Harley JD VL Knucklehead Panhead Oil Line Nuts 1915-1964 OEM# 3581-15 63530-43

  • Product Code: 293934432103
  • Availability: In Stock
  • $12.95

You are purchasing one pair of USA-made oil line nuts for tapered oil lines for Harley-Davidson 1915-1973 single and twin models.  The machined skirt at the bottom of the nut makes this nut detail-correct for 1943-1973 models.  These go on 3/8" steel or copper lines and fit on the tapered nipples on oil tanks and oil pumps and are threaded 9/16"-24 as original.  Cad plating is perfect.

You will receive two (2) nuts with your purchase

These are the spot-on for the original fittings and are properly cad plated and ready to be used on your high point judged restoration.  We carry fuel and oil lines for most all models from 1915-1964 in addition to wiring harnesses, lighting, sheet metal, wheels, driveline parts, restoration-correct hardware, saddles, saddlebags, and accessories.  We have a constantly rotating stock of great NOS and used OEM parts in addition to the best reproductions on the planet.  If you can't find what you need here or cimarroncycleworks, just email and ask.

Used on the following but "detail-correct" for 1943-1973 only:
  • 1915-1929 J, F, JD, FD, IOE singles 61" & 74" twin IOE
  • 1926-1934 A, B, C, AA, BA 21" & 30.50" singles
  • 1929-1952 D, DL, DLD, R, RL, RLD, RLE, W, WL, WLD, WLA, WLC 45" solo
  • 1930-1936 V, VL, VC, VD, VLD, VH, VLH, etc. 74" & 80" big twin flathead
  • 1932-1973 R, G, GD, GDT, GE 45" Servicar
  • 1936-1947 E, EL, ELS, F, FL, ELA, ELC, 61" & 74" OHV Knucklehead
  • 1948-1964 EL, FL, FLH 61” & 74" OHV Panhead Hydra-Glide & Duo-Glide 
PLEASE NOTE: When it's practical, I will gladly combine all your purchases into one shipment for a discounted rate.  

A note on shipping:

If you would like to take advantage of our combined shipping discounts or shipping promotions, please first add all your items to your shopping cart then proceed to check out and pay for all items at once.  Your shipping discount will be automatically figured.  Should you need to add an item, we will combine it with your other purchases and issue an appropriate refund to your PayPal account.

We work with a small and select group of vendors and dedicated craftsmen to bring you the very best restoration and repair parts for 1915 to 1984 Harley-Davidson motorcycles.  We also offer a huge collection of restoration quality plain head, CP-1038, & CP-1035 bolts; fillister head & round head screws; correctly machined nuts & washers; fuel & oil lines; wiring harnesses; handlebar switches; air cooled spark plugs; clips, clamps, and ties in cadmium, parkerized, zinc, chrome, and raw finishes.


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