Oil Tank Mounting Kits for Big Twin 1936-1964
Select variant:

fits Big Twin 1936-1957; chrome-plated; replaces OEM HD 3974, 4013, and 62581-36


fits Big Twin 1936-1957; parkerized; replaces OEM HD 3974, 4013, and 62581-36

fits Big Twin 1936-1957; CAD (ZnNi process), CP 1038; replaces OEM HD 3974, 4013, and 62581-36

fits Big Twin 1936-1957; parkerized, CP 1038; replaces OEM HD 3974, 4013, and 62581-36

fits Big Twin 1958-1964; CAD (ZnNi process); replaces OEM HD 62581-36, 62531-60, 3996, 7725, and 4014W

fits Big Twin 1958-1964; chrome-plated; replaces OEM HD 62581-36, 62531-60, 3996, 7725, and 4014W
Price and stock:
Item №
50-227
net price
$25.03
Available
9
Ready for immediate delivery from our Würzburg, Germany warehouse
* Tax free shipping.
Reproduction of all original screws, nuts and spacers to mount oil tanks of 1936–1964 Big Twin models.
- Mounting kit by Colony
- for Oil tank
- fits Big Twin 1936-1957
- steel, chrome-plated
- thread: 5/16”-24
- replaces Harley-Davidson part number HD 3974, 4013, and 62581-36
- USA
- gross weight: 108 g
CP marked bolts
1035 CP (Chandler Products) marked bolts were used since 1943 until 1951. They were gradually replaced by 1038 CP marked bolts, which were used from 1947 onwards. Prior to 1943 all bolts had plain heads.

Have any questions?
Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com