1. Product Overview
This manual provides essential information for the installation, operation, and maintenance of your BDELI Ford Starter Replacement, model BD6646N. This starter is designed to meet or exceed original equipment specifications, ensuring reliable performance for compatible Ford and Lincoln vehicles.
1.1 Key Features
- Engineered for specific Ford and Lincoln models.
- Constructed with high-quality components for durability.
- Tested for performance and reliability.
1.2 Compatible Part Numbers
- 336-1937, 3361937A, 336-1937A, 3371053, 337-1053
- 4L3411000AA, 4L34-11000-AA, 5L3411000AA, 5L34-11000-AA, 5L34AA, 5L34-AA
- 5L3Z11002A, 5L3Z-11002-A, 5R3Z11002A, 5R3Z-11002-A, 6646
- 6C3T11000BA, 6C3T-11000-BA, 6C3TBA, 6C3T-BA, 6C3Z11002BA, 6C3Z-11002-BA
- 6L3411000CA, 6L34-11000-CA, 6L34CA, 6L34-CA, 6L3Z11002CA, 6L3Z-11002-CA
- 6L3Z11V002CRM1, 6L3Z-11V002-CRM1, 6R3T11000CA, 6R3T-11000-CA
- 6R3Z11002A, 6R3Z-11002-A, 6R3Z11V002ARM, 6R3Z-11V002-ARM, 7L1411000AA
- 7L14-11000-AA, 7L14AA, 7L14-AA, 7L1Z11002A, 7L1Z-11002-A
- 9L3411000AB, 9L34-11000-AB, 9L3Z11002A, 9L3Z-11002-A
- 9L3Z11002ABRM, 9L3Z-11002-ABRM, DU2Z11V002CRM, DU2Z-11V002-CRM
- F81U11000AA, F81U-11000-AA, F81U11000AB, F81U-11000-AB, F81U11000AC, F81U-11000-AC
- F81U11000AD, F81U-11000-AD, F81U11000AE, F81U-11000-AE, F81UAA, F81U-AA
- F81UAB, F81U-AB, F81UAC, F81U-AC, F81UAD, F81U-AD, F81UAE, F81U-AE
- F81Z11000AC, F81Z-11000-AC, F81Z11002AA
1.3 Vehicle Compatibility List
This starter is compatible with a wide range of Ford and Lincoln vehicles. Please verify your vehicle's make, model, engine size, and year against the list below:
- LINCOLN:
- Navigator V8 5.4L (1999-2013)
- Mark LT V8 5.4L (2006-2008)
- Blackwood V8 5.4L (2002)
- FORD:
- Mustang V8 5.4L (2007-2010)
- Mustang V8 4.6L (2005-2010)
- F53 V10 6.8L (1999-2013)
- F-550 Super Duty V10 6.8L (1999-2013)
- F-450 Super Duty V10 6.8L (1999-2013)
- F-350 Super Duty V8 6.2L (2011-2013)
- F-350 Super Duty V8 5.4L (1999-2009)
- F-350 Super Duty V10 6.8L (1999-2010)
- F-250 Super Duty V8 6.2L (2011-2013)
- F-250 Super Duty V8 5.4L (1999-2009)
- F-250 Super Duty V10 6.8L (1999-2010)
- F-250 V8 5.4L (1999)
- F-250 V8 4.6L (1999)
- F-150 Heritage V8 5.4L (2004)
- F-150 Heritage V8 4.6L (2004)
- F-150 V8 6.2L (2010-2013)
- F-150 V8 5.4L (1999-2010)
- F-150 V8 5.0L (2011-2013)
- F-150 V8 4.6L (1999-2010)
- Expedition V8 5.4L (1999-2014)
- Expedition V8 4.6L (1999-2004)
- Excursion V8 5.4L (2000-2005)
- Excursion V10 6.8L (2000-2005)
- E-450 Econoline Super Duty V10 6.8L (2002)
2. Safety Information
Automotive repair can be hazardous. Always follow these safety precautions:
- Disconnect the Battery: Always disconnect the negative (-) battery terminal before beginning any electrical work on your vehicle to prevent accidental shorts or electrical shock.
- Wear Protective Gear: Use safety glasses, gloves, and appropriate clothing to protect against injury.
- Secure Vehicle: Ensure the vehicle is on a level surface and properly supported with jack stands if working underneath. Never rely solely on a jack.
- Allow Engine to Cool: Work on a cool engine to avoid burns from hot components.
- Consult a Professional: If you are unsure about any step, consult a qualified automotive technician.
3. What's in the Box
Your package should contain the following item:
- 1 x BDELI Ford Starter Replacement (Model BD6646N)

Image 3.1: Main view of the BDELI Ford Starter Replacement.
4. Installation Guidelines
The installation of a starter motor requires mechanical knowledge and specific tools. If you are not confident in performing this procedure, it is highly recommended to seek professional assistance.
4.1 Tools and Materials (Not Included)
- Socket wrench set (metric and/or SAE, depending on vehicle)
- Extension bars and universal joints
- Battery terminal wrench
- Wire brush for cleaning terminals
- Dielectric grease (optional)
- Safety glasses and gloves
- Jack and jack stands
4.2 General Installation Steps
- Prepare Vehicle: Park the vehicle on a level surface, engage the parking brake, and allow the engine to cool completely.
- Disconnect Battery: Locate your vehicle's battery and disconnect the negative (-) terminal first, followed by the positive (+) terminal. Secure the cables away from the battery posts.
- Locate Old Starter: The starter motor is typically located on the lower part of the engine, often near the transmission bell housing. Its exact position varies by vehicle model.
- Disconnect Wiring: Carefully disconnect all electrical connections from the old starter. This usually includes a main battery cable and a smaller solenoid wire. Note their positions for reinstallation.
- Remove Mounting Bolts: Remove the bolts securing the starter motor to the engine or transmission. There are typically two or three bolts. Be aware that some bolts may be difficult to access.
- Remove Old Starter: Once all bolts and wires are disconnected, carefully remove the old starter from its mounting position. It may be heavy.
- Inspect New Starter: Compare the new BDELI starter with the old one to ensure they are identical in size, mounting points, and electrical connections.

Image 4.1: Front view of the starter showing mounting points.
- Install New Starter: Position the new BDELI starter into place and hand-tighten the mounting bolts. Ensure proper alignment before fully tightening the bolts to the manufacturer's torque specifications.
- Reconnect Wiring: Reconnect the electrical wires to the new starter. Ensure all connections are clean and secure. Apply dielectric grease if desired to prevent corrosion.

Image 4.2: Rear view of the starter showing electrical terminals.
- Reconnect Battery: Reconnect the positive (+) battery terminal first, then the negative (-) terminal. Ensure connections are tight.
- Test Operation: Attempt to start the vehicle. Listen for proper starter engagement and engine cranking.

Image 4.3: Close-up view of the starter's pinion gear.
5. Operation
The BDELI starter motor is designed for automatic operation when the ignition key is turned to the 'START' position. It engages the engine's flywheel to initiate the combustion process. Once the engine starts, the starter disengages automatically.
- Ensure the vehicle is in Park (P) or Neutral (N) before attempting to start.
- Turn the ignition key to the 'START' position and hold briefly until the engine fires.
- Avoid prolonged cranking (more than 10-15 seconds) to prevent overheating the starter. Allow a minute or two for the starter to cool between attempts.
6. Maintenance
The BDELI starter motor is a sealed unit and requires minimal maintenance. However, regular checks of related components can prolong its life and ensure reliable starting:
- Battery Condition: Ensure your vehicle's battery is in good condition and fully charged. A weak battery can strain the starter.
- Battery Cables and Terminals: Periodically inspect battery cables and terminals for corrosion, fraying, or loose connections. Clean and tighten as necessary.
- Starter Wiring: Check the wiring connected to the starter for any signs of damage, corrosion, or loose connections.
- Engine Ground: Verify that the engine's ground strap is secure and free of corrosion.
7. Troubleshooting
If you experience issues with your vehicle's starting system, consider the following common problems and solutions:
| Symptom | Possible Cause | Solution |
|---|---|---|
| No Crank, No Click | Dead battery, loose battery cables, faulty ignition switch, open circuit in starter wiring. | Check battery charge and connections. Test ignition switch. Inspect starter wiring for continuity. |
| No Crank, Single Click | Weak battery, corroded battery terminals, faulty starter solenoid, seized engine. | Charge or replace battery. Clean battery terminals. Test starter solenoid. Check if engine can be turned manually. |
| Slow Crank | Weak battery, corroded battery cables, high resistance in starter circuit, incorrect starter for application. | Test battery and charging system. Inspect and clean all battery and starter cable connections. |
| Starter Spins, Engine Does Not Crank | Faulty starter drive (bendix), damaged flywheel teeth. | Replace starter. Inspect flywheel for damage. |
If troubleshooting steps do not resolve the issue, it is recommended to consult a professional mechanic.
8. Specifications
Key technical specifications for the BDELI Ford Starter Replacement:
| Specification | Value |
|---|---|
| Brand | BDELI |
| Model Number | BD6646N |
| Manufacturer Part Number | BDSTAT6646NA |
| Material | Metal |
| Voltage | 12 Volts |
| Wattage | 1.4 KW |
| Item Weight | 4.11 Kilograms (9.04 pounds) |
| Package Dimensions | 9.76 x 6.57 x 6.1 inches |
8.1 Quality Assurance
BDELI products are manufactured in ISO 9001 and IATF 16949 certified factories, ensuring high standards of quality management. Each product undergoes rigorous quality control testing using professional equipment.

Image 8.1: Manufacturing facility adhering to ISO 9001 and IATF 16949 certifications.

Image 8.2: Professional testing of product components.
9. Warranty and Support
BDELI offers a free one-year replacement warranty from the date of purchase. If you encounter any quality issues with your BDELI starter within this period, please contact BDELI customer support for assistance.
For support or warranty claims, please refer to the contact information provided with your purchase or visit the official BDELI store on Amazon.