ATP Parts B-187 Transmission Filter Kit

Transmission Filter Kit for Clean Fluid Control

ATP Parts B-187 is a Premium Replacement transmission filter kit built to help keep transmission fluid clean as normal wear creates debris inside the unit. Clean fluid helps protect the valve body and other critical internal components from clogging and inoperability. This kit is a direct-fit service solution for select Lexus, Toyota, and Scion applications, including Lexus ES300, Lexus RX300, Toyota Highlander, and Scion xB.

Key Features

• Transmission filter kit for routine service and fluid maintenance
• Premium Replacement line from ATP Parts
• Helps remove wear-related debris from transmission fluid
• Supports cleaner fluid flow through the valve body and internal passages
• Fits select Lexus ES300, Lexus RX300, Toyota Highlander, and Scion xB applications
• ATP Parts B-187 cross-references JT7044 and TF1202 for the same application

Product Details

The ATP Parts B-187 transmission filter kit is designed for owners servicing automatic transmissions that rely on clean fluid for proper operation. The Premium Replacement line focuses on service parts that match the application requirements for select Toyota, Lexus, and Scion vehicles. This kit is a practical choice when replacing a clogged or worn transmission filter during scheduled maintenance on a Lexus ES300, Lexus RX300, Toyota Highlander, or Scion xB. The B-187 part number is also useful when searching for a transmission filter kit by application or interchange reference.

Vehicle Fitment

• Fits 2013-2014 Scion xB, N/A. Notes: Includes pan gasket, gasket, and filter; Length: 7.1875"; To 10/2013; Premium Replacement.
• Fits 2004 Toyota Highlander, N/A. Notes: Includes pan gasket, gasket, and filter; Length: 7.1875"; From 07/2004; Premium Replacement.
• Fits 1999-2001 Lexus ES300, N/A. Notes: Includes pan gasket, gasket, and filter; Length: 7.1875"; Premium Replacement.
• Fits 1999-2000 Lexus RX300, N/A. Notes: Includes pan gasket, gasket, and filter; Length: 7.1875"; Premium Replacement.

Common Service Issues Addressed

• Restricted transmission fluid flow from a dirty filter
• Debris buildup from normal internal wear
• Valve body contamination that can affect shifting performance
• Maintenance replacement during transmission service intervals
• Filter-related service concerns on Lexus ES300, Lexus RX300, Toyota Highlander, and Scion xB models

Installation Notes and Tips

Verify the vehicle year and application details before installation, especially the production cutoff notes listed for the Scion xB and Toyota Highlander. Replace the transmission filter during fluid service and inspect the pan and sealing surfaces for contamination or damage before reassembly. Confirm the part number B-187 against the vehicle’s transmission service requirements and use the fitment notes to match the correct application.

Quality Assurance

ATP Parts Premium Replacement service components are built for application-specific transmission maintenance. Regular filter replacement helps keep transmission fluid cleaner, which supports long-term transmission service life and reduces the chance of avoidable repair issues.