Replacement Right Hand Wheel Cylinder Assembly for a 7" Dexter Hydraulic Drum Brake Assembly

Updated 11/17/2025 | Published 11/12/2025

Products Featured in This Question

Replacement Right-Hand Uni-Servo Wheel Cylinder Assembly for 7" Brakes - Qty. 1

(10)

$52.04

Dexter Hydraulic Trailer Brakes - Uni-Servo - 7" - Left/Right - 2.5K

(153)

$232.86

Dexter Hydraulic Drum Brake Assembly - Uni-Servo - 7" - Right Hand - 2,500 lbs

(23)

$113.37

Question:

I have a brake assembly with a number 023-399-00 and 8636090911. I am looking for the correct replacement wheel cylinder. I am looking at part 54-80-4 and would like to confirm if this is the correct replacement for my brake assembly.

asked by: John B

023-399-00
(click to enlarge)

Expert Reply:

Hey John, thanks for the pictures and the detailed information. I can confirm that the Replacement Right-Hand Uni-Servo Wheel Cylinder Assembly for 7" Brakes item # 54-80-4 is the correct replacement wheel cylinder for the Dexter Hydraulic Drum Brake Assembly pn 023-399-00 our item # 23-399.

What kind of trailer do you have?

You can add this information and any other questions you have where it says Reply to Jerred H and I'll be happy to answer them.

expert reply by: Jerred H