| OEM | OEM | Description | Used on |
| 63607-54 | | Rear chain oiler body | 54 to 57-74" OHV |
| 63610-53 | | Rear chain oiler adjusting screw | 54 to 57-74" OHV |
| 63610-70 | | Chain oiler adjusting screw - hex head | Servi-car 1970-1973. |
| 63615-54 | | Rear chain oiler rubber washer | 54 to 57-74" OHV |
| 63633-15 | | Nipple for vent pipe | 1938 to 1954--all models |
| 6365-24 | 5680 | 5/16"-18 x 1 3/4" Square head bolt | |
| 637-36 | 25856-36 | Circuit breaker drive gear stud | 36 to 57--OHV |
| 637-36A | 25859-36 | Circuit breaker drive gear stud screw | 36 to 57--OHV |
| 637-36B | 25800-36 | Idler & circuit breaker gear spacer (2) | 36 to 57--OHV |
| 6371-25 | 88260-25 | Body support rod (front) | 25 to 57-61",74" & 80" twins, sidevans |
| 6371-36 | 88261-36 | Body support rod (front) | 36 to 57-61",74" & 80" twins, sidecars |
| 6373 | 2788-30 | 3/8" x 35/64" x 3/64" Plain steel washer | |
| 6375 | 2461-36A | 3/8" x 37/64" x 1/32" Plain steel washer | |
| 6375-25 | 88265-25 | Body support rod (rear) | 1925 to 1957--61",74"& 80" twins, sidecars |
| 6375-36 | 88264-36 | Body support rod (rear) | 36 to 57-61",74"& 80" twins, sidecars |
| 6375B | | Washer, 3/8 x 9/16 x 1/32 | |
| 6377 | 6377 | 3/8" x 5/8" x 1/32" Brass washer | |
| 6378-24 | 5486 | 3/8" x 1 3/4" Carriage bolt | |
| 6379 | 0226 | 3/8" x 5/8" x 3/64" Plain steel washer | |
| 6379-15 | 5435 | 5/16"-18 U.S.F. x 1 1/2" Carriage bolt | |
| 63798-53A | | Oil filter assembly | Sportster, KH, XL, XLH 1954-78. |
| 63799-47 | | Oil filter conversion kit | 1940 to 1947--61", 74" & 80" twins |
| | | Part 63799-47 (Oil filter conversion kit) consists of: | |
| | | 63500-50: Oil line | |
| | | 63504-50: Oil line (oil filter to tank) | |
| | | 63524-50: Oil line connector (special) | |
| | | 63525-50: Oil line connector (40 to 49 only) | |
| | | 63527-50: Oil line nut | |
| | | 63529-50: Oil line sleeve (rubber) | |
| | | 63809-48: Oil filter cap gasket | |
| | | 63810-50: Oil filter cap bolt (Replaced by 63850-48A) | |
| | | 63858-49: Oil filter asbestos washer | |
| | | 63861-50: Oil filter mounting bracket | |
| | | 63871-50: Oil filter cap adapter | |
| | | 63873-50: Oil filter cap adapter gasket | |
| | | 7045: 3/8" x 5/8" x 1/16" Lock washer | |
| | | 7789: 3/8"-24 N.F. x 1/4"x 9/16" Hexagon nut | |
| 63799-50 | | Oil filter conversion kit | 48 to 57-61", 74" & 80" twins |
| | | Part 63799-50 (Oil filter conversion kit) consists of: | |
| | | 6320: 5/16" x 11/16" x 1/16" Plain steel washer | |
| | | 63500-50: Oil line | |
| | | 63503-50: Oil line (filter to gas tank) | |
| | | 63524-50: Oil line connector (special) | |
| | | 63525-50: Oil line connector (40 to 49 only) | |
| | | 63526-50: Oil line connector | |
| | | 63527-50: Oil line nut | |
| | | 63529-50: Oil line sleeve (rubber) | |
| | | 63810-50: Oil filter cap bolt (Replaced by 63850-48A) | |
| | | 63871-50: Oil filter cap adapter | |
| | | 63873-50: Oil filter cap adapter gasket | |
| | | 63874-50: Oil filter bolt gasket | |
| | | 7040: 5/16 x 9/16" x 1/16" Lock washer | |
| | | 7045: 3/8" x 5/8" x 1/16" Lock washer | |
| | | 7752: 5/16"-24 N.F. x 17/64" x 1/2" hexagon nut | |
| | | 7789: 3/8"-24 N.F. x 1/4"x 9/16" Hexagon nut | |
| 63799-65A | | OIL FILTER ASSEMBLY, less cap | 65 to 69 -- FL, FLH |
| 6379W | | WASHER, 3/8" x 5/8" x 1/16" | |
| 638-36 | 26346-36 | Oiler drive shaft | 1936 to 1954--OHV |
| 63800-48 | | Oil filter complete | 1940 to 1957--61", 74" & 80" twins |
| 63807-48 | | Oil filter cap (Replaced by 63807-48A) | |
| 63807-48A | | Oil filter cap | 40 to 57-61". 74" & 80" twins |
| 63809-48 | | Oil filter cap gasket | 40 to 57-61", 74" & 80" twins |
| 63810-50 | | Oil filter cap bolt (Replaced by 63850-48A) | |
| 63814-55 | | Oil filter valve | 55 to 57-74" OHV |
| 63815-48 | | Oil filter valve seat | 40 to 54-61", 74" & 80" twins |
| 63817-48 | | Oil filter valve spring | 40 to 54-61", 74" & 80" twins |
| 63817-55 | | Oil filter valve spring | 55 to 57-74" OHV |
| 63819-55 | | Oil filter valve body | 55 to57-74" OHV |
| 63825-48 | | Oil filter cup | 40 to 57-61", 74" & 80" twins |
| 63826-53 | | Oil filter cup | FL, FLH, 1958-early 82. Panhead. Duo Glide. Sportster, KH, XL, XLH 1954- |
| 63831-67 | | SPRING, filter cup | Late 67 to * -- FL, FLH, FX, FXS |
| 63839-53 | | Filter element kit | Panhead |
| 63840-48 | | Oil filter element | 40 to 57-61", 74" & 80" twins |
| 63840-48A | | Filter element | FL, FLH 1940-1964. Panhead. |
| 63843-48 | | Oil filter element upper retainer | 40 to 57-61", 74" 6 80" twins |
| 63846-48 | | Oil filter element lower retainer | 40 to 57-61", 74- & 80" twins |
| 63846-53 | | Filter element lower retainer | FL, FLH 1958-early67. |
| 63846-67 | | LOWER RETAINER, filter element | Late 67 to * -- FL, FLH, FX, FXS |
| 63848-48 | | Oil filter element retainer gasket | 40 to 57-61", 74" & 80" twins |
| 63850-48 | | Oil filter stud (Replaced by 63850-48A) | |
| 63850-48A | | Oil filter stud | 40 to 57-61", 74" & 80" twins |