12" Vented Disc Brake Rotor 6 Lug Hub 250-034109

Slip-Over Vented Brake Rotor

EZ Loader 12" Vented Disc Brake Rotor 6 Lug Hub 250-034109 is a replacement brake rotor used on compatible EZ Loader boat trailer disc brake systems. This EZ Loader 12" vented disc brake rotor helps restore proper braking surface condition when the original rotor is worn, scored, rust-damaged, warped, or heat-discolored.

This EZ Loader rotor is designed to slip over the existing 6-lug hub, which can make installation and removal more straightforward than replacing a complete hub-and-rotor assembly. When the trailer hub, bearings, seals, and spindle are still serviceable, a slip-over rotor can be an easier way to repair the brake surface and get the trailer ready for another day of boating.

Built from zinc-plated steel, this vented rotor is designed for compatible marine trailer brake applications where road use, ramp launches, freshwater exposure, saltwater exposure, heat, and repeated braking are part of normal trailer service.

This part is commonly used on EZ Loader trailer disc brake systems with a compatible 6-lug hub setup. Proper fitment matters because brake rotors must match the hub, lug pattern, caliper, brake pads, axle setup, and original EZ Loader brake configuration.

Key Features

• Genuine EZ Loader replacement disc brake rotor
• Part number 250-034109
• 12" vented disc brake rotor for compatible 6-lug hub applications
• Designed to slip over compatible existing 6-lug hubs
• Can make installation and removal easier when the hub assembly is still serviceable
• Zinc-plated steel construction for marine trailer use
• Used with compatible disc brake pads and calipers
• Helps restore proper braking surface condition when the original rotor is worn or damaged

Typical EZ Loader Trailer Applications

This rotor is commonly used on compatible EZ Loader boat trailers equipped with disc brakes and 6-lug slip-over rotor setups. It may apply to trailers using 12" vented disc brake rotor systems, depending on the hub, axle, caliper, and brake pad configuration.

Always compare the part number, rotor diameter, rotor height, hub style, lug pattern, brake pad style, caliper style, axle setup, and trailer VIN before ordering.

Installation Considerations

Before replacing a brake rotor, inspect the full brake assembly. A damaged rotor may be caused by worn pads, a sticking caliper, contaminated brake components, overheated brakes, or bearing and hub issues.

• Confirm the existing hub is compatible and still serviceable before installing a slip-over rotor.
• Inspect the brake pads before installing a new rotor.
• Check the caliper for sticking, uneven movement, corrosion, or damage.
• Inspect the hub, bearings, seals, and spindle area during service.
• Confirm the new rotor matches the original rotor dimensions and hub setup.
• Replace related worn brake components before returning the trailer to road use.
• After installation, test the trailer brakes in a safe area before normal towing.

Symptoms of a Worn Trailer Brake Rotor

• Grinding, scraping, or pulsing during braking
• Scored, grooved, cracked, or heat-discolored rotor surface
• Uneven brake pad wear
• Reduced trailer braking performance
• Brake vibration or trailer pull during braking
• Visible corrosion or surface damage beyond normal service wear

Fitment Guidance

This is not a universal trailer brake rotor. Correct fitment depends on the trailer model, year, VIN, axle rating, hub style, lug pattern, rotor dimensions, caliper style, brake pads, and existing brake system.

• Confirm part number 250-034109 when possible.
• Compare rotor dimensions before ordering.
• Confirm the trailer uses a compatible 6-lug hub setup.
• Check the caliper style and brake pad shape.
• Send photos if you are unsure about fitment.

Associated / Compatible Parts

These components are commonly serviced or inspected when replacing a trailer disc brake rotor and will be linked as available.

Real-World Insight

A brake rotor should be checked any time pads are replaced or braking performance changes. If the rotor is deeply scored, overheated, warped, cracked, or heavily corroded, new brake pads alone may not correct the problem. Also inspect the caliper, hub, bearings, seals, and actuator system so the new rotor is not damaged by another failing component.

Questions or Need Help Matching Parts?

We’re based in Hardeeville, South Carolina, and help customers across the country match EZ Loader trailer parts correctly.

Call us before ordering if you are unsure. Photos, measurements, trailer information, and VIN details can help us verify fitment faster.

Need help identifying your trailer style or where a part is located? Our legacy trailer reference site at 411Marine.com may help you find similar EZ Loader trailer examples. For newer 2026 and later EZ Loader model references, visit EZLoaderTrailers411.com.

What to Have Ready When You Call

• Trailer year, make, and model
• VIN, if available
• Part number from the original component
• Rotor diameter and overall height
• Hub style and lug count
• Photos of the rotor, hub, caliper, brake pads, and axle brake assembly