Feuling Parts Ventilated drain plug Breather filterRef : FELG00040A / 10120259

Ventilated Drain Plug Feuling Parts (manufacturer part no. 3096): a machined dipstick designed to replace the original oil fill neck on Touring machines. Designed to relieve crankcase pressure via a PCV-type breather, it incorporates an oil separator, perforated disc, replaceable filter, and check valve to limit the accumulation of blow-by pressure in the oil reservoir.

• Material/finish: black with silver insert — a sleek look suitable for customs and touring.
• Two ventilation options: 1/8" NPT port with internal porous filter, or quick connect with rubber hose and filtering element.
• Integrated dipstick allowing two methods of reading the oil level: bike on the side stand (FHS) or upright and level (FHU).
• Screws directly into the original fill neck replacing the original part.
• Replaceable filter and check valve to limit oil return and keep the breather circuit clean.
• Manufactured in the USA.

Practical notes: the suction port is located on the right side of the engine — warming the bike or leaving it idling on the side stand may skew the level reading. Feuling recommends a warm oil level between 90% and 99%. This part becomes hot during operation: use a glove when checking.

Compatible with many Touring models (e.g. Harley-Davidson FLHXI, FLHTI, FLHTCUI 1450 EFI). A robust choice for managing crankcase ventilation and keeping the oil circuit clean and controllable.