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National 711157 Automatic Transmission Torque Converter Seal
| Brand | National 711157 |
|---|---|
| Material | Aem (vamac) |
| Inside Diameter | 1.67 |
| Inside Diameter | 42.421 |
| Width | 0.217 |
| Width | 5.50 |
| Outside Diameter | 2.372 |
| Outside Diameter | 60.25 |
| Shaft Diameter | 1.732 |
| Shaft Diameter | 44 |
| Sealing Material | Aem (vamac) |
| Grade Type | Premium |
| Helix Type | Cw |
| Housing Bore (Inch) | 2.36 |
| Housing Bore (MM) | 60.00 |
| Rim Shape | 711157 |
| Seal Type | Seal |
| Series | 35 |
| Type | 35 |
| Fits | Mazda · 32 vehicles |
Premium sealing design. Built for automatic transmission torque converter service with AEM (VAMAC) material.
Dimension-specific fit. Listed measurements help confirm the correct seal before installation.
Trusted brand heritage. National has delivered sealing solutions for more than 75 years.
Cross-references FZ0119241 for the same application. See all 1.
Automatic Transmission Seal Overview
National 711157 is an automatic transmission torque converter seal built for sealing performance in a range of Mazda applications. It uses AEM (VAMAC) sealing material and a premium-grade design to support consistent fluid control in the transmission assembly.
Key Features
- AEM (VAMAC) sealing material for durable sealing performance.
- Premium grade construction for transmission service applications.
- CW helix type and Series 35 design.
- Dimensions include a 1.67 in. inside diameter, 2.372 in. outside diameter, and 0.217 in. width.
- Compatible with Mazda 3, Mazda 6, CX-3, CX-5, CX-9, and CX-30 applications listed below.
Detailed Description
This National torque converter seal is engineered for automatic transmission sealing where fluid retention and rotating shaft contact are critical. The AEM (VAMAC) material is selected for sealing applications that require resistance to transmission fluid exposure, while the listed shaft, housing bore, and diameter dimensions help identify the correct service part. National 711157 is a practical choice for Mazda 3 and Mazda 6 service work, as well as listed CX-3, CX-5, CX-9, and CX-30 applications. This part cross-references FZ0119241 for the same application.
What It Is Used For
- Replacing a worn torque converter seal that allows transmission fluid seepage.
- Addressing fluid loss around the torque converter area.
- Restoring sealing integrity after transmission service.
- Reducing contamination risk from compromised transmission sealing surfaces.
Installation Notes and Tips
Verify shaft diameter, housing bore, and seal dimensions before installation. Clean the sealing surface thoroughly and inspect the mating components for wear or scoring. Confirm the application against the vehicle's transmission specifications before service.
Quality Assurance
National has supplied premium sealing solutions for more than 75 years and is recognized for engineering focused on modern vehicle applications.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2020 | Mazda | 3 | 2.5L | L4 | — |
| 2020 | Mazda | 6 | 2.5L | L4 | — |
| 2020 | Mazda | CX-3 | 2.0L | L4 | — |
| 2020 | Mazda | CX-30 | 2.5L | L4 | — |
| 2019 | Mazda | 3 | 2.5L | L4 | — |
| 2019 | Mazda | 6 | 2.5L | L4 | — |
| 2019 | Mazda | CX-3 | 2.0L | L4 | — |
| 2019 | Mazda | CX-5 | 2.5L | L4 | — |
| 2019 | Mazda | CX-9 | 2.5L | L4 | — |
| 2018 | Mazda | 3 | 2.5L | L4 | — |
| 2018 | Mazda | 6 | 2.5L | L4 | — |
| 2018 | Mazda | CX-3 | 2.0L | L4 | — |
| 2018 | Mazda | CX-5 | 2.5L | L4 | — |
| 2018 | Mazda | CX-9 | 2.5L | L4 | — |
| 2017 | Mazda | 3 | 2.5L | L4 | — |
| 2017 | Mazda | 6 | 2.5L | L4 | — |
| 2017 | Mazda | CX-3 | 2.0L | L4 | — |
| 2017 | Mazda | CX-5 | 2.5L | L4 | — |
| 2017 | Mazda | CX-9 | 2.5L | L4 | — |
| 2016 | Mazda | 3 | 2.5L | L4 | — |
| 2016 | Mazda | 6 | 2.5L | L4 | — |
| 2016 | Mazda | CX-5 | 2.5L | L4 | — |
| 2016 | Mazda | CX-9 | 2.5L | L4 | — |
| 2015 | Mazda | 3 | 2.5L | L4 | — |
| 2015 | Mazda | 6 | 2.5L | L4 | — |
| 2015 | Mazda | CX-5 | 2.5L | L4 | — |
| 2014 | Mazda | 3 | 2.5L | L4 | — |
| 2014 | Mazda | 6 | 2.5L | L4 | — |
| 2014 | Mazda | CX-5 | 2.5L | L4 | — |
| 2013 | Mazda | 3 | 2.0L | L4 | — |
| 2013 | Mazda | CX-5 | 2.0L | L4 | — |
| 2012 | Mazda | 3 | 2.0L | L4 | — |
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