Humphreys Hitch and Trailer Parts
Humphreys Hitch and Trailer Parts has been serving the towing needs of towing world for over 20 Years!
Browse our catalogs of trailer parts, tow bar and towing supplies and hitches and accessories.
Repair and installation trailers, hitches or towing equipment is available in our Service Center.

How To's And Guides






Dexter 12 1/4 x 5" Duo-Servo Hydraulic Trailer Brake

Capacity: 12,000 and 15,000 LBS per pair

Redesigned with forward adjust feature in 1997.

Duo-Servo
Dexter 12 1/4 X 5 Inch Duo-Servo Hydraulic Trailer Brake Parts Illustration
ITEM # *REFERENCE # DESCRIPTION

Assemblies

23-408 (LH) 179825 Dexter 12 X 5" LH Duo-Servo Hydraulic Trailer Brake Assembly 12K per pair
23-409 (RH) 179850 Dexter 12 X 5" RH Duo-Servo Hydraulic Trailer Brake Assembly 12K per pair
23-406 (LH) 180250 Dexter 12 X 5" LH Duo-Servo Hydraulic Trailer Brake Assembly 15K per pair
23-407 (RH) 180300 Dexter 12 X 5" RH Duo-Servo Hydraulic Trailer Brake Assembly 15K per pair

Replacement Parts

BP04-380 (1) 210800 Shoe & Lining (One Wheel) LH
BP04-390 (2) 211000 Shoe & Lining (One Wheel) RH
BP06-235 (3) 214300 Shoe Hold Down Kit
BP07-240 (4) 219200 Shoe Return Spring
BP08-150 (5) 220900 Adjuster Spring
BP10-135 (6) 223700 Adjuster Lever and Spring Left Hand
BP10-145 (6) 223900 Adjuster Lever and Spring Right Hand
BP10-150 (5,6,7) 223950 Adjuster Kit for Forward Adjust Brakes LH
BP10-160 (5,6,7) 223960 Adjuster Kit for Forward Adjust Brakes RH
7 225500 Adjuster Cable and Retainer, Before 1987 (14.25 Inch Long) REFERENCE ONLY no longer available
7 225610 Adjuster Cable and Retainer, Before 1987-96 (14 Inch Long) REFERENCE ONLY no longer available
BP15-190 (8) 231100 Brake Dust Shield (One Piece)
BP16-050 (9) 232600 Wheel Cylinder Rebuild Kit (1 Inch Bore) 12K
K71-082-00 (9) 232624 Wheel Cylinder Rebuild Kit (1 Inch Bore) 15K
10 234810 Bleeder Screw (Qty 4) REFERENCE ONLY no longer available
11 235010 Cylinder Push Rod (Qty 4) REFERENCE ONLY no longer available
54-33 (11 Alt) 235011 Cylinder Push Rod
12 235025 Piston Stop Bar, After 1987 REFERENCE ONLY no longer available
34-62 (12 Alt) 235026 Piston Stop Bar, After 1987
13 235400 Brake Shoe Anchor Pin REFERENCE ONLY no longer available

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

Parts Catalogs



Humphreys Hitch And Trailer Parts
   Copyright 2001-2015
Humphreys Hitch and Trailer Parts
All Rights Reserved
  
Humphreys Hitch And Trailer Parts