Dirt Bike Rebuild Kits and Parts
Dirt Bike Brake Caliper Rebuild Kits & Parts for Honda, Yamaha & KTM at JJ Motorsports
Restore your dirt bike's hydraulic braking system to like-new condition with premium caliper rebuild kits and parts from JJ Motorsports. Our selection includes complete kits with pistons, seals, O-rings, bleed screws, and hardware designed for leak-free operation, smooth piston movement, and reliable performance in motocross, enduro, and trail riding. Compatible with top models like Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these high-quality components eliminate sticky calipers, spongy feel, and fluid loss while extending caliper life in dusty, wet, or high-heat conditions. From Moose Racing's OEM-spec front and rear kits to individual seals and pistons, get everything needed for a full caliper refresh without replacing the entire unit—perfect for maintenance, race prep, or off-season rebuilds.
Shop trusted brands like Moose Racing for race-proven quality. Explore related categories such as dirt bike brake lines for hydraulic upgrades or dirt bike braking for pads and rotors.
Top Brake Caliper Rebuild Kits
- Moose Racing Caliper Rebuild Kit Rear Yamaha 18-1118 – Complete rear caliper rebuild kit for Yamaha models; includes piston, seals, O-rings, and hardware for leak-free, smooth operation.
- Moose Racing Caliper Rebuild Kit Front KTM 18-3283 – Front caliper kit with high-quality seals and piston for KTM SX/EXC; restores firm braking and prevents fluid bypass.
- Moose Racing Caliper Rebuild Kit Front Honda 08-101X – OEM-spec front rebuild kit for Honda CRF with all necessary components; ensures precise piston fit and long-term reliability.
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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE UTILITY Wheel Cylinder Repair Kit - YFM400 06-561M
MOOSE UTILITY
$40.95Brake system reliability is non-negotiable when you're pushing your machine to its limits. A failing wheel cylinder compromises your entire hydraulic braking circuit, leaving you stranded or worse. This complete repair kit gives you everything needed to...17020008- SKU:
- 17020008
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- WHEEL CYLINDER
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- UTV
$40.95 -
MOOSE UTILITY Rear Brake Caliper Pins 08-056
MOOSE UTILITY
$10.95Brake caliper pins are critical to brake system integrity—worn or damaged pins compromise pad alignment and increase stopping distances. MOOSE UTILITY's OEM-sourced pins from Nissin ensure precise fitment and reliable performance across multiple ATV and...17020111- SKU:
- 17020111
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- PIN KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$10.95 -
K&S TECHNOLOGIES Brake Caliper Seal Kit 19-1008
K&S TECHNOLOGIES
$11.95Brake system performance hinges on seal integrity—worn or degraded caliper seals lead to fluid leakage, reduced braking power, and potential safety hazards. The K&S TECHNOLOGIES Brake Caliper Seal Kit 19-1008 delivers precision EPDM seals engineered to...17020234- SKU:
- 17020234
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MOUNTING POSITION:
- REAR
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
$11.95 -
On Sale
GMA ENGINEERING BY BDL Caliper Rebuild Kit - 500/525 Calipers GMA500/525CMRBK
GMA ENGINEERING BY BDL
MSRP: $114.95Now: $74.00Was: $114.95Brake system reliability is non-negotiable in high-performance racing, and worn calipers compromise both safety and stopping power. This complete rebuild kit restores your GMA 500/525 calipers to OEM specifications, eliminating fluid leaks, spongy pedal...17020462- SKU:
- 17020462
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STYLE:
- FOR GMA 500/525 CALIPERS
MSRP: $114.95Now: $74.00Was: $114.95 -
On Sale
PROX Brake Caliper Rebuild Kit - Front 37.63005
PROX
MSRP: $27.95Now: $21.00Was: $27.95Brake system reliability is non-negotiable whether you're on the track or the street—worn seals and contaminated fluid compromise stopping power and safety. This PROX front brake caliper rebuild kit restores your braking system to OEM specifications with...17020501- SKU:
- 17020501
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
MSRP: $27.95Now: $21.00Was: $27.95 -
On Sale
PROX Brake Caliper Rebuild Kit - Rear 37.63028
PROX
MSRP: $27.95Now: $21.00Was: $27.95A deteriorating brake caliper compromises your stopping power and safety—exactly what you can't afford on track or street. This PROX rear caliper rebuild kit restores your braking system to OEM specifications with OEM-quality seals, pistons, and hardware...17020502- SKU:
- 17020502
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REBUILD KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
MSRP: $27.95Now: $21.00Was: $27.95 -
On Sale
PROX Brake Caliper Rebuild Kit - Rear 37.63033
PROX
MSRP: $27.95Now: $21.00Was: $27.95Brake performance degradation is inevitable—contaminated fluid, worn seals, and corroded pistons compromise stopping power and responsiveness over time. A complete caliper rebuild restores OEM hydraulic function and eliminates the guesswork of partial...17020510- SKU:
- 17020510
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
MSRP: $27.95Now: $21.00Was: $27.95 -
MOOSE RACING Caliper Rebuild Kit - Front - Yamaha 18-3011
MOOSE RACING
$30.95A worn or degraded brake caliper compromises stopping power and safety, making a quality rebuild kit essential for maintaining peak braking performance. This MOOSE RACING Caliper Rebuild Kit restores your front calipers to OEM specifications with...17020642- SKU:
- 17020642
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$30.95 -
ALL BALLS Brake Caliper Piston 18-9028
ALL BALLS
$51.42Brake caliper pistons wear under constant thermal and hydraulic stress—a worn piston compromises stopping power and can lead to uneven pad wear or fluid leakage. The ALL BALLS 18-9028 is precision-machined from 304 stainless steel to maintain consistent...17020654- SKU:
- 17020654
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$51.42 -
ALL BALLS Brake Caliper Piston 18-9002
ALL BALLS
$27.97A brake caliper piston in poor condition directly compromises braking performance and safety. Over time, pistons wear, corrode, or develop micro-scoring that reduces hydraulic pressure consistency and causes uneven pad contact. The ALL BALLS 18-9002...17020665- SKU:
- 17020665
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
$27.97 -
ALL BALLS Brake Caliper Piston 18-9011
ALL BALLS
$27.97Brake system reliability depends on precision-engineered components that can withstand extreme pressure and thermal cycling. A worn or degraded caliper piston directly compromises stopping power and braking consistency—exactly why OEM-equivalent parts...17020666- SKU:
- 17020666
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
$27.97 -
ALL BALLS Brake Caliper Piston 18-9014
ALL BALLS
$50.38A worn or corroded brake caliper piston compromises stopping power and can lead to uneven braking pressure across your system. The ALL BALLS 18-9014 replaces that weak link with precision-engineered 304 stainless steel, restoring the responsiveness and...17020650- SKU:
- 17020650
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$50.38 -
MOTO-MASTER Brake Caliper Slider Pin 213085-PU
MOTO-MASTER
$33.95Worn or corroded brake caliper slider pins compromise braking response and can lead to uneven pad wear or caliper binding. The MOTO-MASTER 213085-PU restores proper caliper float and engagement, ensuring consistent brake pressure and safer stops. As a...17020710- SKU:
- 17020710
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$33.95 -
MOTO-MASTER Retainer Plate - Front 213095-PU
MOTO-MASTER
$24.95A properly secured caliper is non-negotiable for consistent braking performance and safety. The MOTO-MASTER Retainer Plate ensures your Brembo calipers stay precisely positioned under hard braking, eliminating flex and maintaining optimal pad-to-rotor...17020715- SKU:
- 17020715
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$24.95 -
MOTO-MASTER Brake Pad Pin 213020-PU
MOTO-MASTER
$9.95Brake pad pins are critical wear items that directly impact your braking system's reliability and safety. A worn or compromised pin can cause uneven pad pressure, reduced responsiveness, and accelerated rotor damage—especially under high-performance...17020718- SKU:
- 17020718
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOTO-MASTER Brake Pad Pin 213023-PU
MOTO-MASTER
$9.95Brake pad pins are critical retention components that keep your pads seated and aligned under extreme thermal and mechanical stress. A worn or damaged pin compromises pad stability, leading to uneven wear, reduced braking response, and potential safety...17020721- SKU:
- 17020721
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOTO-MASTER Brake Pad Pin 213047-PU
MOTO-MASTER
$12.95Brake pad pins are critical wear items that directly affect the safety and responsiveness of your braking system. A worn or damaged pin compromises pad retention and can lead to uneven braking pressure, reduced stopping power, and potential brake fade...17020730- SKU:
- 17020730
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front - KTM/Husqvarna/Gas Gas 18-3326
MOOSE RACING
$28.95Brake system degradation compromises both safety and track performance—worn seals, contaminated fluid passages, and corroded pistons reduce modulation and stopping power. The MOOSE RACING Caliper Rebuild Kit restores your front brakes to OEM...17020754- SKU:
- 17020754
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$28.95 -
MOOSE RACING Brake Caliper Piston - Kawasaki 08-915
MOOSE RACING
$32.95Brake performance depends on the integrity of your caliper pistons—worn or damaged pistons result in uneven pad pressure, reduced stopping power, and compromised safety. MOOSE Racing brake caliper pistons restore your braking system to OEM...17020172- SKU:
- 17020172
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- TYPE:
- BRAKE CALIPER
- MOUNTING POSITION:
- FRONT
- FEATURES:
- INCLUDES TWO CALIPER PISTONS
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
MOOSE RACING Caliper Rebuild Kit - Front 18-3004
MOOSE RACING
$30.95Brake fade and spongy lever feel are telltale signs your calipers need attention. This MOOSE RACING rebuild kit restores your braking system to OEM specifications with genuine Nissin components, ensuring consistent pressure modulation and stopping power...17020266- SKU:
- 17020266
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- COLOR/FINISH:
- BLACK
- TYPE:
- BRAKE CALIPER
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$30.95
