Keep your automatic transmission's fluid clean and its valve body flowing freely with the ATP Automatic Transmission Filter Kit B-331 (also written B331). It installs as a direct-fit replacement on the 2003-2009 Lexus GX470, 2003-2019 Toyota 4Runner, 2007-2014 FJ Cruiser, and 2003-2007 Land Cruiser — see the Buyer's Guide tab to confirm the exact engine for your vehicle.
Protects vital internals: Designed to keep the transmission fluid — the life blood of your transmission — clean so the valve body and other critical components don't become clogged.
Captures wear debris: Every transmission eventually accumulates debris from normal wear and tear; this filter helps strain it out of the circulating fluid.
Supports service intervals: Replacing the filter as part of regular maintenance helps extend transmission life and can reduce the possibility of costly, avoidable repairs.
If a clogged or contaminated filter is contributing to harsh or delayed shifts, replacing it during a fluid service addresses that part of the job. Always follow the vehicle service procedure for the correct fluid type and fill quantity.
It's a direct-fit replacement for the 2003-2009 Lexus GX470, 2003-2019 Toyota 4Runner, 2007-2014 FJ Cruiser, and 2003-2007 Land Cruiser. Check the Buyer's Guide tab to confirm your exact engine.
What does a transmission filter do?
It strains debris out of the circulating automatic transmission fluid, helping keep the valve body and other vital components from becoming clogged.
Why should I replace the transmission filter?
Every transmission accumulates debris from normal wear. Replacing the filter regularly helps keep the fluid clean, extending transmission life and reducing the chance of avoidable repairs.
Will this fix my harsh or delayed shifts?
If a clogged or contaminated filter is contributing to the problem, replacing it during a fluid service addresses that part. Have the cause diagnosed, since shift issues can stem from other components.
Does this kit include transmission fluid?
The listing covers the ATP filter kit. Follow the vehicle service procedure for the correct fluid type and fill quantity when performing the service.
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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.
