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Hydrastar® "UFP Style" 3.5K Axles, 5 Lug Integral Tandem Axle Trailer Disc Brake Kit-Complete (1/2") {#C3KMH-T1} - Hydrastar

Hydrastar® "MEHER" 3.5K Axles, 5 Lug Integral Tandem Axle Trailer Disc Brake Kit-Complete (1/2") {#C3KMH-T1}

SKU #C3KMH-T1
by Hydrastar
Save 7% Save 7%
$1,799.00
$1,799.00 - $1,799.00
$1,799.00
$1,679.00
$1,679.00 - $1,679.00
$1,679.00

Complete tandem axle disc brake conversion kit for 5K axles with 5-lug hubs. Includes the Hydrastar EOH actuator, disc brake assemblies, brake lines, and all hardware needed for a full conversion.

5K
Axle Rating
TANDEM
Axle
DISC
Brakes
DOT
Compliant
Questions about fitment?

Feel free to reach out to us or start a live chat in the bottom right corner for assistance.

Specifications

Kit Details

Axle Rating 5K
Axle Count Tandem
Brake Type Hydraulic disc
Lug Pattern 5 lug
Stud Size 1/2 in.
Rotor Type Integral
Actuator Hydrastar GEN 8 EOH — 1,600 PSI
Compliance DOT · CFR-393
Warranty Actuator: 2 years · Brakes: 3 years

Documentation: Instruction Manual ↗

Common Questions

Before You Buy

What PSI actuator is included?+
The 1,600 PSI GEN 8 actuator is included. This is the correct pressure for both disc and drum brake applications.
Do I need anything else to complete the install?+
You will need DOT 3 brake fluid (not included). Basic hand tools and a way to mount the actuator to your trailer tongue.
What is the difference between integral and slip over?+
Integral kits replace your entire hub and rotor as one piece. Slip over kits mount the rotor over your existing hub — faster install, no hub removal needed.
2024–2026 GM Silverado, Sierra & Denali Owners

Dashboard showing “Service Trailer Brakes”? Brakes disabled?

That’s a known GM software issue. Hydrastar has the fix — the GM Diode Module (#381-7074) is a plug-and-play inline solution.

Need Help Choosing?
Our team has helped thousands of trailer owners find the right setup.
Fastest response? Use the chat bubble in the bottom-right corner ↘
or call (812) 655-4544 · Mon–Fri, 8am–4:30pm ET