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 $9.39

DEM-05951
Demco - Surge Brake Actuator Safety Lever

Breakaway lever for Demco model trailer surge brake actuators
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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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