Product Positioning
This starter motor replacement is intended for aftermarket starting system repair where the original unit matches Lester 6646 or related Ford reference numbers such as F81U-11000-AA, F81Z-11002-AA, and YC3U-11000-AA.
Unlike small passenger-car starter applications, this model is often associated with light truck, SUV, and Super Duty service demand. Its 12V 1.4kW output, 12-tooth drive, CW rotation, and 76mm flange diameter make it a useful catalog item for parts suppliers serving older Ford and Lincoln truck platforms.
This product is an aftermarket replacement component. Referenced brand names, vehicle names, and part numbers are used only for compatibility identification and cross-reference purposes.
Core Product Data
| Item | Specification |
|---|
| Product Type | Starter Motor Replacement |
| Starter Family Reference | Ford PMGR-type application |
| Lester No. | 6646 |
| Main Reference No. | F81U-11000-AA |
| Voltage | 12V |
| Power Output | 1.4kW |
| Teeth | 12T |
| Rotation | CW |
| Flange Diameter | 76mm |
| Supply Type | Brand-new aftermarket replacement |
| Application Range | Auto, light truck, and selected medium/heavy-duty truck applications |
Why This Model Matters for Parts Programs
The Lester 6646 / F81U-11000-AA starter motor replacement is valuable for aftermarket programs because it covers a broad range of older Ford and Lincoln truck-related applications. These vehicles are still commonly maintained in repair shops, used fleets, construction support operations, utility service channels, and regional parts markets.
For distributors, this model can help cover demand from:
Light truck repair shops
Pickup and SUV maintenance channels
Super Duty truck parts suppliers
Fleet service centers
Importers serving Ford-platform replacement demand
Catalog-based aftermarket parts businesses
Regional wholesalers handling starter motor replacement programs
Technical Matching Details
12-Tooth Drive Gear
This model uses a 12T drive configuration. Teeth count is one of the most important matching points for starter motor replacement because the drive gear must engage correctly with the matching flywheel or ring gear system.
1.4kW Starting Output
The 12V 1.4kW specification provides a matched starting output for compatible applications. Buyers should avoid selecting a starter only by vehicle model and should also compare the power rating and original unit reference number.
Clockwise Rotation
The CW rotation specification must be confirmed before ordering. A mismatch in rotation direction can result in incorrect starting operation, even when the general vehicle application appears similar.
76mm Flange Diameter
The 76mm flange diameter helps identify the correct mounting configuration. For truck and Super Duty applications, confirming the flange and mounting position is especially important before bulk purchase.
Ford PMGR-Type Application Reference
This model is associated with a Ford PMGR-type starter application family. For sourcing purposes, buyers should use this as a catalog reference and still confirm the original part number, mounting points, drive gear, and vehicle application before ordering.
Replacement Selection Guide
When sourcing this starter motor replacement, buyers should check the following details in sequence:
Confirm whether the original unit matches Lester 6646 or one of the listed Ford reference numbers.
Verify the starter voltage is 12V.
Confirm the power output requirement is 1.4kW.
Check whether the original starter uses a 12-tooth drive.
Confirm CW rotation.
Measure or compare the 76mm flange diameter.
Compare mounting ears, bolt position, terminal layout, and overall housing shape.
Verify vehicle make, model, engine, and production year.
Provide photos of the original unit for confirmation if the number plate is unclear.
Contact ATL Motor
Need a 12V 1.4kW 12T starter motor replacement cross-referenced with Lester 6646 or F81U-11000-AA? Contact ATL Motor with your required part number, vehicle application, or original unit photos. Our team can help check compatibility and recommend suitable starter motor replacement solutions for your market.
FAQ
Q1. What are the key specifications of this starter motor replacement?
A: The main specifications are 12V voltage, 1.4kW power output, 12 teeth, CW rotation, and 76mm flange diameter.
Q2. Which reference numbers are most important for matching?
A: The most important references include Lester 6646, F81U-11000-AA, F81U-11000-AB, F81U-11000-AC, F81U-11000-AD, F81U-11000-AE, F81Z-11002-AA, F81Z-11002-AC, YC3U-11000-AA, YC3U-11000-AB, YC3U-11000-AC, and Motorcraft reference SA-873.
Q3. What vehicle types is this model commonly associated with?
A: This model is commonly associated with selected Ford and Lincoln light truck, SUV, pickup, Super Duty, and medium/heavy-duty truck applications, including Ford F-Series, Excursion, Expedition, E-450, F-450, F-550, and Lincoln Navigator applications.
Q4. Can this starter motor be used for fleet maintenance supply?
A: Yes. Because this model covers several truck and Super Duty applications, it can be suitable for aftermarket fleet maintenance suppliers, truck repair channels, and regional parts distributors. Fitment should always be confirmed by part number and configuration.
Q5.How can buyers avoid ordering the wrong starter motor?
A: Please confirm the original starter part number, teeth count, voltage, power output, rotation direction, flange diameter, mounting points, terminal position, and vehicle application. If possible, provide photos of the removed starter motor.
