Harley Rear Master Cylinders and Parts
Harley-Davidson Rear Master Cylinders & Parts at JJ Motorsports
Upgrade or rebuild your Harley’s rear brake master cylinder with premium assemblies and kits from JJ Motorsports, featuring chrome and black finishes for precise feel and reliable performance on Sportster XL, Softail, Dyna, and Touring models. These high-quality components restore crisp rear braking and custom style.
Shop Drag Specialties and Accutronix rear master cylinders for proven durability. Explore related categories such as Harley braking for pads and lines, or Harley for foot controls and pegs to complete your brake setup.
Top Harley-Davidson Rear Master Cylinders & Parts
- Drag Specialties Rear Master Cylinder XL 14+ Chrome 78073C – Chrome rear master cylinder for 2014+ Sportster; direct bolt-on with clean factory look.
- Drag Specialties Master Cylinder Rear 148004-BC422 – Black rear master cylinder assembly; fits Softail and Dyna with smooth operation.
- Accutronix Rear Master Cylinder Assembly MC627-C – Billet chrome rear master cylinder; custom styling with superior pressure delivery.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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JOKER MACHINE Rear Master Cylinder - Warrior - Black 30-392-2
JOKER MACHINE
$54.95Mounting hardware included, Made in the U.S.A., Easy installation17310581- SKU:
- 17310581
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET ALUMINUM
- STYLE:
- WARRIOR
$54.95 -
JOKER MACHINE Master Cylinder Cover - Smooth - Black - 99-17 08-01SB
JOKER MACHINE
$54.95Replace that stock cast cover and add some billet style to your stock master cylinder assembly, Made in the U.S.A.17310612- SKU:
- 17310612
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- MATERIAL:
- 6061-T6 ALUMINUM
- STYLE:
- SMOOTH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
$54.95 -
JOKER MACHINE Master Cylinder Cover - FL - Black 08-009B
JOKER MACHINE
$54.95Replace that stock cast cover and add some billet style to your stock master cylinder assembly, Fully CNC-machined from 6061-T6 with styling that gives your bike a road-racer look, Black anodized covers machined with high-brilliance diamond face cut...17310550- SKU:
- 17310550
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- RE-MACHINED
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- UNITS:
- EACH
$54.95 -
JOKER MACHINE Master Cylinder Cover - Smooth - Black - FL 08-010B
JOKER MACHINE
$54.95Replace that stock cast cover and add some billet style to your stock master cylinder assembly, Made in the U.S.A.17310552- SKU:
- 17310552
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- 6061-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- COVER
- STYLE:
- SMOOTH
- TYPE:
- MASTER CYLINDER
- UNITS:
- EACH
- COLOR/FINISH:
- ANODIZED
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$54.95 -
DRAG SPECIALTIES Master Cylinder Gasket - '04-'06 XL 77359
DRAG SPECIALTIES
$10.15High-quality replacement cover gasket06170210- SKU:
- 06170210
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- MATERIAL:
- RUBBER
$10.15 -
DRAG SPECIALTIES Master Cylinder Gasket - '07-'13 XL 77360
DRAG SPECIALTIES
$12.19High-quality replacement cover gasket06170211- SKU:
- 06170211
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- MOUNTING POSITION:
- REAR
$12.19 -
DRAG SPECIALTIES Rear Master Cylinder Cover - Chrome 76290
DRAG SPECIALTIES
$26.47Includes gasket and mounting screws17310542- SKU:
- 17310542
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- UNITS:
- KIT
$26.47 -
DRAG SPECIALTIES Rear Master Cylinder - XL '14+ - Chrome 78073C
DRAG SPECIALTIES
$36.67Includes gasket and mounting screws17310604- SKU:
- 17310604
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- COVER
$36.67 -
DRAG SPECIALTIES Rear Master Cylinder Gasket - 5 Pack - XL 14-17 78073S
DRAG SPECIALTIES
$24.43Replacement gaskets for rear brake master cylinder cover kits17310605- SKU:
- 17310605
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- PRODUCT NAME:
- GASKET
- UNITS:
- 5 PACK
- MOUNTING POSITION:
- REAR
$24.43 -
DRAG SPECIALTIES Rear Master Cylinder Reservoir Cover - '08-'20 FLT 76715
DRAG SPECIALTIES
$54.01Includes gasket and mounting screws17310190- SKU:
- 17310190
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- UNITS:
- KIT
$54.01 -
COVINGTONS Rear Master Cylinder Cover - Dimpled - Black C1157-B
COVINGTONS
$90.95CNC machined from billet aluminum, Include new mounting hardware, Made in the U.S.A.06100678- SKU:
- 06100678
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- PRODUCT NAME:
- COVER
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- COLOR/FINISH:
- POWDER-COATED
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- STYLE:
- DIMPLED
- TYPE:
- MASTER CYLINDER
$90.95 -
DRAG SPECIALTIES Master Cylinder - Rear 148004-BC422
DRAG SPECIALTIES
$145.81Complete rear master cylinder assemblies, Polished and chrome-platedDS530625- SKU:
- DS530625
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
- COLOR/FINISH:
- POLISHED
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- MASTER CYLINDER
- STYLE:
- STANDARD
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3/4'
$145.81 -
DRAG SPECIALTIES Master Cylinder - Rear 148010-BC422
DRAG SPECIALTIES
$145.81Complete rear master cylinder assemblies, Polished and chrome-platedDS530626- SKU:
- DS530626
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- PRODUCT NAME:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- POLISHED
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- STYLE:
- STANDARD
- BORE SIZE IMPERIAL:
- 3/4'
$145.81 -
EASTERN MOTORCYCLE PARTS Brake Dowel Pin A-44124-72
EASTERN MOTORCYCLE PARTS
$10.60Durable, long-wearing steelDS324613- SKU:
- DS324613
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- DOWEL PIN
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- TYPE:
- BRAKE
$10.60 -
COVINGTONS Rear Master Cylinder Cover - Black C1153-B
COVINGTONS
$90.95CNC machined from billet aluminum, Include new mounting hardware, Made in the U.S.A.06100183- SKU:
- 06100183
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- COLOR/FINISH:
- GLOSS
- STYLE:
- FINNED
- UNITS:
- EACH
- COLOR/FINISH:
- POWDER-COATED
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- COVER
$90.95 -
ACCUTRONIX Rear Master Cylinder Assembly MC627-C
ACCUTRONIX
$299.95Side exit 3/8"-24 thread for 35° 10mm banjo for a straight-back line approach, Smooth, outward-facing side with back-side mounting holes; 2-1/4" bolt pattern, Made in the U.S.A.DS530622- SKU:
- DS530622
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- MASTER CYLINDER
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
$299.95 -
ACCUTRONIX Master Cylinder Assembly - Black MC627-B
ACCUTRONIX
$299.95Smooth, outward-facing side with back-side mounting holes; 21/4" bolt pattern, Side exit 3/8"-24 thread for 35° 10mm banjo for a straight-back line approach, Made in the U.S.A.17310411- SKU:
- 17310411
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE SIZE IMPERIAL:
- 5/8'
- PRODUCT NAME:
- MASTER CYLINDER
- STYLE:
- CUSTOM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
$299.95 -
EASTERN MOTORCYCLE PARTS Rear Master Cylinder A-41761-78B
EASTERN MOTORCYCLE PARTS
$143.95Rear brake master cylinder assembly for brake lines, Black finish17310379- SKU:
- 17310379
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- MASTER CYLINDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3/4'
$143.95 -
PERFORMANCE MACHINE (PM) Rebuild Kit - Master Cylinder - 11/16" 0060-3905
PERFORMANCE MACHINE (PM)
$42.95Everything you need to rebuild one Performance Machine master cylinder, Replacement master cylinder cover gasket available separately, Made in the U.S.A.DS243009- SKU:
- DS243009
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MASTER CYLINDER BORE DIAMETER IMPERIAL:
- 11/16'
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- MASTER CYLINDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$42.95 -
DRAG SPECIALTIES Rear Master Cylinder Kit - Chrome 62013
DRAG SPECIALTIES
$221.29Perfect for tight spaces or custom rear brake projects that need that clean look, Features a sleek custom design with a 14 mm bore size, 1-3/16" center to center mount holes on tabs17310609- SKU:
- 17310609
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE IMPERIAL:
- 9/16'
- MATERIAL:
- ALUMINUM
- STYLE:
- CUSTOM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- MASTER CYLINDER
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- MINI
$221.29