ATP Parts
Premium Replacement

ATP Parts B-451 Transmission Filter - Internal

Brand ATP Parts B-451
Position Internal
Contents or Additional Details This Part Is An Internal Filter and Requires Transmission Disassembly To Replace.
LineCode ATP
Product line Premium Replacement
Fits Honda and Acura · 38 vehicles

Internal filter. Requires transmission disassembly to replace.

Keeps fluid clean. Helps prevent debris from clogging vital components.

Premium replacement. ATP Parts transmission filter line.

Cross-references 25420-RT4-004 and 25420-RV2-003 for the same application. See all 2.

$72.98Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $72.98
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Transmission Oil Filter for Honda and Acura

ATP Parts B-451 is a premium replacement transmission oil filter for select Honda and Acura applications. It helps keep transmission fluid cleaner by capturing wear debris before it can circulate through the valve body and other critical internal components. This internal filter is used in applications where transmission service requires disassembly.

Key Features

  • Premium Replacement line from ATP Parts
  • Internal transmission oil filter design
  • Helps maintain cleaner transmission fluid
  • Supports protection of valve body and other vital transmission components
  • Direct replacement for select Honda and Acura vehicles
  • Part number B-451

Product Details

ATP Parts Premium Replacement B-451 is built for drivers servicing Honda and Acura transmissions that use an internal filter or strainer-style filter assembly. Over time, normal transmission wear creates debris that can contaminate fluid and restrict flow. Replacing the filter during transmission service helps keep fluid cleaner and reduces the chance of clogging in sensitive hydraulic passages. This part cross-references 25420-RT4-004 and 25420-RV2-003 for the same application.

Compatible With 2018 Honda Ridgeline, 2017 Honda Accord, 2017 Honda Odyssey, 2017 Honda Pilot, 2017 Honda Ridgeline, 2016 Honda Odyssey, 2016 Honda Pilot, 2014 Honda Odyssey, 2013-2014 Honda Crosstour, 2011-2013 Honda Odyssey, and 2010-2013 Acura MDX. Also compatible with select Acura RDX, RLX, TL, ZDX, and RL applications listed in the fitment data. Part number B-451 is a direct-fit service part for these vehicles.

Common Problems This Filter Helps Address

  • Dirty transmission fluid from normal wear debris
  • Restricted fluid flow through the transmission filter
  • Clogging in the valve body and internal passages
  • Reduced transmission service life from neglected filter maintenance
  • Costly repairs linked to contaminated fluid circulation

Installation Notes

  • This part is an internal filter and requires transmission disassembly to replace.
  • Use the vehicle’s service procedure for the exact transmission configuration.
  • Replace the filter during transmission service when the unit is already opened.
  • Verify the application by year, make, model, and transmission type before installation.

Quality Assurance

ATP Parts Premium Replacement components are built for service applications where correct fit and fluid cleanliness matter. B-451 is designed for the listed Honda and Acura fitments and follows the application details provided by the manufacturer.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeTransmissionLitersCylindersPositionNotes
2018HondaRidgelineAutomatic3.5LV6N/APremium Replacement
2017AcuraRDX3.5LV6N/APremium Replacement
2017AcuraRLXAutomatic3.5LV6N/APremium Replacement
2017HondaAccordSedan3.5LV6InternalPremium Replacement
2017HondaAccordCoupe3.5LV6InternalPremium Replacement
2017HondaOdyssey3.5LV6N/APremium Replacement
2017HondaPilot3.5LV6N/APremium Replacement
2017HondaRidgeline3.5LV6InternalPremium Replacement
2016AcuraRDX3.5LV6N/AStrainer; Premium Replacement
2016AcuraRLXAutomatic3.5LV6N/AStrainer; Premium Replacement
2016HondaOdyssey3.5LV6N/AStrainer; Premium Replacement
2016HondaPilot3.5LV6N/AStrainer Assembly; Premium Replacement
2014AcuraRDX3.5LV6N/AStrainer; Premium Replacement
2014AcuraRLX3.5LV6N/AStrainer; Premium Replacement
2014AcuraTL3.7LV6N/AStrainer; Premium Replacement
2014AcuraTL3.5LV6N/AStrainer; Premium Replacement
2014HondaCrosstour3.5LV6N/AStrainer; Premium Replacement
2014HondaOdyssey3.5LV6N/AStrainer; Premium Replacement
2013AcuraMDXInternalPremium Replacement
2013AcuraRDX3.5LV6N/AStrainer; Premium Replacement
2013AcuraTL3.7LV6N/AStrainer; Premium Replacement
2013AcuraTL3.5LV6N/AStrainer; Premium Replacement
2013AcuraZDX3.7LV6InternalPremium Replacement
2013HondaCrosstour3.5LV6N/AStrainer; Premium Replacement
2013HondaOdyssey3.5LV6InternalOnly Fits PV2A; Premium Replacement
2012AcuraMDXInternalPremium Replacement
2012AcuraRL3.7LV6N/AStrainer; Premium Replacement
2012AcuraTL3.7LV6N/AStrainer; Premium Replacement
2012AcuraTL3.5LV6N/AStrainer; Premium Replacement
2012AcuraZDX3.7LV6InternalPremium Replacement
2012HondaOdyssey3.5LV6InternalOnly Fits PV2A; Premium Replacement
2011AcuraMDXInternalPremium Replacement
2011AcuraRL3.7LV6N/AStrainer; Premium Replacement
2011AcuraZDX3.7LV6N/APremium Replacement
2011AcuraZDX3.7LV6InternalPremium Replacement
2011HondaOdyssey3.5LV6InternalOnly Fits PV2A; Premium Replacement
2010AcuraMDXInternalPremium Replacement
2010AcuraZDX3.7LV6InternalPremium Replacement
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
25420-RT4-00425420-RV2-003