| OEM | OEM | Description | Used on |
| 74521-48 | | Voltage regulator mounting bracket kit | 49 to 57 |
| 74524-48 | | Voltage regulator mounting plate | 49 to late 51 |
| 74524-52 | | Voltage regulator mounting plate | Late 51 to 57 |
| 74527-48 | | Voltage regulator stud | 1948 to 1954--OHV, 1948 to 1954--Servi-Cars--Two way radio |
| 74527-52 | | Voltage regulator mounting plate stud (2) | Late 51 to 57 |
| 74529-42 | 8377-42 | Voltage regulator bracket | 1942 to 1948 |
| 74531-58 | | Support, regulator | 1958 to 1964 -- FL, FLH |
| 74533-70A | | BRACKET, regulator | 70 to 75 -- FL, FLH, FX |
| 74533-75 | | Bracket, regulator | 1976 to * -- FL, FLH |
| 74533-75A | | BRACKET, regulator (chrome) | 76 to * -- FL, FLH, FX, FXS |
| 74536-42 | 1062-36A | Voltage regulator bracket clamp | 1942 to 1948 |
| 74541-52 | | Voltage regulator rubber mount (upper) | 52 to 57 |
| 74542-52 | | Voltage regulator rubber mount (lower) | 52 to 57 |
| 74545-52 | | Voltage regulator spacer | 52 to 57 |
| 74565-52 | | Voltage regulator fuse | 52 to 57 |
| 74565-58 | | Generator to regulator wire fuse | Servi-car 1958- 1963 |
| 74567-52 | | Voltage regulator fuse holder | 52 to 57 |
| 74569-52 | | Voltage regulator fuse holder clip | 52 to 57 |
| 74575-52 | | Voltage regulator ground strap | 52 to 57 |
| 74582-61 | | Fuse insulator sleeve | Servi-car 1961- 1963. |
| 74585-65 | | Circuit breaker conversion kit | 1965 & early 1966 -- FL, FLH |
| 74586-65 | | Circuit breaker, only | Late 1966 to 1969 -- FL, FLH |
| 74586-70 | | Circuit breaker, only | 1970 to 1972 -- FL. FLH |
| 74589-67A | | Circuit breaker, with wires | Servi-car 1967-1970. |
| 74589-71 | | Circuit breaker, with wires | Servi-car 1971-1973. |
| 74589-73 | | Circuit breaker | 1973 to * -- FL, FLH, FX |
| 74594-71 | | Circuit breaker, only | 1971 & 1972 -- FX |
| 74598-73 | | Connector bar, ignition and accessory circuit breakers | 1973 to * -- FX |
| 74750-38 | 4785-38 | Relay assembly | 1938 to 1957 -- all twins |
| 74755-38 | 4786-38 | Relay cover | 1938 to 1957 -- all twins |
| 74765-36 | 4786-36 | Relay bracket | 1936 to 1946 -- 61", 74" & 80" twins |
| 74765-47 | 4786-47 | Relay bracket | 1947 to 1957 -- 61" & 74" OHV |
| 75000-69 | | Cylinder head temperature gauge kit | Servi-car 1972-1973. |
| 75002-69 | | Temperature gauge | Servi-car, cyl. head gage kit 75000-69. |
| 75003-69 | | Cable assembly, temperature gage - complete | 1965 to * -- FL, FLH |
| 75005-69 | | Temperature gauge sending unit | Servi-car, cyl. head gauge kit 75000-69. |
| 75006-69 | | Disconnect cable, only, temparature gage | 1965 to * -- FL, FLH |
| 7501 | | SPEED NUT, 1/4 x 7/16 hex. | |
| 7508 | | Nut, No. 8-32 x 1/8 x 5/16 hex. | |
| 7560 | 7560 | No. 4-48 N.F. x 3/32" x 1/4" Hexagon nut | |
| 7564 | 0100 | No. 4-36 x 3/32" x 1/4" Hexagon nut | |
| 7572W | | LOCKNUT, 1/2-20 x 19/32 x 3/4 hex. | |
| 7581 | | LOCKNUT | |
| 7590 | 0101 | 6-32 N.C. x 7/64" x 5/16" Hexagon nut | |
| 7602 | | Acorn nut, No. 10-32 nylon | |
| 7604 | 1414-36 | 8-32 N.C. x 1/8" x 11/32" Square nut | |
| 7608 | 0103 | Control bracket screw nut | |
| 7609W | | LOCKNUT, No. 8-32 x 3/16 x 3/8 hex | |
| 7613A | | Speed nut | |
| 7614 | | SPEED NUT, 1/2 dia. stud size (2) | |