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QUALITY PARTS FROM

Goose Neck and Ball Mount Receiver Hitches

Brake Drum Actuators

Hydraulic Jacks

Encasement, Cargo Door, Wheel,
Goose Neck Coupler and King Pin Locks

Bulldog Rail Kits, Gearboxes, Rack Post, Jacks and Gooseneck Couplers

Rail Kits, Gear Boxes, Rack Post, Jacks
and Goose Neck Couplers

Hydraulic Brake Actuators and Control Modules

Hydraulic Lift Systems

Full Line of Trailer Hitches and Accessories

Hydraulic Trailer Brakes

Trailer Axles and Accessories

Locking Ball Mounts

Trailer Breakaway Kits

Couplers, Winches and Trailer Jacks

ABS Relay Valves and Solenoid Cables

Trailer Brake Controls, Brake Assemblies
and Accessories

Hayes 12 x 3 3/8" Hydraulic Duo-Servo Brake

Capacity: 8,000 lbs. per pair
Duo-Servo

Hayes 12 x 3 3/8 Inch Hydraulic Duo-Servo Brake Parts Illustration

BRAKE ASSEMBLIES

PART NO.

REF. NO.

DESCRIPTION

ITEM

D023-527-00

Hayes/ALKO Left or Right Hand

REPLACEMENT PARTS

PART NO.

REF. NO.

DESCRIPTION

ITEM

K71-851-00

Shoe & Lining (One Wheel)

1

D054-148-00

Wheel Cylinder Assembly Left or Right Hand

3

Hayes 12 x 3 3/8 Inch Hydraulic Duo-Servo Brake Assemblies