Wix WL10379 Transmission Filter Kit

Wix WL10379 Transmission Filter Kit

The Wix WL10379 is an automatic transmission filter kit built for Mazda applications that call for precise fluid filtration and OE-style sealing. It is designed to keep unfiltered transmission fluid from bypassing the filter media, helping maintain clean fluid flow in service.

Compatible with select Mazda CX-5, CX-3, Mazda 6, and Mazda 3 applications, this transmission filter kit is a direct-fit service part for vehicles using Mazda OE part number FZ0121500. The WL10379 is a practical choice for routine transmission maintenance on Mazda automatic transmissions.

Key Features

• Automatic transmission filter kit for service replacement
• Cellulose filter media for fluid filtration
• Closed inner diameter top design
• Lock-seamed and sealed construction to help prevent bypass
• Application-specific sealing components for proper fit
• Includes sealing gaskets designed for modern transmission fluids
• Cross-references Mazda FZ0121500 for the same application

Detailed Description

Wix WL10379 is engineered as an automatic transmission filter kit for Mazda vehicles that require OE-level filtration and sealing performance. The filter assembly uses cellulose media and a sealed construction to support clean transmission fluid flow, while the included gaskets are matched to the demands of today’s transmission fluids. This part is a direct service replacement for Mazda CX-5, CX-3, Mazda 6, and Mazda 3 models listed in the fitment data.

For buyers searching for a Mazda CX-5 transmission filter kit, Mazda 3 automatic transmission filter, or Mazda 6 transmission service kit, the WL10379 provides a fitment-specific option tied to Mazda OE part number FZ0121500. The Wix WL10379 is also a useful reference when comparing transmission filter replacement parts for Mazda automatic transmission service.

What It Helps Address

• Dirty or degraded transmission fluid filtration
• Service replacement for a worn or restricted transmission filter
• Sealing issues caused by aged gaskets during transmission service
• Maintenance needs on Mazda automatic transmissions using OE part FZ0121500
• Fluid bypass concerns related to filter sealing and construction

Installation Notes and Tips

• Verify the vehicle’s transmission application against the fitment list before ordering.
• Use the correct Mazda OE reference FZ0121500 when confirming interchange.
• Inspect the transmission pan and mating surfaces during service for debris or residue.
• Follow the vehicle manufacturer’s service procedure for filter and gasket replacement.
• Confirm the transmission fluid specification required for the vehicle before refilling.

Quality Assurance

Wix designs this transmission filter kit with lock-seamed, sealed construction and application-specific sealing components to support complete filtration in the intended Mazda applications. The WL10379 is built as a service-grade replacement for vehicles calling for Mazda OE part number FZ0121500.