| OEM | OEM | Description | Used on |
| 1643-30 | 6551 | Armature end washer (.072") (steel) | 1932 to 1950 |
| 1644-18 | | Armature bearing, small | 1932 to 1948 |
| 1644-30 | | Armature bearing, large | 1932 to 1948 |
| 1646-31 | | Drive end oil deflector | 1932 to 1950 |
| 16460-36 | 2-36A | Front cylinder with piston cpt. | 1936 to 1950 45" with iron heads |
| 16460-40 | 2-40BM | Front cylinder with piston cpt. | 1940 to 1943 WLA & WLC; 1945 to 1952-WL with aluminum heads, 1951 & 1952-45s, 1953 & 1954--Servi-Cars |
| 16460-40A | | Front cylinder & piston | 1940 to 1952--WLA, WLC, WL with aluminum heads, 1951 to 1957--WL & G |
| 16461-36 | 3-36A | Rear cylinder with piston cpt. | 1936 to 1950 45" with iron heads |
| 16461-40 | 3-40BM | Rear cylinder with piston cpt. | 1940 to 1943 WLA & WLC, 1945 to 1952 WL with alu heads; 1951 & 1952 45", 1953 & 1954 Servi-Cars |
| 16461-40A | | Rear cylinder & piston | 40 to 52 -- WLA, WLC, WL with aluminum heads, 51 to 57 -- WL & G |
| 16461-51 | 3-51 | Rear cylinder with piston cpt. | 1951 & 1952 45" |
| 1647-29A | | Bearing plate spring ring, 1-5/16" diameter | 1930 to 1950 |
| 1647-31A | 8314 | Drive end felt retainer rivet (4) | 1932 to 1950 |
| 1647-31B | | Drive end spring | 1932 to 1950 |
| 1647-31C | | Drive end felt washer | 1932 to 1948 |
| 1647-31D | | Drive end spring ring | 1932 to 1960 |
| 1647-31E | | Drive end felt washer retainer | 1932 to 1950 |
| 1647-32 | | Brush end bearing housing | 1932 to 1947 |
| 1647-48 | | Brush end bearing housing | 1948 to 1950 |
| 16470-40 | 3-40M | rear cylinder | |
| 16473-37 | 4-37B | Front cylinder with piston cpt. | 1937 to 1948--74" side valves |
| 16474-37 | 5-37B | Rear cylinder with piston cpt. | 1937 to 1948--74" side valves |
| 16481-40 | | Rear cylinder with piston cpt. | 1940 to 1943 WLA & WLC; 1945 to 1952 WL with aluminum heads, 1953 & 1954--Servi-Cars |
| 16483-36 | 6-36C | Front cylinder with piston cpt. | 1936 to 1947--61" OHV |
| 16483-41 | 6-41B | Front cylinder with piston cpt. | 1941 to 1947--74" OHV |
| 16483-48 | 6-48B | Front cylinder with piston cpt. (low compression) | 1948 to 1952 61" OHV |
| 16484-48 | 6-48C | Front cylinder with piston cpt. (high compression) | 1948 to 1952 74" OHV |
| 16484-53 | | Front cylinder with piston cpt. | 1953 & 1954 74" OHV |
| 16485-48 | 6-48D | Front cylinder with piston cpt. (low compression) | 1948 to 1952--74" OHV |
| 16485-55 | | Front cylinder & piston | 55 to 57-74" FLH |
| 16486-48 | 6-48E | Front cylinder with piston cpt. (high compression) | 1948 to 1952 -- 61" OHV |
| 16490-36 | 7-36C | Rear cylinder with piston cpt. | 1936 to 1947--61" OHV |
| 16491-41 | 7-41B | Rear cylinder with piston cpt. | 1941 to 1947--74" OHV |
| 16492-48 | 7-48B | Rear cylinder with piston cpt. (low compression) | 1948 to 1952 61" OHV |
| 16492-55 | | Rear cylinder & piston | 1955 to 1957--74" OHV |
| 16492-63 | | Rear cylinder with piston | |
| 16493-48 | 7-48C | Rear cylinder with piston cpt. (high compression) | 1948 to 1952 -- 74" OHV |
| 16493-53 | | Rear cylinder with piston cpt. | 1953 & 1954 --74" OHV |
| 16494-48 | 7-48D | Rear cylinder with piston cpt. (low compression) | 1948 to 1952 -- 74"OHV |
| 16495-48 | 7-48E | Rear cylinder with piston cpt. (high compression) | 1948 to 1952--61" OHV |
| 165-32 | 18080-32 | Exhaust valve | 1932 to 1950 |
| 165-36 | 18081-36 | Exhaust valve | 1936 to 1947--OHV |
| 165-37 | 18082-37 | Exhaust valve | 1937 to 1948-74 |
| 165-48 | 18081-48 | Exhaust valve | 48 to early 52-OHV |
| 1650-18 | 23985-18 | Crank pin key | 1930 to 1950 |