| OEM | OEM | Description | Used on |
| 37458-33 | 2514-33 | Clutch gear bushing | RL, WL, Servi-car 1934-1940. |
| 37458-41 | 2514-41 | Clutch gear bushing | 41 to 57--W & G models |
| 3746-29 | | Rear fender brace clip, left | 1929 to 1950 |
| 3746-36 | 59781-36 | Rear fender clip, left | 1937 to 1954--61", 74" & 80" twins |
| 3746-36A | | Rear fender brace clip. right | 1929 to 1950 |
| 37460-41 | 2515-41 | Clutch gear nut | 41 to 57--W & G models |
| 37462-41 | 2515-41A | Clutch gear nut lock washer | 41 to 57--W & G models |
| 37465-41 | 2512-41 | Clutch gear oil seal | 41 to 57--all W & G models |
| 37467-41 | 2521-41 | Thrust bearing & balls | WL, WLA, WLC, Servi-car 1941-1973. |
| 37474-41 | 2518-41 | Left bearing outer race | 41 to 57--all W & G models |
| 37477-41 | 2522-41 | Thrust bearing race | WL, WLA, WLC, Servi-car 1941-1973. |
| 3748-26 | 4013 | Control coil bracket bolt (2) | 1941 to 1950 |
| 3748-36 | 3986 | 5/16"-24 N.F. x 27/32" Hexagon head bolt | |
| 37480-41 | 2520-41 | Left bearing thrust washer | WL, WLA, WLC, Servi-car 1941-1973. |
| 37482-41 | 2520-41A | Left retainer washer | WL, WLA, WLC, Servi-car 1941-1973. |
| 3749-30 | 2404 | Front fender oval head bolt (2)1940 to 1950 | |
| 37496-41 | 2275-41 | Mainshaft nut (clutch side) | 41 to 57-61", 74" & 80" twins |
| 37496-65 | | Nut, mainshaft (clutch side) | 1965 to *--FL, FLH |
| 37498-41 | 2460-41 | Push rod oil seal spring ring (Replaced by 37498-41A) | |
| 37498-41A | | Push rod oil seal spring ring | 41 to 57-61", 74" & 80" twins |
| 375 | | Gear box dowel pin | |
| 3750-40M | | Bracket, frt. guard right | |
| 3750-40MA | | Bracket, left, front guard support | |
| 37503-41 | 2471-41 | Clutch nut lock washer | 41 to 57-61", 74" & 80" twins |
| 3751-34 | | Rear hinge mudguard | |
| 3751-39 | | Rear fender end hinge with fittings | 1939 to 1947 |
| 3751-41M | | Rear fender hinge | WLA 1941. |
| 3751-48 | | Rear fender end hinge with fittings | 1948 to 1950 |
| 3752-30 | | Fender hinge pin | 1930 to 1950 |
| 37523-15 | 2470-15 | Clutch key | 15 to 57-61", 74" & 80" twins |
| 3754 | 1123-29 | 1/4"-24 N.S. x 5/8" Hexagon head bolt | |
| 37549-41 | | Lining, hub friction disc | 1941 to "--FL, FLH |
| 37549-41T | | Clutch hub lining | UL, Knucklehead, Panhead, FL, FLH 1941-ea |
| 37550-41 | 2472-41 | Clutch hub assembly | 41 to 57-61", 74" & 80" twins |
| 37550-41B | | Clutch hub assembly | 1941 to *--FL, FLH |
| 37551-41 | 2472-41A | Clutch hub assembly | 41 to 57--W & G models |
| 37566-58 | | Clutch roller retainer | FL, FLH, FLH-80, Classic 1958-early 84. Panhead |
| 37567-41 | 2473-41 | Clutch hub ball bearing retainer | 41 to 57-61", 74" & 80" twins |
| 37567-41A | | Retainer, clutch hub roller - with rollers | 1958 to *--FL, FLH |
| 37568-41 | 2473-41A | Clutch hub ball bearing retainer | 41 to 57--W & G models |
| 3757-26 | | Front fender flap | 1940 to 1949 |
| 37574-44 | 2474-44 | Clutch hub bearing plate spring (2) | 44 to 57--all twins |
| 37576-41 | 2475-41 | Clutch hub bearing plate | 41 to 57-61", 74" & 80" twins |
| 37577-41 | 2475-41A | Clutch hub bearing plate | 41 to 57--W & G models |
| 37581-47 | 2476-47 | Clutch drive hub stud nut (3) | 47 to 57--all twins |
| 37583-41 | 2477-41 | Clutch drive hub stud (3) | 41 to 57-61", 74" & 80" twins |
| 37584-41 | 2477-41A | Clutch drive hub stud (3) | 41 to 57--W & G models |