Looking for Replacement Caliper for 7k Hydrastar Disc Brake Kit

Published 12/09/2025

Products Featured in This Question

Hydrastar Disc Brake Kit w/ Actuator for Tandem Axle Trailers - 13" Rotor - 8 on 6-1/2 - 7K

(23)

$1839.34

Replacement Caliper for Hydrastar 7K Disc Brake Kit with Actuator for Tandem Axles

$164.44

Question:

I need a replacement caliper for this kit. We had one blow out from this kit

asked by: James H

Expert Reply:

Hey James, the correct replacement caliper for your Hydrastar kit part # HSE7K-T1SO is the part # HYD99ZR. How did it blow out? Did it get damaged in a blow out?

expert reply by: Jameson C

James H.

12/9/2025

The piston seal is leaking. We had it installed for 3 days and it started leaking out of the piston seal.

Jameson C.

12/9/2025

@JamesH that's a bummer. These are typically known to do that so I'd assume it was a defective caliper.

James H.

12/9/2025

@JamesonC Is it covered under warranty or just have to bite the bullet and buy another one?

Jameson C.

12/9/2025

@JamesH if it's within the warranty timeframe I would try but if not I would just buy it and be done with it. I didn't see an order from you in our systems so I wasn't able to check and see. Looks like the warranty is either 2 or 3 years but that's not really my department.