HomeBelts and Cooling > Water Pump and Related ComponentsBeck Arnley 131-2509 Engine Auxiliary Water Pump
Part #: 131-2509

Beck Arnley 131-2509 Engine Auxiliary Water Pump

⚙️ 66 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, S550, CL550, CL600, CL63 AMG, CL65 AMG, S350, S400, S600, S65 AMG, S63 AMG, and CLK550
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Reliable Engine Auxiliary Water Pump for Mercedes-Benz Models

The Beck Arnley 131-2509 engine auxiliary water pump is designed to maintain optimal cooling performance in select Mercedes-Benz vehicles. Engineered to meet OEM specifications, this water pump supports efficient coolant circulation, helping to prevent overheating in your Mercedes-Benz CL63 AMG, S550, and other compatible models.

  • Compatible with Mercedes-Benz CL63 AMG, CL65 AMG, CL550, CL600, CLK550, S63 AMG, S65 AMG, S350, S400, S550, and S600
  • Part number 131-2509 ensures precise fit and function
  • Constructed with materials containing lead and lead compounds as noted in chemical safety information
  • Designed for engine auxiliary cooling system applications
  • Manufactured by Beck Arnley, a trusted name in automotive replacement parts

Product Details and Chemical Safety Information

This engine auxiliary water pump (part number 131-2509) is specifically engineered for use in various Mercedes-Benz models, including performance and luxury variants such as the CL63 AMG and S65 AMG. The pump plays a critical role in circulating coolant through the auxiliary cooling system, which helps regulate engine temperature during high-demand conditions.

It is important to note that this product contains lead and lead compounds, substances regulated for safe handling and disposal. Proper precautions should be taken during installation and maintenance to comply with safety standards.

Common Applications and Problem Resolution

  • Addresses coolant circulation issues in auxiliary cooling systems
  • Helps prevent engine overheating during extended or high-performance driving
  • Replaces faulty or worn auxiliary water pumps causing coolant leaks
  • Restores proper coolant flow in Mercedes-Benz CL and S-Class models
  • Mitigates engine temperature fluctuations linked to auxiliary pump failure

Installation Notes and Tips

Installation of the Beck Arnley 131-2509 auxiliary water pump should be performed by a qualified technician familiar with Mercedes-Benz cooling systems. Ensure the engine is cool before beginning work to avoid injury. Follow manufacturer torque specifications and use appropriate gaskets or seals to prevent leaks. After installation, verify coolant levels and check for leaks during a test drive.

Quality Assurance and Warranty Information

Beck Arnley parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 131-2509 engine auxiliary water pump undergoes rigorous quality control to ensure fitment and function for Mercedes-Benz vehicles. Warranty coverage details should be confirmed at the time of purchase, typically including protection against defects in materials and workmanship.

BrandBeck Arnley
Part Number131-2509
Are You Using The Long Form WarningY
Chemical(s) at IssueLEAD AND LEAD COMPOUNDS

This part fits 66 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016Mercedes-BenzS5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2015Mercedes-BenzS5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2014Mercedes-BenzCL5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2014Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2014Mercedes-BenzCL63 AMG5.5LV8N/AEngine Auxiliary Water Pump for HVAC System
2014Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2014Mercedes-BenzS5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzCL5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzCL63 AMG5.5LV8N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzS3503.0LV6N/A
2013Mercedes-BenzS4003.5LV6N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzS5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2013Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzCL5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzCL63 AMG5.5LV8N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzS3503.0LV6N/A
2012Mercedes-BenzS4003.5LV6N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzS5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2012Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzCL5504.7LV8N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzCL63 AMG5.5LV8N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzS4003.5LV6N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzS5505.5LV8N/A
2011Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2011Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzCL5505.5LV8N/A
2010Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzCL63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzS4003.5LV6N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzS5505.5LV8N/A
2010Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzS63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2010Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzCL5505.5LV8N/A
2009Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzCL63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzCLK5505.5LV8N/A
2009Mercedes-BenzS5505.5LV8N/A
2009Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzS63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2009Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzCL5505.5LV8N/A
2008Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzCL63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzCL65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzCLK5505.5LV8N/A
2008Mercedes-BenzS5505.5LV8N/A
2008Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzS63 AMG6.3LV8N/AEngine Auxiliary Water Pump for HVAC System
2008Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System
2007Mercedes-BenzCL5505.5LV8N/A
2007Mercedes-BenzCL6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2007Mercedes-BenzCLK5505.5LV8N/A
2007Mercedes-BenzS5505.5LV8N/A
2007Mercedes-BenzS6005.5LV12N/AEngine Auxiliary Water Pump for HVAC System
2007Mercedes-BenzS65 AMG6.0LV12N/AEngine Auxiliary Water Pump for HVAC System

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.