ATP Parts B-458 Transmission Filter Kit

Transmission Filter Kit for Hyundai and Kia

ATP Parts B-458 is a premium replacement transmission filter kit for select Hyundai and Kia vehicles. It helps keep transmission fluid cleaner by capturing wear debris before it can circulate through the valve body and other critical internal components.

Compatible with applications such as the Hyundai Sonata, Hyundai Tucson, Kia Optima, and Kia Sorento, this ATP Parts B-458 filter kit is built for service work where internal transmission maintenance is required.

Key Features

• Transmission filter kit for internal service applications
• Premium Replacement line from ATP Parts
• Helps maintain cleaner transmission fluid
• Supports regular transmission maintenance on select Hyundai and Kia models
• Cross-references ATP 46321-3B600 and 46321-26000 for the same application

Detailed Description

ATP Parts B-458 is a transmission filter kit engineered for vehicles that use an internal filter service design. The filter helps trap debris created by normal transmission wear, reducing the chance of contamination reaching the valve body and other internal passages. Regular filter replacement is an important part of transmission service, especially on Hyundai and Kia applications where clean fluid flow is critical to long-term operation. This part number, B-458, is listed for a wide range of model years across Hyundai Accent, Elantra, Sonata, Tucson, Veloster, Santa Fe Sport, and Kia Optima, Soul, Sportage, Forte, Rio, Sorento, and related models.

What It Helps Address

• Dirty transmission fluid caused by normal wear debris
• Restricted fluid flow through the valve body
• Internal contamination that can affect shifting performance
• Service intervals where the transmission filter is due for replacement
• Potential wear-related repair costs from neglected fluid filtration

Installation Notes and Tips

• This part is an internal filter and requires transmission disassembly to replace.
• Confirm the exact transmission code and vehicle configuration before ordering.
• Some fitments note pan-equipped applications or specific transmission variants such as A6MF-1.
• Use the vehicle notes carefully for Hyundai Accent, Sonata, Elantra, Veloster, and Kia Optima, Rio, Soul, Sportage, and Sorento applications.
• For service accuracy, match the original filter style and interchange references before installation.

Quality Assurance

ATP Parts Premium Replacement components are built for service-focused repairs and maintenance. B-458 is designed as a direct replacement filter for the listed Hyundai and Kia applications, with fitment guidance provided by model year and transmission notes.