| OEM | OEM | Description | Used on |
| 27410-39 | 1121-39 | Carburetor insulating gasket | 1936 to 1952-45" twins, 1953 & 1954--Servi-Cars, 1936 to 1948-74" & 80" side valves, , 1940 to 1946 WLD |
| 27411-40 | 1121-40 | Gasket | 1936 to 1954--OHV |
| 27412-48 | 1121-48 | Carburetor insulating block | 1948 to 1957--OHV |
| 27421-30 | 1123-30 | Carburetor fastening screw | |
| 27422-39 | 1123-39 | Carburetor fastening bolt | 1936 to 52-all models, 40 to 47-OHV |
| 27423-41 | 1123-41 | Carburetor fastening bolt (3) | 1941 and early 1942 WLA, WLC |
| 27424-48 | 1123-48 | Carburetor fastening bolt (4) | 1948 to 1957--OHV |
| 27430-39 | 1110-39 | Carburetor support | 1937 to 1948--74" & 80" side valves |
| 27431-41 | 1110-41 | Carburetor support bracket | (Replaced by 27431-41A) |
| 27431-41A | | Carburetor support bracket | (Replaced by 27431-41B) |
| 27431-41B | | Carburetor to crankcase horn bracket | 54 to 57--OHV |
| 27432-36 | 1111-36 | Carburetor support | 1936 to 1957--45" twins, 1953 & 1954--Servi-Cars |
| 27450-36 | 3370-36 | Choke control wire block | 39 to 53--all models |
| 275 | | Dowel pin, 1/8 x 1/4 (2) | 1941 to * --FL, FLH |
| 275-32 | | Piston pin | |
| 275-32S | | Piston pin -.002" O.S., .004" O.S., .006" O.S., .008" O.S., .010" O.S. | |
| 275-42 | 22700-32 | Piston pin kit - standard | 1932 to 1950 |
| 275-42C | 22702-32 | Piston pin kit - .002" O.S. | 1932 to 1950 |
| 275-42D | 22704-32 | Piston pin kit - .004" O.S. | 1932 to 1950 |
| 275-42E | 22706-32 | Piston pin kit - .006" O.S. | 1932 to 1950 |
| 275-42F | 22708-32 | Piston pin kit - .008" O.S. | 1932 to 1950 |
| 275-42G | 22710-32 | Piston pin kit - .010" O.S. | 1932 to 1950 |
| 275-42H | 22712-32 | Piston pin kit - .012" O.S. | 1932 to 1950 |
| 275-42JA | 22714-32 | Piston pin kit - .015" O.S. | 1932 to 1950 |
| 2750 | | SCREW, No. 6-32 x 3/4 self-tapping rd. hd. | |
| 2750-36 | 48325-36 | Set of head cups, cones and bearings | 1937 to 1948--61", 74" & 80" twins |
| 2750-40 | | Set of head cups, cones and bearings | 1940 to 1950 |
| | | Part 2750-40 (Set of head cups, cones and bearings) consists of: | |
| | | 0282: Ball, 5/16" steel ball | |
| | | 2752-30: Head cup, upper and lower | |
| | | 2754-40: Upper head cone | |
| | | 2756-39: Lower head cone (race & body) | |
| 2751 | 2751 | 1/4"-28 N.F. x 5/16" Recessed round head screw | |
| 2752-30 | | Head cup, upper and lower | 1940 to 1950 |
| 2753-40 | | Head cone bearing guard | 1940 to 1950 |
| 2754-40 | | Upper head cone | 1940 to 1950 |
| 2756 | 050 | 1/4"-24 N.S. x 7/16" Round head screw | |
| 2756-39 | | Lower head cone (race & body) | 1930 to 1950 |
| 2756-39A | | Upper or lower head cone (race only) | 1939 to 1950 |
| 2756B | | Screw, 1/4-24 x 7/16 rd. hd. | 1941 to 1966 -- FL, FLH |
| 2757W | | SCREW, 1/4-28 x 7/16 phil. hd. | |
| 2758 | 2758 | 1/4-20 N.C. x 3/16" Recessed head screw | |
| 2759 | 043A | 1/4"-20 N.C. x 1/2" Round head screw | |
| 2759-36 | | Upper head cone lock plate | 1940 to 1950 |
| 2759-36A | 46561-36 | Handlebar and cone clamp nut | 1937 to 1948--61", 74" & 80" twins |
| 2759-36N | | Plate, locking, upper cone | |
| 2759-40 | | Handlebar and cone clamp nut | 1940 to 1950 |
| 2759-40N | | Nut, handlebar and cone clamping | |
| 276-33 | 22735-32 | Piston pin and lock rings - Standard | |
| 276-33C | 22737-32 | .002" O.S. | 1937 to 1954--74" OHV |
| 276-33D | 22739-32 | .004" O.S. | 1937 to 1954--74" OHV |
| 276-33E | 22741-32 | .006" O.S. | 1937 to 1954--74" OHV |
| 276-33F | 22743-32 | .008" O.S. | 1937 to 1954--74" OHV |
| 276-33H | 22747-32 | .012" O.S. | 1937 to 1954--74" OHV |