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WAI 6646N Starter
Reliable Starter for Ford, Lincoln, and Suzuki Vehicles
The WAI 6646N starter is engineered to provide dependable starting power for a range of Ford, Lincoln, and Suzuki models. Featuring a permanent magnet gear reduction design, this starter ensures efficient operation and consistent performance for your vehicle's electrical system.
- Permanent magnet gear reduction design for improved efficiency
- 12-tooth pinion gear for precise engagement
- Clockwise (right) starter rotation compatible with specific vehicle models
- Flange mounting type for secure installation
- Power rating of 1.4 kW suitable for heavy-duty applications
Technical Details and Compatibility
The WAI 6646N starter is designed with a 12-tooth pinion gear and a clockwise rotation, making it compatible with various Ford, Lincoln, and Suzuki vehicles. Its flange mounting type allows for a secure fit, while the permanent magnet gear reduction design enhances torque output and reduces electrical load. This starter is rated at 1.4 kW, providing sufficient power for demanding starting conditions. Compatible models include Ford F-150, F-250 Super Duty, F-350 Super Duty, Expedition, Excursion, Mustang, Lincoln Navigator, Mark LT, Suzuki Swift, and Blackwood.
Applications and Problem Resolution
- Replaces faulty or worn-out starters in Ford F-150 and F-250 Super Duty trucks
- Restores reliable engine cranking in Lincoln Navigator and Mark LT vehicles
- Addresses slow or inconsistent starting issues in Suzuki Swift and Blackwood models
- Improves starting performance in Ford Mustang and Expedition
- Suitable for heavy-duty use in Ford Excursion and F-350 Super Duty
Installation Notes and Tips
Ensure the starter rotation matches the vehicle’s requirements; the WAI 6646N features clockwise rotation. Verify the flange mounting type aligns with your vehicle’s starter mounting points. It is recommended to disconnect the battery before installation to prevent electrical shorts. Proper torque specifications should be followed when securing the starter to avoid damage.
Quality Assurance and Warranty
WAI starters are manufactured to meet OEM standards, ensuring reliable performance and durability. The 6646N starter undergoes rigorous testing to confirm compatibility and operational efficiency. Please refer to WAI’s warranty policy for specific coverage details.
| Brand | WAI |
| Part Number | 6646N |
| 12 | 12 |
| Design | Permanent magnet gear reduction |
| Family | Ford |
| Power Rating | 1.4 |
| Starter Rotation | Clockwise (right) |
| Tooth Quantity | 12 |
| Mounting Type | Flange |
This part fits 113 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Ford | Expedition | N/A | Ford Replacement Unit | ||
| 2014 | Ford | Mustang | 5.0L | V8 | N/A | Ford PMGR, 12T |
| 2014 | Lincoln | Navigator | N/A | With Ford PMGR, 12T | ||
| 2013 | Ford | Expedition | N/A | Ford Unit | ||
| 2013 | Ford | F-150 | 5.0L | V8 | N/A | To 11/15/2012 |
| 2013 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | To 11/15/2012 |
| 2013 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | To 11/15/2012 |
| 2013 | Ford | Mustang | 5.0L | V8 | N/A | Ford PMGR, 12T |
| 2013 | Lincoln | Navigator | N/A | Ford Unit | ||
| 2012 | Ford | Expedition | N/A | |||
| 2012 | Ford | F-150 | 5.0L | V8 | N/A | |
| 2012 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | |
| 2012 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | |
| 2012 | Ford | Mustang | 5.0L | V8 | N/A | Ford PMGR, 12T |
| 2012 | Lincoln | Navigator | N/A | |||
| 2011 | Ford | Expedition | N/A | |||
| 2011 | Ford | F-150 | 5.0L | V8 | N/A | |
| 2011 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | |
| 2011 | Ford | F-350 | N/A | Mexico | ||
| 2011 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | |
| 2011 | Ford | Mustang | 5.0L | V8 | N/A | Ford PMGR, 12T |
| 2011 | Lincoln | Navigator | N/A | |||
| 2010 | Ford | Expedition | N/A | |||
| 2010 | Ford | F-150 | 6.2L | V8 | N/A | |
| 2010 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2010 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2010 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2010 | Lincoln | Navigator | N/A | |||
| 2009 | Ford | Expedition | N/A | |||
| 2009 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2009 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | wo/Nose Cone |
| 2009 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | wo/Nose Cone |
| 2009 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2009 | Lincoln | Navigator | N/A | |||
| 2008 | Ford | Expedition | N/A | |||
| 2008 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2008 | Ford | F-250 | N/A | |||
| 2008 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2008 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2008 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2008 | Lincoln | Mark LT | N/A | |||
| 2008 | Lincoln | Navigator | N/A | |||
| 2008 | Suzuki | Swift | N/A | Mexico | ||
| 2007 | Ford | Expedition | N/A | |||
| 2007 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2007 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2007 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2007 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2007 | Lincoln | Mark LT | N/A | |||
| 2007 | Lincoln | Navigator | N/A | |||
| 2006 | Ford | Expedition | N/A | |||
| 2006 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2006 | Ford | F-250 | N/A | Mexico | ||
| 2006 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2006 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2006 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2006 | Lincoln | Mark LT | N/A | |||
| 2006 | Lincoln | Navigator | N/A | |||
| 2005 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2005 | Ford | Expedition | N/A | |||
| 2005 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2005 | Ford | F-250 | N/A | Mexico | ||
| 2005 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2005 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2005 | Ford | Mustang | 4.6L | V8 | N/A | |
| 2005 | Lincoln | Navigator | N/A | |||
| 2004 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2004 | Ford | Expedition | 4.6L | V8 | N/A | |
| 2004 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | N/A | |
| 2004 | Ford | F-250 | N/A | Mexico | ||
| 2004 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2004 | Ford | F-350 | N/A | Mexico | ||
| 2004 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2004 | Lincoln | Navigator | N/A | |||
| 2003 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2003 | Ford | Expedition | 4.6L | V8 | N/A | |
| 2003 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2003 | Ford | F-250 | N/A | Mexico | ||
| 2003 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2003 | Ford | F-350 | N/A | Mexico | ||
| 2003 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2003 | Lincoln | Navigator | N/A | |||
| 2002 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2002 | Ford | Expedition | 4.6L | V8 | N/A | |
| 2002 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2002 | Ford | F-250 | N/A | Mexico | ||
| 2002 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2002 | Ford | F-350 | N/A | Mexico | ||
| 2002 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2002 | Lincoln | Blackwood | N/A | |||
| 2002 | Lincoln | Navigator | N/A | |||
| 2001 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2001 | Ford | Expedition | 4.6L | V8 | N/A | |
| 2001 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2001 | Ford | F-250 | 4.6L | V8 | N/A | Mexico |
| 2001 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2001 | Ford | F-350 | N/A | Mexico | ||
| 2001 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2001 | Lincoln | Navigator | N/A | |||
| 2000 | Ford | Excursion | 6.8L | V10 | N/A | |
| 2000 | Ford | Expedition | 4.6L | V8 | N/A | |
| 2000 | Ford | F-150 | 4.6L | V8 | N/A | |
| 2000 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 2000 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 2000 | Lincoln | Navigator | N/A | |||
| 1999 | Ford | Expedition | 4.6L | V8 | N/A | |
| 1999 | Ford | F-150 | 4.6L | V8 | N/A | |
| 1999 | Ford | F-250 | 4.6L | V8 | N/A | |
| 1999 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | |
| 1999 | Ford | F-350 | N/A | Mexico | ||
| 1999 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | |
| 1999 | Lincoln | Navigator | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.