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National 711137 Automatic Transmission Extension Housing Seal - Transmission Extension Housing To Transmission
| Brand | National 711137 |
|---|---|
| Position | Transmission Extension Housing To Transmission |
| Grade Type | Premium |
| Fits | Ford and Lincoln · 25 vehicles |
Premium sealing solution. Built for dependable transmission sealing performance.
Automatic transmission seal for the extension housing.
Trusted brand heritage. National has delivered sealing solutions for more than 75 years.
Cross-references HL3Z7052B for the same application. See all 1.
Premium Transmission Extension Housing Seal
National 711137 is a premium automatic transmission extension housing seal built for the transmission extension housing to transmission interface. It is made for direct replacement service on select Ford and Lincoln applications, including Ford F-150, Ford Expedition, Ford Ranger, and Lincoln Navigator models.
National has focused on sealing solutions for more than 75 years, and this part reflects that experience with a premium-grade design for modern driveline service. Part number 711137 is also a direct cross-reference for HL3Z7052B.
Key Features
- Premium-grade automatic transmission extension housing seal
- Seals the transmission extension housing to transmission connection
- Direct-fit service part for select Ford and Lincoln vehicles
- Built from National’s long-running sealing product expertise
- Part number 711137 for easy identification and ordering
Vehicle Fitment
- Fits 2018-2023 Ford Expedition, transmission extension housing to transmission.
- Fits 2017-2023 Ford F-150, transmission extension housing to transmission.
- Fits 2019-2022 Ford Ranger, transmission extension housing to transmission.
- Fits 2018-2022 Lincoln Navigator, transmission extension housing to transmission.
What It Helps Address
- Transmission fluid seepage at the extension housing joint
- Leak paths between the transmission and extension housing
- Seal wear from age, heat, and fluid exposure
- Service issues during transmission tail housing repair
- Replacement needs for Ford F-150, Ford Expedition, Ford Ranger, and Lincoln Navigator driveline service
Installation Notes and Tips
Confirm the transmission extension housing to transmission application before installation. Clean the sealing surfaces thoroughly, inspect the mating components for damage, and replace the seal during service if leakage or hardening is present. Verify fitment by vehicle year, make, model, and transmission configuration before final assembly.
Quality Assurance
National has supplied premium sealing solutions for more than 75 years and continues to develop parts for current vehicle platforms. Part number 711137 is engineered for the listed applications and cross-references HL3Z7052B.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2023 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2022 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2022 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2022 | Ford | Police Interceptor Utility | — | — | — | Transmission Extension Housing To Transmission | — |
| 2022 | Ford | Ranger | 2.3L | L4 | GAS | Transmission Extension Housing To Transmission | — |
| 2022 | Lincoln | Navigator | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2021 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2021 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2021 | Ford | Police Interceptor Utility | — | — | — | Transmission Extension Housing To Transmission | — |
| 2021 | Ford | Ranger | 2.3L | L4 | GAS | Transmission Extension Housing To Transmission | — |
| 2021 | Lincoln | Navigator | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2020 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2020 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2020 | Ford | Police Interceptor Utility | — | — | — | Transmission Extension Housing To Transmission | — |
| 2020 | Ford | Ranger | 2.3L | L4 | GAS | Transmission Extension Housing To Transmission | — |
| 2020 | Lincoln | Navigator | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2019 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2019 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2019 | Ford | Ranger | 2.3L | L4 | GAS | Transmission Extension Housing To Transmission | — |
| 2019 | Lincoln | Navigator | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2018 | Ford | Expedition | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2018 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
| 2018 | Lincoln | Navigator | 3.5L | V6 | GAS | Transmission Extension Housing To Transmission | — |
| 2017 | Ford | F-150 | — | — | — | Transmission Extension Housing To Transmission | — |
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