Singer Gear #422395 (Gear ONLY #39). Part #40, 41, 42 are NO LONGER AVAILABLE. All nylon type gear, gear is secured by fitting on split-end shaft. Companion gear #103361. This was a transition period, some models did not use gear #422395. Please identify your machine correctly; some models used gear #103361 with gear #103363. Some models used horizontal timing belt #37977. Some models used vertical timing belt 423107-001 (421035-001). None of the above combinations are interchangeable, you MUST stay with your original design.
Fits the following Singer sewing machine models
1485, 1486, 1488, 1490, 17441, 2102, 2105, 2106, 2108, 2112, 2114, 2118, 2210, 7100-series, 8500-series, 8600-series, 8700-series, 8734, 8834, 9500-series, 9600-series, some 6100-series, 1482