This high-quality TOPRAN water pump (401178) is a direct replacement for Genuine Part Number Reference: A1122001401, also referenced as 1122000101, 1122000110, 1122000123, 1122000201, 1122000401, 1122001101, 1122020110, A1122020110. It circulates coolant through the engine and radiator, maintaining correct engine operating temperature and preventing overheating.

Key Features:

  • Direct replacement for OEM part number A1122001401
  • Also cross-references to 1122000101, 1122000110, 1122000123, 1122000201, 1122000401, 1122001101, 1122020110, A1122020110
  • Manufactured to meet or exceed OEM specifications
  • Durable construction
  • Factory-style fit and function

Compatible With:

  • Mercedes-Benz C-Class Saloon/Estate/Coupe (W202/S202/W203/S203/CL203) C240, C280, C320, C32 AMG, C43 AMG, C55 AMG – 1993 to 2007
  • Mercedes-Benz E-Class Saloon/Estate (W210/S210/W211/S211) E240, E280, E320, E430, E500, E55 AMG – 1995 to 2009
  • Mercedes-Benz CLK Coupe/Convertible (C208/A208/C209/A209) CLK240, CLK320, CLK430, CLK500, CLK55 AMG, CLK63 AMG – 1997 to 2010
  • Mercedes-Benz S-Class Saloon/Coupe (W220/C215) S280, S350, S430, S500, S55 AMG, CL500, CL55 AMG – 1998 to 2006
  • Mercedes-Benz SL Convertible (R129/R230) 280, 320, 350, 500 – 1989 to 2012
  • Mercedes-Benz SLK (R170/R171) 320, 55 AMG – 1996 to 2011
  • Mercedes-Benz ML-Class (W163/W164) ML320, ML350, ML430, ML500, ML55 AMG – 1998 to 2012
  • Mercedes-Benz G-Class (W463) G320, G500, G55 AMG – 1989 to 2018
  • Mercedes-Benz CLS Coupe (C219) CLS500 – 2004 to 2011
  • Mercedes-Benz R-Class (W251/V251) R500 – 2005 to 2017
  • Mercedes-Benz Vito/Viano (W639) 119, 122, 123, 3.2, 3.7 – 2003 onward

Year Range:

1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

Engine Codes:

M112, M113

This is an aftermarket replacement part, not a genuine Mercedes-Benz component.

Shipping

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Most orders are processed within 24 hours (Monday to Friday) and shipped via overnight service for small items.

Larger items typically arrive within 1-2 business days.

You'll receive a tracking link as soon as your order is collected for delivery.

✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

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