Boat Trailer Brakes | Drum, Disc, Surge Brakes & Lines

Boat Trailer Brake Parts

We have everything you need to work on the brakes of your boat trailer! From complete disc brake conversion kits, surge brakes, galvanized backing plates, and hydraulic lines and fittings.



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Price $74.97

ATW-85841
Atwood - Master Cylinder for Atwood Drum Brake Actuator (Obsolete/Discontinued)

Brake master cylinder for Atwood Model 60 surge acuator. Includes internal piston, seals and spring
Price $14.95

ATW-85842
Atwood - Shoulder Bolt Replacement Kit (Obsolete/Discontinued)

Shoulder bolt replacement kit - Replaces front shock bolts for Atwood brake systems
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Price $48.95

ATW-85852
Atwood - Push Rod Replacement Kit (Obsolete/Discontinued)

Push rod replacement kit for Atwood Brake Actuators - Replaces push rod, break-away cable, master cylinder boot,and misc nuts...
Price $109.27

BLU-0347-001
BluDot - Tandem Axle Brake Line Kit - For 12-14' Trailers

Brake line installation kit for 12-14 foot tandem axle trailers - This kit includes everything from the hitch back to each...
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Price $114.66

BLU-0347-002
BluDot - Tandem Axle Brake Line Kit - For 14-16' Trailers

Brake line installation kit for 14-16 foot tandem axle trailers - Includes all parts needed from the hitch back to each wheel...
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Price $0.53

BLU-1457
BluDot - Brake Hose Retainer Clip

Brake hose clip used to hold rubber brake hose to weld bracket
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Price $22.97

BLU-18018-MF
BluDot - 18" Rubber Brake Hose - Male / Female 3/16" Inverted Flare

3/16" x 18" brake hose for hydraulic brake system - 3/16" female end and 3/16 male inverted flare connections - Female end...
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Price $25.08

BLU-18024-MF
BluDot - 24" Rubber Brake Hose - Male / Female 3/16" Inverted Flare

3/16" x 24" brake hose for hydraulic brake system - 3/16" female end and 3/16 male inverted flare connections - Female end...
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Price $1.42

BLU-25X15
BluDot - Rubber Brake Hose Bracket

Bracket (bolt on or weld on) for support of rubber brake line when connected to hard line - To be used with brake hose...
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Price $1.69

BLU-302X3
BluDot - 3/16" Brake Line Coupler / Union - 2 Female

3/16" brass brake line coupler - Female/female union for coupling two 3/16 male brake lines together
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Price $6.34

BLU-7812
BluDot - 3/16" Brake Line "T" with Bracket - 3 Female

Brass Tee brake line fitting with weld or bolt on bracket for splitting 1 input line to 2 output brake lines
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Price $5.27

BLU-7900
BluDot - 3/16" Brake Line Adapter "T" - 2 Female 1 Male

3/16" Brake line adapter tee - "T" fitting - 2 female and 1 male - 3/8" wrench required
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Price $8.79

DEM-03866-95
Demco - Surge Brake Actuator Lever Guide

Guide for On/Off lever for Demco trailer surge brake actuators - Emergency lever guide
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Price $19.54

DEM-03876
Demco - Surge Brake Master Cylinder Cap

Master cylinder filler cap for Demco trailer brake system
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Price $12.49

DEM-05408
Demco - 42" Surge Brake Actuator Safety Cable

Lanyard breakaway cable for Demco hydraulic surge brake systems - Automatically activates trailer brakes if the trailer...
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Price $3.29

DEM-05679
Demco - .125 Brake Orifice Fitting - Full Flow - 3/8" Thread

Brass hydraulic orifice connector for Demco surge actuator. Used to connect the interface to the brake line of the master...
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Price $9.39

DEM-05951
Demco - Surge Brake Actuator Safety Lever

Breakaway lever for Demco model trailer surge brake actuators
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Price $7.65

DEM-10737
Demco - 90° Brake Orifice Fitting for Surge Brake Actuator - 3/8" Thread

90 degree brake orifice fitting for Demco trailer surge brake actuator. Used to connect the interface to the brake line of the...
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Price $42.45

DEM-10965
Demco - Surge Brake Actuator Top Slide Channel

Upper wear pad/spacer for master cylinder assembly housing for model DA10, DA20, and DA91 surge brake actuators
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Price $42.45

DEM-10966
Demco - Surge Brake Actuator Bottom Slide Channel

Lower wear pad/spacer for master cylinder assembly housing for model DA10, DA20, and DA91 surge brake actuators
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Price $3.36

DEM-10967
Demco - Side Spacer Block for DA91 Surge Actuator

Side spacer blocks used in the assembly of Model DA91 hydraulic surge brake actuator - 2 required
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Price $98.37

DEM-11077-97
Demco - 4 Hole Up Inner Slide - DA91 - Primer

4 hole up inner slide for DA91 surge brake actuator - Red primer painted
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Price $14.06

DEM-11674-95
Demco - Solenoid Cover - DA10 & DA91 - Zinc

Brake solenoid cover for DA10, DA12.5, and DA91 surge brake actuators - Zinc plated
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Price $11.03

DEM-12200
Demco - 28" Brake Actuator Safety Cable

Breakaway cable with hook for hydraulic actuators - 28" overall length - Fits DA66B, DA86B, and DA91
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Price $9.24

DEM-12557
Demco - Master Cylinder Fill Plate - 5650 & 5672 Master Cylinders

Master cylinder fill plate for 5650 and 5670 master cylinders - For new style surge units without threaded hole in case for...
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Price $82.28

DEM-5650
Demco - Master Cylinder Kit for Surge Actuators with Drum Brakes

Composite replacement master cylinder for all Demco DA91 and DA20 surge units with drum brakes
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Price $82.28

DEM-5672
Demco - Master Cylinder Kit for Surge Actuators with Disc Brakes

Replacement master cylinder kit for Demco disc brake surge actuators - Fits DA66, DA86, DA91, DA10, and DA20 Demco actuators
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Demco - 6k DA66B Drum Surge Unit - Top Mount -...
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Price $185.59

DEM-8605001
Demco - 6k DA66B Drum Surge Unit - Top Mount - 2" Lever Lock Coupler

Demco DA66B surge brake actuator for trailers equipped with drum brakes - Top mount - 2" Lever lock ball coupler - 6000 lbs...
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Price $214.89

DEM-8605101
Demco - 6k DA66B Disc Surge Unit - 2" Lever Lock Coupler

DA66B surge brake actuator for trailers equipped with disc brakes - 2" lever lock ball coupler - 6000 lbs capacity - With...
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Price $219.11

DEM-8608601
Demco - 8.6k DA86 Drum Surge Unit - 2" EZ-Latch - Bolt On Case

DA86 Surge brake actuator for trailers equipped with drum brakes - 2" eZ-Latch ball coupler - Bolt on case - 8600 lbs capacity...
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Price $266.44

DEM-8608611
Demco - 8.6k DA86 Disc Surge Unit - 2" EZ-Latch - Bolt On Case

DA86 Surge brake actuator for trailers equipped with disc brakes - 2" eZ-Latch ball coupler - Bolt on case - 8600 lbs capacity...
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Price $374.94

DEM-8750311
Demco - 8K DA91 Disc Surge Unit - 2-5/16" EZ-Latch - Drop Tube - 5 Hole Mount Outer Case

2 5/16" eZ-Latch Demco DA91 surge brake actuator for trailers equipped with disc brakes - Zinc plated - Drop tube - 5 hole...
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Price $307.95

DEM-8759231
Demco - 7.5k DA91 Drum Surge Unit - Channel Down - Standard Outer Case

DA91 Surge brake actuator for trailers equipped with drum brakes - 4 hole channel down - Standard outer case - 7500 lbs capacity
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Price $203.20

DEM-8759241
Demco - 7.5k DA91 Drum Surge Unit - Channel Up - Standard Outer Case

DA91 Surge brake actuator for trailers equipped with drum brakes - 4 hole channel up - Standard outer case - 7500 lbs capacity
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Price $3.29

DEM-SB12099
Demco - .031" Brake Orifice Fitting - 3/8" Thread

.031" Brass brake orifice fitting - 3/8" male to female straight brass brake line connection fitting - Screws into rear of...
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Price $44.37

DEM-SB12426
Demco - Damper Shock for Demco Surge Actuator

Damper shock for Demco DA10, DA20, and DA91 surge brake actuator
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Price $100.27

DEM-SB40715M
Demco - 5.2k RH 10" x 2-1/4" Galvanized Free Backing Brake Assembly - GalvX

Demco 10" x 2-1/4" hydraulic free backing brake assembly - Right hand side - For 5200 lbs axle - Galvanized (GalvX finish)
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Price $100.27

DEM-SB40716M
Demco - 5.2k LH 10" x 2-1/4" Galvanized Free Backing Brake Assembly - GalvX

Demco 10" x 2-1/4" hydraulic free backing brake assembly - Left hand side - For 5200 lbs axle - Galvanized (GalvX finish)
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Price $106.50

DEM-SB42028M
Demco - 5.2k RH 12" x 2" Galvanized Free Backing Brake Assembly - GalvX

Demco 12" x 2" hydraulic free backing brake assembly - Right hand side - For 5200 lbs axle - Galvanized (GalvX finish)
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Price $106.50

DEM-SB42029M
Demco - 5.2k LH 12" x 2" Free Backing Brake Assembly - GalvX

Demco 12" x 2" free backing brake assembly - Left hand side - For 5200 lbs axle - Galvanized (GalvX finish)
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Price $308.97

DEX-089-002-02
Dexter - Dual Piston Brake Caliper - For 10k to 12k Disc Brakes

Brake caliper for 10,000 to 12,000 lbs disc brakes - Dual piston - Does not include brake pads
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Price $199.38

DEX-K71-180-00
Dexter - 10k to 12k Disc Brake Pad Set

Semi-metallic disc brake pad set - For 10,000 lbs to 12,000 lbs axle
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Price $219.96

DEX-K71-629-00
Dexter - Brake Pad Kit - For 6k to 8k Disc Brakes

Replacement disc brake pad kit for 6000 to 8000 lbs disc brakes - Services two brakes
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Price $792.42

DEX-K71-650-00
Dexter - Electric / Hydraulic Brake Actuator - Drum Brakes

Electric/Hydraulic brake actuator for trailers equipped with drum brakes - For use on trailers with 1 to 3 axles -1000 psi
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Price $825.93

DEX-K71-651-00
Dexter - Electric / Hydraulic Brake Actuator - Disc Brakes

Electric/Hydraulic brake actuator for trailers equipped with disc brakes - For use on trailers with 1 to 3 axles -1600 psi
Price $46.67

FRA-701
Stainless Steel Spring Kit - 10" Hydraulic Free Backing

Stainless steel hardware and spring kit - For 10" hydraulic free backing brakes - 10" x 2 1/4" freebacking galvanized brakes...
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Price $36.81

FRA-702
Stainless Steel Spring Kit - 10" Hydraulic Uni-Servo

Stainless steel hardware and spring kit - For 10" hydraulic uni-servo brakes - 10" x 2 1/4" uni-servo galvanized brakes - For...
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Price $93.45

FRA-F40410
10" x 2-1/4" Hydraulic Free Backing Brake Shoe Kit

Brake shoe and lining kit for 10" x 2 1/4" galvanized hydraulic free backing brakes - For use on GALVX / Tie Down Engineering...
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Price $120.23

FRA-F40411
10" x 2-1/4" Hydraulic Uni-Servo Brake Shoe Kit

Brake shoe and lining kit for 10" x 2 1/4" galvanized hydraulic uni-servo brakes - For use on GALVX / Tie Down Engineering...
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Price $103.35

FRA-F40412
12" x 2" Hydraulic Free Backing Brake Shoe Kit

Brake shoe and lining kit for 12" x 2" galvanized hydraulic free backing brakes - For use on GALVX / Tie Down Engineering brakes
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Price $80.52

FRA-F82084
Eliminator, Vented, Disc Brake Pad Set

Eliminator vented disc brake pad set - For 46304 caliper - For 10" and 12" disc brakes - Set of 4 pads for 2 calipers
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Price $39.36

FUL-600
Fulton - Hydraulic Brake Flush Kit

Hydraulic brake flush kit - Kit includes hose, bracket, hose connections, quick ties and instruction sheet
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Price $36.32

HAC-DOT-168
Hose & Accessories - 168" Flexible Brake Line

Flexible plastic coated rubber brake line - 168" (14') overall length - 3/16" inverted flare male fitting on both ends
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Price $21.23

HAC-DOT-18
Hose & Accessories - 18" Flexible Brake Line

Flexible rubber brake line - 18" overall length - 3/16" inverted flare male fittings on both ends
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Price $46.92

HAC-DOT-240
Hose & Accessories - 240" Flexible Brake Line

Flexible rubber brake line - 240" (20') overall length - 3/16" inverted flare male fittings on both ends
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Price $17.48

HAC-DOT-40
Hose & Accessories - 40" Flexible Brake Line

Flexible rubber brake line - 40" overall length - 3/16" inverted flare male fittings on both ends
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Price $23.36

HAC-DOT-80
Hose & Accessories - 80" Flexible Brake Line

Flexible rubber brake line - 80" overall length - 3/16" inverted flare male fittings on both ends
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Price $357.40

KOD-2/HRCM-10-DAC-KIT
Kodiak - Complete 3.5k Axle Disc Brake Conversion Kit - 10" Rotor/Hub - Dacromet

Complete axle disc brake conversion kit for 2 wheels - For 3500 lb axle - 5 on 4.5" bolt pattern with 1/2" studs - 4 bolt...
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Price $431.66

KOD-2/HRCM-12-DAC-KIT
Kodiak - Complete 5.2k to 6k Axle Disc Brake Conversion Kit - 12" Hub / Rotor - Dacromet

Complete axle disc brake conversion kit for 2 wheels - For 5200 to 6000 lbs axle - 6 on 5.5" bolt pattern with 1/2" studs - 5...
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Price $290.13

KOD-2/RCM-10-DAC-KIT
Kodiak - Complete 3.5k Axle Disc Brake Conversion Kit - 10" Rotor - Dacromet

Complete axle disc brake conversion kit for 2 wheels - For 3500 lb axle - 5 on 4.5" bolt pattern - For use with 1/2" studs - 4...
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Price $479.71

KOD-2HRCM-13378
Kodiak - Complete 7k Axle Disc Brake Conversion Kit - 13" Rotor/Hub - Standard

Complete axle disc brake conversion kit for 2 wheels - For 7000 lb axle - 8 on 6.5" bolt pattern with 1/2" studs - 5 bolt...
Price $641.53

KOD-2HRCM13378DAC-KIT
Kodiak - Complete 7k Axle Disc Brake Conversion Kit - 13" Rotor/Hub - Dacromet

Complete axle disc brake conversion kit for 2 wheels - For 7000 lb axle - 8 on 6.5" bolt pattern with 1/2" studs - 5 bolt...
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Price $17.60

KOD-CMB-10I
Kodiak - Caliper Mounting Bracket - 10" Hub / Rotor - E-Coat

Caliper mounting bracket - For 10" integral hub / rotor - 3500 lb - E-Coat
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Price $79.92

KOD-CMB-133-7
Kodiak - Caliper Mounting Bracket - 13" Rotor and Hub / Rotor - E-Coat

Caliper mounting bracket - For 13" rotor and integral hub / rotor with 1/2" studs - 5200 to 6000 lb - Fits 5 bolt brake flange...
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Price $147.67

KOD-DBC-225-DAC
Kodiak - 3.5k to 6k Brake Caliper - Dacromet

Disc brake caliper - 225 series - 2 1/4" stainless steel piston - 3500 to 6000 lb - Loaded with ceramic brake pads - Includes...
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Price $179.78

KOD-DBC-250-DAC
Kodiak - 7k to 8k Brake Caliper - Dacromet

Disc brake caliper - 250 series - 2 1/2" stainless steel piston - 7000 to 8000 lbs - Loaded with ceramic brake pads - Includes...
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Price $8.69

KOD-DBC-FIFMP90
Kodiak - 90° Brake Line Adapter Port

90° Brake line adapter port - For Kodiak brake calipers - 1/8" NPT to 3/16" FIF
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Price $0.87

KOD-DBC-MB
Kodiak - O-Ring for Guide Bolt Sleeve

Guide bolt sleeve o-ring - For Kodiak calipers - Rubber - 1/2" diameter
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Price $8.88

KOD-DBC-MHBS
Kodiak - Caliper Guide Bolt Sleeve

Caliper guide bolt sleeve - Stainless steel - 2" long - 1/2" diameter
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Price $4.83

KOD-DBC-MHBSB
Kodiak - Rubber Bushing for Guide Bolt Sleeve

Rubber bushing for guide bolt sleeve - For use on Kodiak calipers - Compatible with ABS
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Price $14.97

KOD-DBC-MHGB
Kodiak - Caliper Guide Bolt

Caliper guide bolt with thread locker - Stainless steel - M11 x 1.5" - 5/16" allen or 1/2" hex
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Price $65.21

KOD-DBC225PADCE
Kodiak - Ceramic Brake Pads - 225 Series Caliper

Ceramic brake pad set - For use on Kodiak 225 series calipers - 2 inner and 2 outer pads
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Price $97.04

KOD-DBC250PADCE
Kodiak - Ceramic Brake Pads - 250 Series Caliper

Ceramic brake pad set - For use on Kodiak 250 series calipers - 2 inner and 2 outer pads
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Price $6.86

KOD-DBCNPTADPBS
Kodiak - Caliper Bleed Port

Caliper bleed port - 1/4"-28 bleed screw - 1/8" adapter
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