 40 TDI quattro (140kW/190PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
    • A5 (F53, F5P)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TFSI (185kW/252PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TFSI (140kW/190PS)
      • 2.0 TFSI quattro (183kW/249PS)
      • 1.4 TFSI (110kW/150PS)
      • 2.0 TDI (110kW/150PS)
      • 40 TFSI Mild Hybrid (140kW/190PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS)
      • 45 TFSI Mild Hybrid (180kW/245PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 35 TFSI Mild Hybrid (110kW/150PS)
      • 40 TDI (140kW/190PS)
      • 40 TDI quattro (140kW/190PS)
      • 35 TDI (110kW/150PS)
      • 35 TDI (120kW/163PS)
      • 30 TDI Mild Hybrid (100kW/136PS)
      • 40 TFSI Mild Hybrid (150kW/204PS)
      • 40 TFSI Mild Hybrid quattro (150kW/204PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
    • A5 Sportback (F5A, F5F)
      • 2.0 TFSI (185kW/252PS)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TFSI quattro (183kW/249PS)
      • 1.4 TFSI (110kW/150PS)
      • 2.0 TFSI (140kW/190PS)
      • 2.0 TFSI g-tron (125kW/170PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 40 TFSI Mild Hybrid (140kW/190PS)
      • 2.0 TFSI Mild Hybrid (185kW/252PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS)
      • 35 TFSI Mild Hybrid (110kW/150PS)
      • 45 TFSI Mild Hybrid (180kW/245PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 35 TDI (110kW/150PS)
      • 40 TDI (140kW/190PS)
      • 40 TDI quattro (140kW/190PS)
      • 40 TFSI g-tron (125kW/170PS)
      • 35 TDI (120kW/163PS)
      • 30 TDI Mild Hybrid (100kW/136PS)
      • 40 TFSI Mild Hybrid quattro (150kW/204PS)
      • 40 TFSI Mild Hybrid (150kW/204PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
      • 40 TDI Mild Hybrid (150kW/204PS)
    • A5 Kabriolets (F57, F5E)
      • 2.0 TFSI quattro (185kW/252PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TFSI (185kW/252PS)
      • 2.0 TFSI (140kW/190PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 2.0 TDI (110kW/150PS)
      • 40 TFSI Mild Hybrid (140kW/190PS)
      • 2.0 TFSI Mild Hybrid quattro (185kW/252PS)
      • 45 TFSI Mild Hybrid (180kW/245PS)
      • 45 TFSI Mild Hybrid quattro (180kW/245PS)
      • 40 TDI (140kW/190PS)
      • 40 TDI quattro (140kW/190PS)
      • 35 TDI (120kW/163PS)
      • 40 TFSI Mild Hybrid (150kW/204PS)
      • 40 TFSI Mild Hybrid quattro (150kW/204PS)
      • 35 TFSI Mild Hybrid (110kW/150PS)
      • 45 TFSI Mild Hybrid quattro (195kW/265PS)
      • 40 TDI Mild Hybrid quattro (150kW/204PS)
      • 30 TDI MILD HYBRID (100kW/136PS)
      • 40 TDI Mild Hybrid (150kW/204PS)
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