5 Lug H1000 Oil Bath Hub Kit for 1-3/8" x 1-1/16" Tapered Spindle 300-029534

H1000 Oil Bath Hub Kit

The 5 Lug H1000 Oil Bath Hub Kit 300-029534 is a replacement hub kit used on compatible EZ Loader boat trailers with H1000 style oil bath hub assemblies. This kit is designed for select 5-lug trailer hub applications using a 1-3/8" x 1-1/16" tapered spindle.

This oil bath hub kit helps service or replace a compatible trailer wheel hub assembly where the hub, bearings, seal, cap, spindle, bolt pattern, and lubrication system must all match. Correct hub fitment matters because the hub carries the trailer load, supports the wheel, protects the bearings, and operates under road heat, ramp use, water exposure, and repeated towing.

The hub body is built from marine-grade steel for boat trailer use. Because EZ Loader trailers were built with different hub styles, axle ratings, spindle sizes, and lubrication systems over the years, fitment should be confirmed before ordering.

5 Lug H1000 Oil Bath Hub Kit Features

• Replacement H1000 style oil bath hub kit for compatible EZ Loader boat trailers
• Designed for select 5-lug trailer hub applications
• For compatible 1-3/8" x 1-1/16" tapered spindle setups
• Useful for replacing worn, leaking, damaged, or contaminated hub assemblies
• Supports oil bath hub maintenance and trailer wheel-end service

Typical EZ Loader Trailer Applications

This hub kit is commonly used on compatible EZ Loader boat trailers equipped with 5-lug H1000 oil bath wheel hubs. These hubs are part of the trailer’s running gear system and support the wheel, bearings, seal, cap, spindle, and oil bath lubrication setup.

Because trailer hubs can vary by trailer model, production year, axle rating, spindle size, and hub style, always compare your existing hub before ordering. If you are not sure, use your VIN, old hub parts, spindle measurements, and photos to confirm fitment.

Oil Bath Hub Service Notes

Oil bath hubs allow the lubricant level and condition to be inspected through the hub cap. However, oil bath systems must be sealed correctly. If the oil appears cloudy, milky, low, or contaminated, inspect the seal area, cap, bearings, and spindle before towing.

For compatible EZ Loader oil bath hubs, the correct oil type and fill level matter. Do not overfill the hub, and do not mix incompatible lubricants unless compatibility has been confirmed.

Associated / Compatible Parts

These related parts may be used when servicing compatible EZ Loader H1000 oil bath hubs. Confirm your specific hub style before ordering.

Installation Considerations

• Confirm the hub is a compatible H1000 oil bath hub before installation.
• Confirm the spindle size and bearing fitment before assembling the hub.
• Inspect the spindle, seal surface, hub cap, bearings, wheel studs, and lug nuts before towing.
• Replace damaged, contaminated, leaking, overheated, or questionable wheel-end parts before reuse.
• Use the correct oil bath lubricant and fill level for your hub setup.
• After service, check hub temperature, oil level, cap seal, and lug nut torque before long-distance towing.

5 Lug H1000 Oil Bath Hub Kit Fitment Guidance

This is not a universal trailer hub kit.

• Confirm your trailer uses an H1000 style oil bath hub.
• Confirm the hub uses a 5-lug wheel pattern.
• Confirm the spindle is a compatible 1-3/8" x 1-1/16" tapered spindle.
• Confirm bearing, seal, and cap compatibility before ordering.
• Use your trailer VIN, old hub parts, spindle measurements, and photos when checking fitment.

Questions or Need Help Matching Parts?

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We’re based at 11832 Speedway Blvd, #102, Hardeeville, SC 29927, serving boat trailer parts customers nationwide.

📞 Call us — we answer the phone and help you get it right.
📧 Send photos if needed — often the fastest way to confirm fitment.

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Real-World Insight

Hub failures usually start with heat, water intrusion, low oil level, seal failure, bearing wear, or incorrect fitment. If the old hub has run hot, leaked oil, turned cloudy or milky inside the cap, or shown bearing noise, inspect the spindle carefully before installing a replacement hub kit. A new hub kit can only perform correctly when the spindle, seal surface, bearings, cap, wheel, and lubrication system are also correct.

What to Have Ready When You Call

• Trailer year, make, and model
• VIN, if available
• Hub style: H1000 oil bath or other hub type
• Wheel pattern: 5-lug or other pattern
• Spindle measurements
• Photos of the hub, spindle, bearings, seal, cap, and wheel studs