WAI 6669N Starter

Starter for Ford Super Duty and E-Series

WAI Part Number 6669N is a new starter built for Ford truck and van applications that need reliable cranking power. It uses an offset gear reduction design, clockwise rotation, and a 3.5 kW power rating to support starting performance in demanding electrical systems.

Compatible With 2001-2003 Ford Excursion, 2001-2003 Ford F-250 Super Duty, 2001-2003 Ford F-350 Super Duty, 2001-2002 Ford E-350 Econoline Club Wagon, and 2003 Ford E-350 Club Wagon. This starter is also a direct reference for Ford service numbers commonly associated with these applications, including 1C2Z-11002-AA and 1C3U-11000-AA.

Key Features

• WAI starter, Part Number 6669N
• 100% new construction, not remanufactured
• Offset gear reduction design for efficient cranking
• 3.5 kW power rating
• Clockwise (right) starter rotation
• 12-tooth drive
• Flange mounting type
• Built for Ford applications

Product Details

WAI engineers these starters with proprietary components and manufacturing processes to support long service life and consistent performance. The 6669N is built as a new unit for Ford Excursion, F-250 Super Duty, F-350 Super Duty, and E-350 Econoline Club Wagon applications where the original starter uses the same mounting and drive configuration. The offset gear reduction layout helps deliver the amp output needed for modern vehicle starting demands.

Common Problems This Starter Can Address

• Slow or weak engine cranking
• No-start condition caused by starter failure
• Intermittent starter engagement
• Grinding or improper drive engagement from a worn starter
• Electrical starting issues tied to an aging OE unit

Installation Notes and Tips

Verify the original starter’s mounting style, rotation, tooth count, and electrical connection before installation. This unit uses flange mounting and a 12-tooth drive, so matching the OE configuration is important for proper engagement. Confirm vehicle application details for 2001-2003 Ford Excursion, F-250 Super Duty, F-350 Super Duty, and E-Series fitment before replacement.

Quality Assurance

WAI builds this starter as a new replacement unit using proprietary components and processes to support durability and performance. It is manufactured to meet the starting demands of Ford truck and van applications without using remanufactured core components.