| OEM | OEM | Description | Used on |
| 16695-40 | 10-40M | Rear cylinder?head, aluminium | 1940 to 1943 WLA & WLC; some 1945 & 1946 WL |
| 16695-51 | 10-51 | Rear cylinder head (marked 5.5), iron | 1951 & 1952 45" WL & G |
| 16695-55 | | Rear cylinder head (marked 5.5) iron | 1956 & 1957--Servi--Cars |
| 16697-40 | 9-40 | Front cylinder head | 1940 to 1947-0HV |
| 16697-48 | 9-48 | Front cylinder head | 1948-0HV |
| 167-36 | 18181-36 | Exhaust valve guide and collar - Std | 1936 to 1947--OHV |
| 167-36A | 18182-36 | Exhaust valve guide and collar .001" O.S. | 1936 to 1947--OHV |
| 167-38 | 18198-38 | Valve guide oil seal | 1936 to 1950--with iron heads, 1940 to 1950--with aluminum heads |
| 167-40 | 18185-40 | Intake valve guide and collar - Std. | 1936 to 1947--OHV |
| 167-40A | 18186-40 | Intake valve guide and collar .001" O.S. | 1936 to 1947--OHV |
| 167-40B | 18187-40 | Intake valve guide and collar .002" O.S. | 1936 to 1947--OHV |
| 16700-40 | 10-40 | Rear cylinder head | 1940 to 1947--0HV |
| 16700-48 | 10-48 | Rear cylinder head | 1948--OHV |
| 16702-49 | 9-49 | Front cylinder head | 1949 to 1954 OHV |
| 16702-55 | | Front cylinder head | 55 to 57-74" OHV |
| 16703-49 | 10-49 | Rear cylinder head | 1949 to 1954 OHV |
| 16703-55 | | Rear cylinder head | 55 to 57-74" OHV |
| 16708-55 | | Front cylinder head | 55 to 57-74" FLH |
| 16709-55 | | Rear cylinder head | 55 to 57-74" FLH |
| 1671-26 | 30427-26 | Small brush and spring | 1932 to 1950 |
| 1674-26 | | Spring, small brush | |
| 16768-36 | 11-36 | Cylinder head gasket (2) | 1936 to 1951-- G & WL iron heads |
| 16768-39 | 11-39 | Cylinder head gasket (2) | 1939 to 1950--45" twins with aluminum heads, 1951 & 1952--45" twins, 1953 & 1954--Servi-Cars |
| 16769-36 | 11-36A | Cylinder head gasket (2) | 1936 to 1948-74" & 80" side valves |
| 16769-57 | | Cylinder head gasket | |
| 16770-36 | 12-36 | Cylinder head gasket (2) | 1936 to 1947--OHV |
| 16770-48 | 12-48 | Cylinder head gasket (2) | 1948 to 1957-OHV |
| 16774-21 | 46-21 | Cylinder base gasket | 1924 to 1947--61", 74" & 80" twins, 1936 to 1948-74" & 80" side valves, 1938 to 1947--OHV |
| 16774-31 | | Cylinder base gasket | 1936 to 1947--OHV |
| 16775-29 | 46-29 | Cylinder base gasket | 1929 to 1952--45" twins, 1953 & 1954--Servi-Cars |
| 16775-52 | | Cylinder base gasket | |
| 16776-48 | 16776-48 | Front cylinder base gasket | 1948 to 1957--OHV |
| 16776-63 | | Front cylinder base gasket | 1963 to 1965--FL, FLH. 16777-63: rear cylinder base gasket |
| 16777-48 | 16777-48 | Rear cylinder base gasket | 1948 to 1957 OHV |
| 16777-63 | | Rear cylinder base gasket | 1963 to 1965--FL, FLH |
| 16789-36 | | Cylinder head gasket | 1936 to 1948-74" & 80" side valves |
| 168-30B | 18200-30 | Valve spring (4) | 1930 to 1948--74 |
| 168-32 | | Valve spring (4) | 1932 to 1940 |
| 168-36 | 18203-36 | Outer valve spring (4) | 1936 to 1954--OHV |
| 168-41 | 18201-41 | Valve spring (4) | 1941 to 1950 |
| 16800-26 | 14-26 | Cylinder head stud (2-1/8") | 1932 to 1950 45", iron heads |
| 16801-26 | 14-26S | Cylinder head stud, oversize (7/16") | 1929 to 1950 45", iron heads |
| 16802-28 | | Cylinder head stud (1-15/16") | 1929 to 1950--45" twins, iron heads |
| 16802-29 | 14-29 | Cylinder head stud, (1-15/16") | 1929 to 1950 45", iron heads |
| 16804-30 | 14-30 | Lower clamp bolt | 1937 to 1954--61", 74" & 80" twins |
| 16806-30 | 14-30S | Cylinder head bolt, oversize (1/2" - 13 x 1-5/8") | 1930 to 1948--74" & 80" side valves |
| 16809-40 | 14-40A | Cylinder head bolt (1-3/4") | 1940 to 1946 WLD, 1947 to 1950 WL with aluminum heads, 1951 & 1952--45" twins, 1953 & 1954--Servi-Cars |
| 16810-40 | 14-40B | Cylinder head bolt (2) (2-15/16") | 1940 to 1946 WLD |
| 16811-40 | 14-40M | Cylinder head bolt, short (14) | 1940 to 1943 WLA & WLC; 1945 & 1946 WL with aluminum heads |