icon

FREE ECONOMY SHIPPING ON US ORDERS $99 & UP*

90 DAY RETURNS

NO RESTOCK FEES, EVER!

FITMENT GUARANTEED

FREE EXPERT MOTORCYCLE TECH SUPPORT

Contact us -

Menu
Search

Wishlist
Account

Shopping Cart

Total

Checkout

Product successfully added to your cart!

Search

Motorcycle Parts

Closeouts

Air Intake & Fuel Systems

Air Cleaners

Air Filter Elements

Breather Kits & Components

Carburetor & Air Cleaner Hardware

Carburetor Components

Carburetor Jets & Needles

Carburetor Support Brackets

Carburetors

ECU Tuners

Enricher & Choke Knobs

Fuel Lines

Intake Components

Velocity Stacks

Brakes

Brake Caliper Brackets

Brake Caliper Hardware

Brake Calipers

Brake Light Switches

Brake Lines

Brake Line Components

Brake Pads

Brake Rotor Hardware

Brake Rotors

Mechanical Brake Components

Rear Master Cylinder Components

Rear Master Cylinders

Drivetrain & Transmission

Belt Drives

Chain Conversion Kits

Chain Tensioners

Clutch

Clutch Hardware

Complete Transmissions

Drive Chains

Jockey Shifters & Foot Clutches

Kicker Pedals & Levers

Primary

Primary Hardware

Pulley & Sprocket Hardware

Pulleys & Sprockets

Transmission Gear Sets

Transmission

Transmission Hardware

Electrical & Wiring

Alternators & Charging Systems

Batteries

Battery Boxes

Battery Cables

Coils, Stators, & Covers

Fuses

Generators & Components

Horns

Ignition Switches

Ignition Systems

Magneto Ignitions

Points Covers

Spark Plug Wires

Spark Plugs

Starter Solenoids & Relays

Starters

Switches

Wires & Tubing

Engine

Camshafts

Complete Engines

Cylinders Pistons & Rings

Engine Gaskets & Seals

Engine Hardware

Engine Lower End

Engine Mounts

Oil Pumps & Components

Pushrods & Covers

Remote Oil Filters

Rocker Box Components

Tappet Components

Valve Components

Exhaust

Exhaust Gaskets

Exhaust Mounting Brackets & Hardware

Exhaust Mufflers & Baffles

Exhaust O2 Sensors

Exhaust Pipes

Exhaust Tips

Exhaust Wrap

Heat Shields

Fenders

Fenders

Fender Hardware

Fender Mounts & Brackets

Frame & Chassis

Fairings

Floorboards

Footpegs

Footpeg Hardware

Fork Cups

Forward Controls

Frame Accessories

Frame Hardware

Full Frames

Hardtails

Kickstands

Mid-Controls

Shifter Pegs

Skid Plates

Windshields

Gas tanks

Gas Caps

Gas Tanks

Gas Tank Accessories

Gas Tank Mounts & Hardware

Petcocks

Gauges & Instruments

Gauge Hardware

Gauge Mounts & Brackets

Oil Pressure Gauges

Speedometer Cables

Speedometers

Tachometer Cables

Tachometers

Handlebars & Controls

Cable Clamps

Cables

Grips

Handlebars

Handlebar Hardware

Handlebar Master Cylinders

Handlebar Switches & Wiring

Levers

Mirrors

Phone Cases & Mounts

Risers

Riser Hardware

Throttle Controls

License Plates

License Plate Brackets & Mounts

License Plate Frames

License Plate Hardware

Lighting

Bulbs

Headlights

Light Mounting Hardware

Taillights

Turn Signals

Oil Tanks

Motorcycle Oil Tanks

Oil Tank Caps

Oil Tank Hardware

Seats

Seat Hardware

Seat Pads & Pillions

Seat Springs

Seat Spring Mounts

Seats

Solo Seat Pivots

Sissy Bars

Suspension

Fork Components

Fork Hardware

Fork Springs

Fork Tube Seal Kits

Fork Tubes

Shock Hardware

Shocks

Springers

Triple Trees

Tires & Tubes

Tires

Tubes & Rim Strips

Valve Stems & Caps

Wheels & Wheel Components

Axles

Axle Adjusters

Axle Hardware

Hub Components

Hubs

Wheel Bearings

Wheel Spacers

Wheels
Riding Style

Harley-Davidson Sportster Parts

Triumph
Motorcycle Parts

Big Twin Harley-Davidson Parts
New Products
Fab Parts

Bungs

Aluminum Bungs

Fabricator Bung Assortments

Steel Bungs

Exhaust Fabrication Parts

Fender Mounting Fabrication Parts

Fittings

Elbow Fittings

Hose & Pipe Tees

Hose Barbs

NPT Plugs

Pipe Nipples

Frame Fabrication Parts

Hardware & Fasteners

Bolts & Screws

Grommets

Hose Clamps

Nuts

Spacers

Washers

Mounting Tabs

Tank Fabrication Parts
Clothing & Riding Gear

Motorcycle Helmets

Face Shields

Helmets

Replacement Helmet Parts

Clothing

Bandanas

Hats

Hoodies

Long Sleeve Shirts

Patches

Socks

T-Shirts

Tank Tops

Vests

Riding Gear

Gloves

Goggles

Sunglasses
Accessories

Banners & Signs

Books & Magazines

DVDs

Gifts & Novelties

Lapel Pins

Manuals

Oils, Filters & Chemicals

Air Filters & Kits

Assembly Lubricants

Brake Fluid

Chain Lubricants

Engine Oil

Engine Oil Change Kits

Fork Oil

Gearbox Oil

Oil Filters

Primary Oil

Tank Sealants

Saddlebags & Luggage

Backpacks

Bottle Holders

Fork & Handlebar Bags

Luggage Straps, Nets & Anchors

Racks

Saddlebags

Saddlebag Mounting Components

Sissy Bar & Tail Bags

Tank Bags

Tool Rolls

Security

Stickers

Tools

Battery Chargers

Carburetor Tools

Chassis Tools

Drivetrain & Chain Tools

Engine Stands

Engine Tools

Fork Tools

Primary & Clutch Tools

Shop Accessories

Tie-Downs

Tire & Wheel Tools

Transmission Tools

Tool Kits

Whitworth Tools
Blog

Events & Features

Motorcycle How-To Guides

Motorcycle Parts
Riding Style
New Products
Fab Parts
Clothing & Riding Gear
Accessories
Blog
- Events & Features
- Motorcycle How-To Guides

Wishlist
Account

Contact Us

CUSTOMER SERVICE

Call or Text:
1-800-935-5050

Hours:
Mon-Fri 8am-4:30pm EST

Contact Us Page

Home › Motorcycle Breather Kits & Components › Subcategory Breather Kits & Components + Vendor McMaster Carr

Breather Kits & Components McMaster Carr Motorcycle Breather Kits & Components

Sort by

Breather Vent Fitting 1/8 inch NPT — Cycle Standard Breather Vent Fitting 1/8 inch NPT
12 reviews $4.51

Breather Vent Fitting 1/8 inch NPT — Cycle Standard Breather Vent Fitting 1/8 inch NPT
12 reviews $4.51

STAY CONNECTED
WITH LOWBROW

NO SPAM, EVER. JUST GREAT STUFF. YOUR INFO IS NEVER SHARED.

*I agree to receive recurring automated marketing text messages (e.g. cart reminders) at the phone number provided. Consent is not a condition to purchase. Msg & data rates may apply. Msg frequency varies. Reply HELP for help and STOP to cancel. View our Terms of Service and Privacy Policy.

MOTORCYCLE PARTS
FAB PARTS
CLOTHING
HELMETS
RIDING GEAR
ACCESSORIES
TOOLS
GIFT CARDS
BLOG

CONTACT US
FAQ
RETURNS
ABOUT US
MEET OUR TEAM
LOWBROW CUSTOMS SCHOLARSHIPS
BRANDS
PRODUCT REVIEWS
SHIPPING INSURANCE
POLICIES
SITEMAP

5 stars of quality

4.9

Powered by Birdeye

© 2025, Lowbrow Customs

Prices & misprints subject to change.

* Our FREE SHIPPING offer is based on product merchandise sales of $99 and above. Frames, hardtails and specified oversize items are EXCLUDED from this offer. E-Gift Card purchase price does not count toward your total for free shipping. Free shipping available to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses only.

**Only one coupon code or discount can be used per order. E-Gift Cards are excempt from discounts. The following brands are exempt from additional discounts to the selling price: Baker Drivetrain, Biltwell, Coker Tire, Cannonball, Drag Specialties, GigaCycle Garage, Jims USA, Kraft Tech Inc., Morris Magneto, S&S Cycle