MasterPro A4339 Engine Mount - Rear or Rear Right

Engine Mount for Nissan and INFINITI Applications

MasterPro MRC Mounts A4339 is a solid engine mount built as an OEM replacement for rear and rear right mounting positions. It uses an aluminum mount and bracket with a rubber bushing to help restore proper engine support on select Nissan Altima, Nissan Pathfinder, and INFINITI QX60 applications.

The MRC Mounts line focuses on direct-fit replacement parts that meet or exceed original equipment manufacturer specifications. This MasterPro A4339 engine mount is built for the rear right position on 2018-2020 INFINITI QX60 and 2015 Nissan Pathfinder, and for the rear position on 2007-2013 Nissan Altima.

Key Features

• OEM replacement engine mount for rear and rear right locations
• Solid mount design with rubber bushing
• Aluminum mount and aluminum bracket construction
• Silver housing and bracket with black bushing
• Meets or exceeds original equipment manufacturer specifications
• Mounting bracket included
• Standard replacement grade
• Cross-reference part numbers include Anchor 9446 and Westar EM-9446

Detailed Description

MasterPro A4339 is an engine mount designed to support the engine at the rear or rear right mounting point, depending on vehicle application. The aluminum housing and bracket provide a direct replacement structure, while the rubber bushing helps isolate vibration through the mount assembly. This part is specified as an OEM replacement and is built to meet or exceed original equipment manufacturer specifications for the listed vehicles. It is a practical replacement choice for drivers servicing a Nissan Altima, Nissan Pathfinder, or INFINITI QX60 with the correct rear mount configuration.

What This Part Helps Fix

• Excessive engine movement during acceleration or shifting
• Vibration transferred into the cabin from a worn mount
• Noisy clunking or thumping from a deteriorated rear mount
• Misalignment caused by a failed engine support point
• Wear-related replacement needs on the rear right or rear mount location

Installation Notes and Tips

Verify the mounting position before installation: rear right for 2018-2020 INFINITI QX60 and 2015 Nissan Pathfinder, and rear for 2007-2013 Nissan Altima. This part uses three mounting holes and does not include mounting hardware or instructions. Confirm vehicle transmission and application details against the fitment listing before installation.

Quality Assurance

MasterPro MRC Mounts A4339 is manufactured as a standard replacement engine mount that meets or exceeds original equipment manufacturer specifications. It is built for direct replacement use on the listed Nissan and INFINITI applications.