ATP Transmission Filter Kit P/N:B-173
Keep your automatic transmission fluid clean and flowing to the valve body with the ATP Automatic Transmission Filter Kit B-448. It installs as a direct-fit replacement for the listed applications, including the 2004-2012 Infiniti QX56 (V8-5.6L), 2004 Nissan Pathfinder Armada (V8-5.6L), 2005-2015 Nissan Armada (V8-5.6L), 2005-2012 Nissan Pathfinder (V6-4.0L), and 2008-2012 Nissan Pathfinder (V8-5.6L).
If a clogged or dirty original filter is behind your transmission's poor fluid flow, this kit replaces it during a scheduled service.
Interchange: 31728-7S11A · 317287S11A
Manufacturer part number B-448. Country of origin: Taiwan.
This part cross-references / interchanges with the following part numbers:
What does the ATP B-448 filter kit do?
It filters the automatic transmission fluid, trapping debris from normal wear so the valve body and other components stay clean and free-flowing.
Which vehicles does this kit fit?
It's a direct-fit replacement for the 2004-2012 Infiniti QX56, 2004 Nissan Pathfinder Armada, 2005-2015 Nissan Armada, 2005-2012 (V6-4.0L) and 2008-2012 (V8-5.6L) Nissan Pathfinder. See the Buyer's Guide tab.
When should I replace the transmission filter?
Signs it may need service include dirty or contaminated fluid. Follow the replacement interval in your vehicle's service information.
What number does this kit interchange with?
It cross-references 31728-7S11A (also written 317287S11A). Its own identity is manufacturer part number B-448.
Where is this filter kit made?
Country of origin: Taiwan.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.