ATP Parts B-448 Transmission Filter Kit

Transmission Filter Kit for Nissan and INFINITI

ATP Parts B-448 is a Premium Replacement transmission filter kit built to help keep automatic transmission fluid clean. By capturing wear debris before it circulates through the valve body and other critical internal components, this transmission service kit supports cleaner fluid maintenance for Nissan Armada, Nissan Pathfinder, and INFINITI QX56 applications.

ATP Premium Replacement parts are positioned for direct-fit service work where OE-style fitment and routine maintenance matter. This kit is a practical choice for drivers servicing a Nissan Armada transmission filter kit or replacing a transmission filter on a Nissan Pathfinder or INFINITI QX56.

Key Features

• Transmission filter kit for automatic transmission service
• Helps maintain cleaner transmission fluid by trapping debris from normal wear
• Premium Replacement line from ATP Parts
• Fits select Nissan Armada, Nissan Pathfinder, and INFINITI QX56 applications
• Part number B-448 for easy identification

Detailed Description

Transmission fluid cleanliness is critical to transmission operation because debris can restrict flow and contribute to valve body contamination. ATP Parts B-448 is designed for routine transmission maintenance on select Nissan and INFINITI vehicles, including the Nissan Armada, Nissan Pathfinder, and INFINITI QX56. This transmission filter kit supports service intervals where replacing the filter is part of keeping the transmission fluid path clean and reducing the chance of clog-related drivability issues.

This part cross-references ATP Parts B-448 for the same application. The Premium Replacement line is ATP’s OE-style service-focused product line for maintenance parts that match the needs of common repair and replacement jobs.

What It Helps Address

• Dirty transmission fluid from normal wear and tear
• Debris buildup that can restrict internal fluid passages
• Valve body contamination that can affect shifting performance
• Reduced transmission service life caused by neglected filter maintenance
• Costly repairs linked to clogged transmission components

Installation Notes and Tips

• Fits 2005-2015 Nissan Armada, N/A
• Fits 2008-2012 INFINITI QX56, N/A
• Fits 2004-2006 INFINITI QX56, N/A
• Fits 2005-2012 Nissan Pathfinder, N/A
• Fits 2007 INFINITI QX56, N/A; From 04/2007 to 04/2008
• Fits 2007 Nissan Armada, N/A; From 04/2007 to 04/2008
• Fits 2007 Nissan Pathfinder, N/A; From 04/2007 to 07/2008
• Fits 2004 Nissan Pathfinder Armada, N/A

Confirm transmission service requirements before installation and match the vehicle year range and notes exactly. For best results, replace the filter during scheduled transmission service and inspect the fluid condition at the same time.

Quality Assurance

ATP Parts designs transmission filters to help keep transmission fluid clean and support regular maintenance on the listed Nissan and INFINITI applications. Part number B-448 is identified for direct lookup during service and replacement.