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OEM style reproduction. Fits between crankcase and primary. Note: See 915425 (OEM 24918-58) for rubber breather nipple.
MCS

Breather pipe assembly, black

#915424

Stock:Yes

Black powder coated finish. External head breathers on H-D models are used to vent crankcases gasses out of the engine. These gasses consist mostly of air, but also dirty oil, water etc. and are routed into the air cleaner to burn excess oil in the cylinders. The non-burned oil is ready to make a mess and will saturate your air cleaner element and leak out of the air cleaner housing. This billet catch can separates the air from the dirty oil and water. Clean air goes into the air cleaner, the rest goes into the catch can housing. The catch can simply be unscrewed from the lid to empty. - CNC machined aluminum - Vented cap - 4 stage internal filtration system - 1 extra replacement o-ring - Dimensions: 1-1/2" diameter x 2-5/8" tall - For 3/8" ID hose
DK Custom

DK Custom Products, 4 stage billet catch can. Black

#974959

Stock:No

Clear machined aluminum. Can easily be polished to a mirror finish if desired. External head breathers on H-D models are used to vent crankcases gasses out of the engine. These gasses consist mostly of air, but also dirty oil, water etc. and are routed into the air cleaner to burn excess oil in the cylinders. The non-burned oil is ready to make a mess and will saturate your air cleaner element and leak out of the air cleaner housing. This billet catch can separates the air from the dirty oil and water. Clean air goes into the air cleaner, the rest goes into the catch can housing. The catch can simply be unscrewed from the lid to empty. - CNC machined aluminum - Vented cap - 4 stage internal filtration system - 1 extra replacement o-ring - Dimensions: 1-1/2" diameter x 2-5/8" tall - For 3/8" ID hose
DK Custom

DK Custom Products, 4 stage billet catch can. Clear

#974958

Stock:No

With mounting tab for 1/4" bolt. Takes 3/8" ID oil hose. With chrome plated slooted design cover.
MCS

Crankcase breather filter, slotted. Chrome

#970565

Stock:Yes

Used in combination with 915424 (OEM 24913-58) breather pipe.
MCS

Rubber breather nipple only

#915425

Stock:Yes

Chrome. Fits a 3/8" oil hose (standard H-D oil hose). Designed for use on the crankcase ventilation system.
K&N
SaleBlack Friday

K&N, crankcase breather filter. Male 3/8" connector

#517260

Stock:Yes

Female rubber connector to fit a 3/8" nipple. Can be installed directly to the nipple or breather pipe of the crankcase ventilation system.
K&N
SaleBlack Friday

K&N, crankcase breather filter. Female 3/8" connector

#517263

Stock:Yes