Front Master Cylinders
264 parts
Harley front master cylinders, rebuild kits and covers in 9/16", 5/8" and 11/16" bore. Doing the whole front brake? See brake lines, calipers, rotors and levers. Free US shipping over $100.
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V-Twin Hand Lever Assembly 9/16" Bore Master Cylinder - Chrome
V-Twin Mfg
$555.89V-Twin Hand Lever Assembly 9/16" Bore Master Cylinder - Chrome This old school chopper/bobber style hand lever assembly includes clutch and brake. Master cylinder is 9/16" bore for single caliper use...$555.89 -
V-Twin - Handlebar Master Cylinder ( Custom Application, Choose Finish)
V-Twin Mfg
$262.74 - $282.04V-Twin - Handlebar Master Cylinder (Custom Application) This old-school style handlebar master cylinder is 9/16" bore for single caliper use and is available in your choice of a black or chrome...$262.74 - $282.04 -
V-Twin - 26-2154 - Handlebar Master Cylinder Assembly 11/16 inch Bore - Fits 1982-1994 Harley-Davidson FXR, 1984-1995 FXST, 1982-1984 FX, FL, 1986-1995 FLST, 1982-1995 XL, 1991-1995 FXD
V-Twin Mfg
$268.04Black handlebar master cylinder assembly has a 11/16" bore and utilizes a 10mm banjo fitting for use with a 10mm 7/16" - 24 banjo bolt. Master cylinder comes assembled with internals and lever....$268.04 -
V-Twin - 26-0576 - Handlebar Master Cylinder 1/2 inch Bore Chrome - Fits 2004-2006 Harley-Davidson XL
V-Twin Mfg
$127.71Chrome handlebar master cylinder assembly has a 1/2" bore. Master cylinder comes assembled with internals and lever. For use with single disc caliper.*NOTE: Banjo bolt size is 10-1.25mm. Fits:XL...$127.71 -
Performance Machine (Pm) - 0060-3602 - Master Cylinder Rebuild Kit - 5/8"
Performance Machine
$23.95Performance Machine (Pm) - 0060-3602 - Master Cylinder Rebuild Kit - 5/8"FeaturesEverything you need to rebuild one Performance Machine master cylinderReplacement master cylinder cover gasket...$23.95 -
Performance Machine (Pm) - 0062-2936-SMB - Brake Master Cylinder - Radial - 11/16" - Black Ops
Performance Machine
$715.95Performance Machine (Pm) - 0062-2936-SMB - Brake Master Cylinder - Radial - 11/16" - Black OpsFeaturesCNC-machined one-piece body with refined internals for optimal performanceRace driven master...$715.95 -
V-Twin - Old School Chopper/ Bobber Polished Hand Lever Assembly 9/16" Bore Master Cylinder
V-Twin Mfg
$563.66V-Twin - Old School Chopper/ Bobber Polished Hand Lever Assembly 9/16" Bore Master Cylinder This old school polished hand lever assembly fits 1" handlebars and includes clutch and brake lever/perch...$563.66 -
V-Twin - 26-2179 - Handlebar Master Cylinder 11/16 inch Bore - Fits 1996-2017 Harley-Davidson FXD, 1996-2007 FLT, 1996-2014 FLST, 1996-2003 XL, 1996-2014 FXST
V-Twin Mfg
$223.59Chrome handlebar master cylinder assembly has a 11/16" bore and utilizes a 12mm banjo bolt. Master cylinder comes assembled with internals and lever.For use with dual disc calipers and includes the...$223.59 -
V-Twin - 26-2147 - Handlebar Master Cylinder Clamp Chrome - Fits 1982-1994 Harley-Davidson FXR, 1984-1995 FXST, 1982-1984 FX, FL, 1986-1995 FLST, 1982-1995 XL, FLT, 1991-1995 FXD
V-Twin Mfg
$11.74Handlebar master cylinder chrome clamp. Fits:FXR 1982-1994FXST 1984-1995FX 1982-1984FL 1982-1984FLST 1986-1995XL 1982-1995FLT 1982-1995FXD 1991-1995Additional Information$11.74 -
V-Twin - 15-0204 - Handlebar Master Cylinder Gasket
Gary Bang
MSRP: $13.14$13.00V-Twin - 15-0204 - Handlebar Master Cylinder GasketDescriptionHandlebar master cylinder gasket Fits:FX 1982-1984FL 1982-1984XL 1982-1984Additional InformationMSRP: $13.14$13.00 -
Drag Specialties - DS290708 - Master Cylinder Assembly - Chrome
Drag Specialties
$152.59Drag Specialties - DS290708 - Master Cylinder Assembly - ChromeFeaturesChrome-plated assembly includes brake lever, reservoir cover, brake line fitting and all internal componentsSpecs$152.59 -
HardDrive - Master Cylinder Cover - fits '82-'95 HD Models
HardDrive
MSRP: $24.95$19.76HardDrive Master Cylinder Cover - fits '82-'95 HD Models Features: Chrome Fitment: 1995 - FXDS-Conv Dyna Convertible 1995 - FLHTCU Electra Glide Ultra Classic 1995 - FLSTC Heritage Softail...MSRP: $24.95$19.76 -
Drag Specialties - Front Brake Master Cylinder Assembly
Drag Specialties
$330.67 - $331.73Drag Specialties - Front Brake Master Cylinder Assembly The Drag Specialties Front Brake Master Cylinder Assembly is a high-quality and durable option for your motorcycle's braking system. With a...$330.67 - $331.73 -
V-Twin - 26-0624 - Chrome Handlebar Master Cylinder Assembly - Fits 1972-1981 Harley-Davidson XL, FL, FX
V-Twin Mfg
$194.26Master cylinder has a 3/4" bore and includes the brake lever, stop light switch, reservoir cover, and all internal components.Accepts a 10mm banjo bolt. Fits:XL 1972-1981FL 1972-1981FX...$194.26 -
V-Twin - 16-0786 - 11/16 inch Master Cylinder Flex Hone Tool
Brush Research
$48.00V-Twin - 16-0786 - 11/16 inch Master Cylinder Flex Hone ToolDescription11/16" master cylinder flex hone tool Fits:All modelsAdditional Information$48.00 -
Harddrive - 86264 - Master Cylinder Rebuild Kit 11Mm Single 07-Up Xl
HardDrive
$14.36Harddrive - 86264 - Master Cylinder Rebuild Kit 11Mm Single 07-Up XlFeaturesGlobal Trade Item Number: 191361130441For OEM and aftermarket front master cylinders.Fitment$14.36 -
V-Twin - 26-2229 - Clutch Hand Lever and Master Cylinder Clamp Chrome
V-Twin Mfg
$16.39V-Twin - 26-2229 - Clutch Hand Lever and Master Cylinder Clamp ChromeDescriptionClutch hand lever and master cylinder clamp features a chrome finish. Fits:XL 2014-UPAdditional Information$16.39 -
V-Twin - 26-2153 - Handlebar Master Cylinder 3/4 inch Bore Black - Fits 1982-1994 Harley-Davidson FXR, 1984-1995 FXST, 1982-1984 FX, FL, 1986-1995 FLST, 1982-1995 XL, 1991-1995 FXD
V-Twin Mfg
$258.12Black handlebar master cylinder assembly has a 3/4" bore, utilizes a 10mm banjo fitting for use with a 10mm 3/8" x 24 banjo bolt. Master cylinder comes assembled with internals, lever and clamp....$258.12 -
V-Twin - 26-0997 - Handlebar Clutch Master Cylinder Rebuild Kit
V-Twin Mfg
$66.46V-Twin - 26-0997 - Handlebar Clutch Master Cylinder Rebuild KitDescriptionHandlebar clutch master cylinder rebuild kit.. Fits:FLT 2006-UP models with hyrdraulic clutch handleAdditional Information$66.46 -
V-Twin - 26-0606 - Handlebar Master Cylinder 1/2 inch Bore Black - Fits 2004-2006 Harley-Davidson XL
V-Twin Mfg
$246.36Black handlebar master cylinder assembly has a 1/2" bore. Master cylinder comes assembled with internals and lever. For use with single disc caliper. Fits:XL 2004-2006Additional Information$246.36 -
V-Twin - 26-0547 - Handlebar Master Cylinder Rebuild Kit - Fits 1972-1981 Harley-Davidson XL, FL, FX
V-Twin Mfg
$65.163/4" handlebar master cylinder rebuild kit includes the plunger hardware. Fits:XL 1972-1981FL 1972-1981FX 1972-1981Additional Information UOM$65.16 -
V-Twin - 23-1716 - Handlebar Master Cylinder Rebuild Kit
Edart
$22.96V-Twin - 23-1716 - Handlebar Master Cylinder Rebuild KitDescriptionRebuild kit rebuilds 3/4" bore front master cylinder.*NOTE: Must order master cylinder top gasket separately. Fits:FX 1982-1983XL...$22.96 -
Joker Machine - 08-01SB - Master Cylinder Cover - Smooth - Black - 99-17
Joker Machine
$59.95Joker Machine - 08-01SB - Master Cylinder Cover - Smooth - Black - 99-17FeaturesReplace that stock cast cover and add some billet style to your stock master cylinder assemblyMade in the U.S.A...$59.95 -
Covingtons - C3057-C - Rear Master Cylinder Cover - Diamondback - Chrome
Covington's Customs
$90.95Covingtons - C3057-C - Rear Master Cylinder Cover - Diamondback - ChromeFeaturesCNC machined from billet aluminumCNC-machined from billet aluminumIncludes new mounting hardwareMade in the U.S.A.Specs$90.95 -
Drag Specialties - Chrome Socket-Head Master Cylinder Screws fits '99-'17 Big Twin, '96-'13 Sportster Models (Except '15-'17 Softails, '08-'17 Dressers, H-D FL Trike (OEM #45044-96, 42808-04))
Drag Specialties
$21.55Drag Specialties - Chrome Socket-Head Master Cylinder Screws fits '99-'17 Big Twin, '96-'13 Sportster Models (Except '15-'17 Softails, '08-'17 Dressers, H-D FL Trike (OEM #45044-96,...$21.55 -
V-Twin - 26-1013 - Hand Control Kit Black 9/16" Bore Master Cylinder
V-Twin Mfg
$555.89V-Twin Hand Control Kit Black 9/16" Bore Master Cylinder Old school black hand lever assembly includes clutch and brake. Master cylinder is 9/16" bore for single caliper use. Fits: Custom...$555.89 -
Drag Specialties - Front Brake Master Cylinder Assembly - Black - 11/16" Bore
Drag Specialties
$312.65Drag Specialties - Front Brake Master Cylinder Assembly - Black - 11/16" Bore The Drag Specialties Front Brake Master Cylinder Assembly in black features an 11/16" bore. The assembly includes both...$312.65 -
Thrashin Supply Co. - Front Brake Master Cylinder Cover - fits '18 & Up M8 Softail Models
Thrashin Supply
$89.95 - $94.95Thrashin Supply Co. - Front Brake Master Cylinder Cover - fits '18 & Up M8 Softail Models Features: 6061 aircraft-grade aluminum Hardware included$89.95 - $94.95 -
Drag Specialties - Cut Down Chrome Front Brake Master Cylinder - 11/16" Bore
Drag Specialties
$296.75Drag Specialties - Cut Down Chrome Front Brake Master Cylinder - 11/16" Bore The Drag Specialties Cut Down Front Brake Master Cylinder is a great option for riders looking for a sleek and...$296.75 -
Drag Specialties - Cut Down Chrome Front Brake Master Cylinder - 5/8" Bore
Drag Specialties
$310.53Drag Specialties - Cut Down Chrome Front Brake Master Cylinder - 5/8" Bore The Drag Specialties Cut Down Front Brake Master Cylinder is made from chrome die-cast aluminum and has been cut d$310.53 -
Drag Specialties - Front Brake Master Cylinder Assembly - Chrome - 11/16" Bore
Drag Specialties
$313.71Drag Specialties - Front Brake Master Cylinder Assembly - Chrome - 11/16" Bore The Drag Specialties Front Brake Master Cylinder Assembly is designed with a Chrome 11/16" bore and comes with a lever...$313.71 -
Drag Specialties - Front Brake Master Cylinder Assembly - 11/16" Bore -Chrome
Drag Specialties
$330.67Drag Specialties - Front Brake Master Cylinder Assembly - 11/16" Bore - Chrome The Drag Specialties Front Brake Master Cylinder Assembly is a high-quality and durable option for your motorc$330.67 -
Drag Specialties - Front Brake Master Cylinder Assembly - Black - 5/8" Bore
Drag Specialties
$312.65Drag Specialties - Front Brake Master Cylinder Assembly - Black - 5/8" Bore Features: Include lever and clamp half Compatible with$312.65 -
V-Twin - 26-2145 - Handlebar Master Cylinder 3/4 inch Bore - Fits 1982-1994 Harley-Davidson FXR, 1984-1995 FXST, 1982-1984 FX, FL, 1986-1995 FLST, 1982-1995 XL, 1991-1995 FXD
V-Twin Mfg
$278.91Chrome handlebar master cylinder has a 3/4" bore, utilizes a 10mm banjo fitting with a 10mm 3/8" x 24 banjo bolt. Includes internals and lever Fits:FXR 1982-1994FXST 1984-1995FX 1982-1984FL...$278.91 -
V-Twin - 26-0622 - Handlebar Master Cylinder Fitting Chrome - Fits 1972-1981 Harley-Davidson XL, FL
V-Twin Mfg
$14.85Chrome angle fitting for the brake hose to the front master cylinder. Fits:XL 1972-1981FL 1972-1981Additional Information OEM No.43307-78$14.85
Drag Specialties - Front Master Cylinder Repair Kit fits '14-'22 Sportster Single Disc Models (Except RH Sportster (OEM #417000-84)) - ABS
Drag Specialties
$28.57Drag Specialties - Front Master Cylinder Repair Kit fits '14-'22 Sportster Single Disc Models (Except RH Sportster (OEM #417000-84)) - ABS Features: Meet or exceed OEM specifications Fitm$28.57
Drag Specialties - Front Master Cylinder Gasket
Drag Specialties
$42.35Drag Specialties - Front Master Cylinder GasketFeaturesReplacement Part for OEM Number(s): 4285706ASpecsProduct N$42.35
Drag Specialties - Front Master Cylinder Cover
Drag Specialties
$59.50Drag Specialties - Front Master Cylinder CoverFeaturesReplacement Part for OEM Number(s): 4212308SpecsProduct Nam$59.50
Kodlin - KUS25858 - Master Cylinder Cover - Vektor - Gloss Black
Kodlin
$49.99Kodlin Usa - KUS25858 - Master Cylinder Cover - Vektor - Gloss BlackFeaturesIncluded matching hardware allows for very easy installationReplaces the plastic stock coverSpecs$49.99
Kodlin - KUS25859 - Master Cylinder Cover - Vektor - Chrome
Kodlin
$49.99Kodlin Usa - KUS25859 - Master Cylinder Cover - Vektor - ChromeFeaturesIncluded matching hardware allows for very easy installationReplaces the plastic stock coverSpecs$49.99
Harley Front Master Cylinders, Rebuild Kits and Covers
The master cylinder decides how your front brake feels at the lever. Replace a leaking one, rebuild the one you have, or clean up the bars with a new assembly. We stock front master cylinders from Drag Specialties, V-Twin Mfg, Performance Machine, Joker Machine, GMA and Hawg Halters.
Match the Bore to Your Brakes
- 9/16" bore: stock single disc front ends, '96–'17
- 11/16" bore: stock dual disc front ends, '96–'17
- 5/8" and other sizes: in the listings for custom setups
The wrong bore gives you a lever that's rock hard or one that comes back to the grip, so check it before you order.
What's Here
- Complete assemblies: chrome and black, stock style and cut down
- Rebuild kits: by year and bore
- Covers: stock replacement and custom
- Hand lever assemblies: old school master cylinder and lever sets for choppers and bobbers
Finish the front brake with brake lines, brake calipers, brake rotors and levers. For the back, see rear master cylinders, or shop all Harley brakes.
Not Sure It Fits?
Year, bore and single or dual disc all matter, and plenty of master cylinders look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.