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SKF 21740 Engine Timing Cover Seal - Front or Front Inner
| Brand | SKF 21740 |
|---|---|
| Position | Front Inner and Front |
| Width | 0.310 |
| Outside Diameter | 2.680 |
| Sealing Surface Type | Polyacrylate |
| Shaft Diameter | 2.165 |
| Product line | Wheel Seal - Front Inner |
| Fits | BMW and Nissan · 69 vehicles |
Precision seal design. Built to specific dimensions for accurate sealing contact and fit.
Polyacrylate surface. Selected sealing material helps maintain contact at the shaft interface.
SKF engineering. Backed by more than a century of seal development and manufacturing experience.
Cross-references 11142249534 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Timing Cover Seal Overview
SKF 21740 is an engine timing cover seal built around precise sealing dimensions and a polyacrylate sealing surface. It is listed for a wide range of BMW and Nissan applications, including front inner and front positions where sealing integrity is critical.
Key Features
- Polyacrylate sealing surface for consistent contact and sealing performance.
- Precision dimensions: 0.310 in. width, 2.680 in. outside diameter, and 2.165 in. shaft diameter.
- Engine sealing component for applications that require controlled lubricant retention and contamination control.
- SKF seal engineering backed by long-standing sealing design and manufacturing experience.
Detailed Description
SKF 21740 is a timing cover seal engineered to maintain a tight seal at the specified shaft interface. The polyacrylate sealing surface is selected for the application environment, while the measured dimensions help ensure proper fit and sealing contact. This part number is used across select BMW X5 and BMW 335d applications, as well as multiple Nissan models including Sentra, 200SX, Lucino, Tsubame, Tsuru, and NX. If you are sourcing an SKF 21740 seal for a BMW X5 or Nissan Sentra timing cover repair, verify the listed position and dimensions before installation. This part cross-references 11142249534 for the same application.
Common Issues This Part May Address
- Oil seepage at the timing cover seal area.
- Contamination entering the sealed engine interface.
- Loss of sealing contact from wear or age.
- Leak-related maintenance on specified BMW and Nissan applications.
Installation Notes and Tips
Confirm shaft diameter, outside diameter, and width against the original seal before installation. Clean the sealing bore and shaft surface thoroughly, and inspect for scoring or wear that could affect sealing performance. Use the fitment table to match the correct year, make, model, and position for SKF 21740.
Quality Assurance
SKF has a long history in seal design and manufacturing, with products built to specific designs and quality standards for long service life and safety.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2013 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2012 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2012 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2011 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| 2011 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2011 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2010 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| 2010 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2010 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2009 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| 2009 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2009 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2008 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2007 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2006 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2005 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2004 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 2004 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2003 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 2003 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2002 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 2002 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2001 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 2001 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 2000 | Nissan | Lucino | — | — | — | Front Inner | — |
| 2000 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 2000 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1999 | Nissan | Lucino | — | — | — | Front Inner | — |
| 1999 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1999 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 1999 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1998 | Nissan | 200SX | — | — | — | Front Inner | — |
| 1998 | Nissan | Lucino | — | — | — | Front Inner | — |
| 1998 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1998 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 1998 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1997 | Nissan | 200SX | — | — | — | Front Inner | — |
| 1997 | Nissan | Lucino | — | — | — | Front Inner | — |
| 1997 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1997 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 1997 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1996 | Nissan | 200SX | — | — | — | Front Inner | — |
| 1996 | Nissan | Lucino | — | — | — | Front Inner | — |
| 1996 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1996 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 1996 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1995 | Nissan | 200SX | — | — | — | Front Inner | — |
| 1995 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1995 | Nissan | Tsubame | — | — | — | Front Inner | — |
| 1995 | Nissan | Tsuru | — | — | — | Front Inner | — |
| 1994 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1994 | Nissan | Tsubame | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1994 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1993 | Nissan | NX | — | — | — | Front | — |
| 1993 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1993 | Nissan | Tsubame | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1993 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1992 | Nissan | NX | — | — | — | Front | — |
| 1992 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1992 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1991 | Nissan | NX | — | — | — | Front | — |
| 1991 | Nissan | Sentra | — | — | — | Front Inner | — |
| 1991 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1990 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1989 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1988 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1987 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
| 1986 | Nissan | Tsuru | — | — | — | Front Inner | Wheel Seal - Front Inner |
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