Picture and Parts List Supplied by Terry Kulchycki
| From a 1935 Durant Parts Catalog, the following is listed: | |||
| Part Number | Name & Description | For Models | Price |
| 26145 | Gas Tank Cap – aluminum, for tank on rear | C,F,M,M2,R,S3,T | .20 |
| 20112 | Gas Tank Cap – die cast, threaded for tank under seat | C,CC,L,M,M2,X,401 | .25 |
| 26316 | Gas Tank Cap – Bakelite, threaded with “D” monogram | M,M2,M4,40,55,60,63,75 | .25 |
| 26789 | Gas Tank Cap – black | 60,63,66,70,614 | .25 |
| 27710 | Gas Tank Cap – black | 406,407,610,612,615,616,617,619 | .25 |