ATP Transmission Filter Kit P/N:B-448

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$55.99
MPN: B-448
UPC: 740993073000
Item Package Quantity: 1
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ATP Transmission Filter Kit P/N:B-448
ATP Transmission Filter Kit P/N:B-448
$55.99

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).

  • Keeps fluid clean: designed to trap the debris an automatic transmission accumulates from normal wear and tear, helping keep the transmission fluid clean.
  • Protects vital components: clean fluid helps prevent the valve body and other critical components from becoming clogged and inoperable.
  • Service maintenance: replacing the filter as part of regular service helps extend transmission life and reduce the chance of avoidable, costly repairs.

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:

31728-7S11A

Frequently Asked Questions

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.