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MPA Electrical 6646SN Starter Motor
Reliable Starter for Ford and Lincoln Vehicles
The MPA Electrical New 6646SN starter is designed to provide dependable starting power for a range of Ford and Lincoln models. Featuring a permanent magnet gear reduction design, this 12-volt starter delivers efficient performance and durability for your vehicle's electrical system.
- Permanent magnet gear reduction design for improved efficiency
- 1.4 kW power rating suitable for heavy-duty starting
- Clockwise rotation with 12 teeth for precise engagement
- Compatible with 12-volt electrical systems
- OEM manufacturer: Ford
Product Line Details: MPA Electrical New Series
The New product line from MPA Electrical focuses on delivering updated and reliable electrical components tailored for modern vehicle requirements. The 6646SN starter is part of this line, ensuring compatibility and performance that meet or exceed factory specifications for Ford and Lincoln vehicles.
Technical Description and Compatibility
This starter features a permanent magnet gear reduction design, which enhances torque output while reducing the overall size and weight of the unit. With a 1.4 kW rating, it provides sufficient power to start engines efficiently. The clockwise rotation and 12 teeth on the pinion gear ensure proper meshing with the flywheel, minimizing wear and improving longevity. Designed for 12-volt systems, this starter is compatible with various Ford and Lincoln models including the Blackwood, Excursion, Expedition, F-150 (including Heritage), F-250 and F-250 Super Duty, F-350 and F-350 Super Duty, Mark LT, Mustang, and Navigator.
Common Applications and Problem Resolution
- Replaces faulty or worn-out starters in Ford and Lincoln trucks and SUVs
- Addresses issues with engine cranking failure or slow starts
- Resolves starter noise caused by gear misalignment or wear
- Improves starting reliability in cold weather conditions
- Eliminates intermittent starting problems due to electrical faults
Installation Notes and Tips
Ensure the vehicle battery is fully charged before installation. Disconnect the negative battery terminal to prevent electrical shorts. Verify the starter rotation and teeth count match the original unit. Tighten mounting bolts to manufacturer torque specifications. After installation, test the starter operation to confirm proper engagement and engine start.
Quality Assurance and Warranty
The MPA Electrical New 6646SN starter is manufactured to meet OEM standards, ensuring reliable performance and durability. While specific warranty details are not provided, products in the New line typically undergo rigorous quality control to maintain consistency and fitment accuracy for Ford and Lincoln vehicles.
| Brand | MPA Electrical |
|---|---|
| Part Number | 6646SN |
| Position | New |
| Design | Permanent Magnet Gear Reduction |
| Manufacturer | Ford |
| Rotation | Clockwise |
| Teeth | 12 |
| Volts | 12 Volts |
| kW Rating | 1.4 kW |
This part fits 176 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2014 | Ford | Mustang | 5.0L | V8 | N/A | New |
| 2014 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | F-150 | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | F-150 | 5.0L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2013 | Ford | Mustang | 5.8L | V8 | N/A | New |
| 2013 | Ford | Mustang | 5.0L | V8 | N/A | New |
| 2013 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2012 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2012 | Ford | F-150 | 6.2L | V8 | N/A | New |
| 2012 | Ford | F-150 | 5.0L | V8 | N/A | New |
| 2012 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2012 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2012 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2012 | Ford | Mustang | 5.0L | V8 | N/A | New |
| 2012 | Lincoln | Mark LT | 5.0L | V8 | N/A | New |
| 2012 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2011 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2011 | Ford | F-150 | 6.2L | V8 | N/A | New |
| 2011 | Ford | F-150 | 5.0L | V8 | N/A | New |
| 2011 | Ford | F-250 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2011 | Ford | F-350 | 6.2L | V8 | N/A | New |
| 2011 | Ford | F-350 Super Duty | 6.2L | V8 | N/A | w/ Ford Starter; New |
| 2011 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2011 | Ford | Mustang | 5.0L | V8 | N/A | New |
| 2011 | Lincoln | Mark LT | 5.0L | V8 | N/A | New |
| 2011 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2010 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2010 | Ford | F-150 | 6.2L | V8 | N/A | New |
| 2010 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2010 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2010 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | New |
| 2010 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2010 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2010 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2010 | Lincoln | Mark LT | 5.4L | V8 | N/A | New |
| 2010 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2009 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2009 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2009 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2009 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2009 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2009 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | To 12/16/2008; New |
| 2009 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2009 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | To 12/16/2008; New |
| 2009 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2009 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2009 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2008 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2008 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2008 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2008 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2008 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2008 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2008 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2008 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2008 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2008 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2008 | Lincoln | Mark LT | 5.4L | V8 | N/A | New |
| 2008 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2007 | Ford | Expedition | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2007 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2007 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2007 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2007 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2007 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2007 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2007 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2007 | Ford | Mustang | 5.4L | V8 | N/A | New |
| 2007 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2007 | Lincoln | Mark LT | 5.4L | V8 | N/A | New |
| 2007 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2006 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2006 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2006 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2006 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2006 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2006 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2006 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2006 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2006 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2006 | Lincoln | Mark LT | 5.4L | V8 | N/A | New |
| 2006 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2005 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2005 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2005 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2005 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2005 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2005 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2005 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2005 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2005 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2005 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2005 | Ford | Mustang | 4.6L | V8 | N/A | New |
| 2005 | Lincoln | Navigator | 5.4L | V8 | N/A | w/ Ford Starter; New |
| 2004 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2004 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2004 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2004 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 2004 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2004 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2004 | Ford | F-150 Heritage | 5.4L | V8 | N/A | New |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | N/A | New |
| 2004 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2004 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | New |
| 2004 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2004 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2004 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2004 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
| 2003 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2003 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2003 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2003 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 2003 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2003 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2003 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2003 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | New |
| 2003 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2003 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2003 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2003 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
| 2002 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2002 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2002 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2002 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 2002 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2002 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2002 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2002 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | New |
| 2002 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2002 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2002 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2002 | Lincoln | Blackwood | 5.4L | V8 | N/A | New |
| 2002 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
| 2001 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2001 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2001 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2001 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 2001 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2001 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2001 | Ford | F-250 | 5.4L | V8 | N/A | New |
| 2001 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2001 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | New |
| 2001 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2001 | Ford | F-350 | 5.4L | V8 | N/A | New |
| 2001 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2001 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2001 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
| 2000 | Ford | Excursion | 6.8L | V10 | N/A | New |
| 2000 | Ford | Excursion | 5.4L | V8 | N/A | New |
| 2000 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 2000 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 2000 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 2000 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 2000 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 2000 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 2000 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 2000 | Ford | F-350 | 5.4L | V8 | N/A | New |
| 2000 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | New |
| 2000 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 2000 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
| 1999 | Ford | Expedition | 5.4L | V8 | N/A | New |
| 1999 | Ford | Expedition | 4.6L | V8 | N/A | New |
| 1999 | Ford | F-150 | 5.4L | V8 | N/A | New |
| 1999 | Ford | F-150 | 4.6L | V8 | N/A | New |
| 1999 | Ford | F-250 | 5.4L | V8 | N/A | New |
| 1999 | Ford | F-250 | 4.6L | V8 | N/A | New |
| 1999 | Ford | F-250 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 1999 | Ford | F-250 Super Duty | 5.4L | V8 | N/A | New |
| 1999 | Ford | F-350 | 5.4L | V8 | N/A | New |
| 1999 | Ford | F-350 Super Duty | 6.8L | V10 | N/A | To 12/16/2008; New |
| 1999 | Ford | F-350 Super Duty | 5.4L | V8 | N/A | New |
| 1999 | Lincoln | Navigator | 5.4L | V8 | N/A | New |
* 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.