Starter Drive Assembly – 9 Tooth – Clockwise Rotation – 3 Spiral Splines
Replaces several OEM and aftermarket numbers commonly used on early GM and Ford applications.
Part Number: 220-12118
Tooth Count: 9
Rotation: Clockwise (CW)
Spline Type: 3 spiral splines
Inside Diameter: 0.469"
Outside Diameter: 1.00"
Overall Length: 3.661"
Material: Hardened steel
Condition: New replacement part
Arrowhead 3-303, SDR5120
Delco 1949772 (D2007), 1974427, 1985742, SDG226 / SD226
Compatible aftermarket references may include Lester 220-12118, J&N 220-12118, and related equivalents.
This starter drive is used in several Delco-Remy and Arrowhead-style starters found on:
1961–1964 Cadillac (Full-size models using Delco starters)
1961–1963 Buick (401 V8 applications)
1961 Pontiac (Tempest / Ventura V8 6.4 L)
1948–1953 Ford (226 cid 6-cyl F-Series trucks)
Various Industrial / Tractor / Marine applications using Delco 10MT-type starters
🛠️ Some online listings mention Jeep and American Motors 1969-1987 models as possible matches; verify spline, length, and rotation before assuming compatibility.
This part installs inside the starter motor (commonly called a Bendix drive).
Different vehicles that share the same starter model use the same drive.
Always confirm by comparing:
Tooth count (9T)
Shaft size and spline type (3 spiral splines)
Overall length and rotation direction
If you’re unsure, send a photo of your old drive or your starter part number for confirmation before ordering.
Brand new aftermarket part – never used or installed.
The images are of one out of several in stock of this item. The one you receive may not be the exact one used for the images, but will be the same exact part in new and unused condition.
Ships within 1 business day from Hoschton, GA in the USA.
Starter Drive 220-12118, Delco 1949772, Arrowhead 3-303, SDR5120, SD226, SDG226, D2007, Buick 401 Starter, Cadillac Starter Drive, Ford 226 Drive, GM Delco 10MT, Starter Bendix Gear