Mahle B32573 Engine Oil Cooler Seal

Engine Oil Cooler Seal for Nissan and Infiniti

Mahle B32573 is an engine oil cooler seal built for direct-fit service on select Nissan and Infiniti applications. It supports a reliable seal at the oil cooler interface, helping maintain proper fluid separation and system integrity.

Key Features

• Engine oil cooler seal for sealing service on select Nissan and Infiniti vehicles
• Mahle gasket engineering trusted by OEMs and technicians
• Direct replacement part number B32573
• Cross-references Beck/Arnley 039-6616 and FEL-PRO 73233 for the same application
• Compatible with 2001-2018 Nissan and Infiniti fitments listed below

Detailed Description

Mahle B32573 is designed for vehicles that require a precise engine oil cooler seal during maintenance or repair. This seal is used on applications including the Nissan 370Z, Frontier, Xterra, Pathfinder, NV1500, NV2500, NV3500, and Infiniti Q70, Q70L, Q60, and QX4. Mahle’s sealing products are engineered to meet the demands of OEM-style service, helping restore a secure seal where oil cooler components meet the engine assembly.

This part number, B32573, is a practical choice for technicians and DIY repairs on select Nissan and Infiniti models where sealing performance matters. It is also referenced by Beck/Arnley 039-6616 and FEL-PRO 73233 for the same application.

What It Helps Address

• Oil seepage at the engine oil cooler sealing surface
• Loss of sealing integrity after cooler service or disassembly
• Fluid leaks caused by a worn or flattened seal
• Maintenance issues on Nissan 370Z, Frontier, Xterra, and Pathfinder oil cooler assemblies
• Service needs on Infiniti Q70, Q70L, Q60, and QX4 applications

Installation Notes and Tips

Confirm the vehicle application before installation and match the seal to the original part shape and dimensions. Clean the sealing surfaces thoroughly, remove old gasket material, and inspect the mating components for damage or warpage. For optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.

• Fits 2014-2018 INFINITI Q70, N/A
• Fits 2015-2018 INFINITI Q70L, N/A
• Fits 2009-2018 Nissan 370Z, N/A
• Fits 2014-2015 INFINITI Q60, N/A
• Fits 2005-2013 Nissan Frontier, N/A
• Fits 2012-2013 Nissan NV1500, N/A
• Fits 2012-2013 Nissan NV2500, N/A
• Fits 2012-2013 Nissan NV3500, N/A
• Fits 2005-2013 Nissan Xterra, N/A
• Fits 2001-2012 Nissan Pathfinder, N/A
• Fits 2001-2003 INFINITI QX4, N/A

Quality Assurance

Mahle sealing products are used in OEM and professional repair environments, with a focus on consistent fit and dependable sealing performance for service work on Nissan and Infiniti platforms.