Humphreys Hitch and Trailer Parts
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Hayes 12 1/4 x 3 1/2" Duo-Servo Hydraulic Trailer Brake

Capacity: 12,000 LBS per pair

Duo-Servo
Hayes/Al-KO 12 1/4 X 3 1/2 Inch Duo-Servo Hydraulic Trailer Brake Parts Illustration
ITEM # *REFERENCE # DESCRIPTION

Assemblies

K568213 (LH/RH) 177800 Hayes 12 1/4 X 3 1/2" Right or Left Duo-Servo Hydraulic Trailer Brake Assembly

Replacement Parts

K568234 (1) 209400 Shoe/Lining (One Wheel)
2 218700 Shoe Return Springs (Qty 2) REFERENCE ONLY no longer available
4 229400 Brake Dust Shield (Lower) REFERENCE only no longer available
1531044 (4 Alt) 231200 Brake Dust Shield (Lower)
1531045 (4 Alt) 231201 Brake Dust Shield (Upper)
5 234400 Wheel Cylinder Assembly, Left or Right Hand REFERENCE ONLY no longer available
5783 (5 Alt) 234600 Wheel Cylinder Assembly, Left or Right Hand

*Note the linked reference numbers will take you to the Humphreys Trailer Parts catalog where the part can be purchased.

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