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SKF 12840A Automatic Transmission Output Shaft Seal - Right
| Brand | SKF 12840A |
|---|---|
| Position | Right |
| Width | 0.368 |
| Outside Diameter | 2.335 |
| Sealing Surface Type | Polyacrylate |
| Shaft Diameter | 1.299 |
| Fits | Nissan · 10 vehicles |
Precision seal design. Made with premium materials for the right properties in demanding environments.
Polyacrylate sealing surface. Helps keep lubricants in and contaminants out.
Transmission seal. Built for sealing performance in a transmission gasket and sealing system.
Cross-references 383423WX0B for the same application. See all 1.
SKF 12840A Automatic Transmission Output Shaft Seal
SKF 12840A is an automatic transmission output shaft seal built for the right-side applications listed below. It is designed with a polyacrylate sealing surface and precise dimensions to help maintain a tight seal at the transmission output shaft.
For 2013-2015 Nissan Murano, 2013-2015 Nissan Pathfinder, 2013-2014 Nissan Altima, and 2013-2014 Nissan Maxima, this SKF transmission seal supports clean fluid retention at the output shaft area. The SKF 12840A part number is a direct reference for buyers searching by OE-style seal dimensions and vehicle fitment.
Key Features
- Automatic transmission output shaft seal for right-side applications
- Polyacrylate sealing surface type
- Outside diameter: 2.335 in.
- Shaft diameter: 1.299 in.
- Width: 0.368 in.
- SKF 12840A part number for catalog matching and cross-reference searches
Detailed Description
SKF has a long history in shaft seal engineering, and this seal reflects that experience with application-specific design and premium material selection. The measured dimensions help support proper fit at the transmission output shaft, while the polyacrylate sealing surface is selected for sealing performance in automotive transmission environments. Buyers looking for an SKF 12840A automatic transmission output shaft seal for Nissan Murano, Pathfinder, Altima, or Maxima can use this part number to match the correct right-side application.
This part cross-references 383423WX0B for the same application.
What It Helps Address
- Transmission fluid seepage at the output shaft seal area
- Fluid loss from a worn or hardened seal
- Contamination entering the transmission through a damaged seal
- Leak-related drivability concerns tied to low transmission fluid level
- Service replacement needs on right-side Nissan transmission applications
Installation Notes and Tips
Confirm the vehicle year, model, and right-side application before installation. Inspect the shaft surface and seal bore for wear, scoring, or debris before fitting the new seal. Clean the sealing area thoroughly and verify that the seal seats evenly to help prevent leaks after service.
Quality Assurance
SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The brand’s seal engineering background supports consistent fit and sealing performance for transmission service work.
- Fits 2013-2015 Nissan Murano, right
- Fits 2013-2015 Nissan Pathfinder, right
- Fits 2013-2014 Nissan Altima, right, thru 4/30/14
- Fits 2013-2014 Nissan Maxima, right
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Nissan | Murano | FWD | — | — | Right | — |
| 2015 | Nissan | Pathfinder | — | — | — | Right | — |
| 2014 | Nissan | Altima | — | 3.5L | V6 | Right | Thru 4/30/14: |
| 2014 | Nissan | Maxima | — | — | — | Right | — |
| 2014 | Nissan | Murano | FWD | — | — | Right | — |
| 2014 | Nissan | Pathfinder | — | — | — | Right | — |
| 2013 | Nissan | Altima | — | 3.5L | V6 | Right | Thru 4/30/14: |
| 2013 | Nissan | Maxima | — | — | — | Right | — |
| 2013 | Nissan | Murano | FWD | — | — | Right | — |
| 2013 | Nissan | Pathfinder | — | — | — | Right | — |
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