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Trailer Axle Part FinderAnswer three questions and get every part that fits, from 2,200 lb to 16,000 lb — brakes, hubs, bearings and seals at the wheel end, springs, equalizers, shackles and hangers underneath.Find my parts

Forward Self-Adjusting Brake Assemblies

SET OF 12" x 2" - 7,000 lbs FORWARD SELF-ADJUSTING BRAKE Lippert Electric Trailer Brake Assembly Left+ RightLippert$146.66In Stock

Self-adjusting during forward stops, no manual adjustment needed
Fits 14.5", 15", or 16" wheels
Five-bolt mounting pattern, DIY installation
Left and right assemblies included, 1-year warranty

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Lippert Forward Self-Adjusting RV Brakes - 12" x 2", 5-Bolt, 4,000-7,000 lbs. (Right) 1224513Lippert$75.81In Stock

4,000-7,000 lbs axle rating, right side installation
Self-adjusting design eliminates manual adjustment after setup
Electric brake assembly, easier DIY install than hydraulic
Up to 50% better braking distance versus manual

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Lippert Forward Self-Adjusting RV Brakes - 12" x 2", 5,200-7,000-lb. Axles (Right Side) 296652Lippert$73.33In Stock

Right side (curb side) self-adjusting assembly
Fits 15 to 17.5 inch wheels
Five-bolt mounting pattern, DIY installation
Compatible with competitor axles, universal application

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SET OF 2, 12" x 2" - 7,000 lbs FORWARD SELF-ADJUSTING BRAKE Lippert Electric Trailer Brake Assembly Left+ RightLippert$293.32In Stock

12" x 2" brake drums for 14.5"-16" wheels
7,000 lbs axle rating per assembly
Self-adjusting during forward stops, no manual adjustment
Five-bolt mounting pattern, DIY installation

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Lippert Forward Self-Adjusting RV Brakes - 12" x 2", 5,200-7,000-lb. Axles (Left Side) 296651Lippert$73.33In Stock

Self-adjusting design requires minimal manual maintenance
Compatible with 15 to 17.5 inch wheels
DIY installation without specialized tools required

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Lippert Forward Self-Adjusting Brakes - 10" x 2-1/4" Driver-Side, 4.4K, 4-Bolt 2024028246Lippert$68.85In Stock

Driver-side, 4-bolt mounting pattern, self-adjusting mechanism
No actuator or hydraulic lines required, easier installation
Universal fit, compatible with Dexter and competitor axles

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Lippert Forward Self-Adjusting RV Brakes - 12" x 2", 5-Bolt, 4,000-7,000 lbs. (Left) 1222593Lippert$75.81In Stock

12" x 2" drum brake, 5-bolt mount pattern
Fits 4,000-7,000 lbs axle rating
Left-hand (roadside) assembly
Self-adjusting during forward stops, no manual tuning

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Lippert Forward Self-Adjusting Brakes - 10" x 2-1/4" Passenger-Side, 4.4K, 4-Bolt 2024028247Lippert$68.85In Stock

Four-bolt pattern, passenger-side, universal fit competitor axles
No actuator or hydraulic lines required for installation
Electric actuator sold separately for complete system

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Lippert Forward Self-Adjusting RV Brakes - 10" x 2.25", 4-Bolt, 3,500 lbs. (Right Side) 1224503Lippert$58.96In Stock

Four-bolt mounting pattern, right side installation
Self-adjusting during forward stops, no manual adjustment needed
Electric brake assembly, easier DIY install than hydraulic
50% better braking distance, reduces magnet wear

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Lippert Forward Self-Adjusting RV Brakes - 10" x 2.25", 4-Bolt, 3,500 lbs. (Left Side) 1222583Lippert$66.37In Stock

10" x 2.25" drum, 3,500 lbs axle rating
Left side, 4-bolt mounting pattern
Self-adjusting during forward stops, no manual adjustment
Electric brake assembly, easier DIY install than hydraulic

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SET OF 2, 10" x 2-1/4" - 3,500 lbs FORWARD SELF-ADJUSTING BRAKE Lippert Electric Trailer Brake Assembly Left+ Right

SET OF 2, 10" x 2-1/4" - 3,500 lbs FORWARD SELF-ADJUSTING BRAKE Lippert Electric Trailer Brake Assembly Left+ RightLippert$257.40In Stock

10" x 2.25" drum, 3,500 lbs axle rating
Self-adjusting during forward stops, no manual adjustment needed
Four-bolt mounting pattern, fits 13"-15" wheels
Includes left and right assemblies, DIY installation

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Lippert Forward Self-Adjusting RV Brake Assembly - 10" x 2.25", 3,500 lbs. (Right Side) 296650Lippert$64.35In Stock

Self-adjusting mechanism eliminates manual brake adjustments
Right side (curb) mounting, four-bolt pattern
Fits 13, 14, 14.5, or 15 inch wheels
Electric brake assembly, DIY installation compatible

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Choose by drum diameter and axle rating to match your trailer's weight class, then pick left, right, or a matched pair depending on whether you're rebuilding one hub or the full axle. Bolt patterns run from 4 to 7 lugs, so confirm hub fitment before ordering.

Forward Self-Adjusting Brake Assemblies

Brand

Weight Capacity