The right trailer axle hub kit can simplify maintenance and extend the life of a 3500 lb trailer axle. This guide highlights five leading options designed for 5 on 4.5″ bolt patterns and tapered spindles (not for straight spindles). Each product includes pre-lubricated bearings, seals, and hardware to help with quick, reliable installs. Review features, fit, and included components to choose a kit that matches your axle and maintenance needs.
| Product | Brand | Spindle Type | Includes |
|---|---|---|---|
| JDMSPEED Trailer Idler Hub Kits | JDMSPEED Store | 5 on 4.5″, tapered inner | Bearings, seals, grease caps, nuts |
| 2Sets Trailer Hub Kits 5 on 4.5″ | GREPSPUD Store | 5 on 4.5″ tapered | Bearings, seals, dust caps, rubber plugs |
| 2 Galvanized Trailer Hub Kits 5 on 4.5″ | GREPSPUD Store | 5 on 4.5″ tapered | Prelubricated bearings, seals, dust caps |
| 2 Sets 3500lb Trailer Axle Hub Kit 5 Bolt 4.5″ | Various | 5 on 4.5″, tapered | Complete hub kit with bearings and seals |
| 2 Sets 3500Lbs Trailer Hub Kit 5 Bolt 4.5″ | Unknown Brand | 5 on 4.5″, tapered | Preassembled hubs, lubricated bearings |
JDMSPEED Trailer Idler Hub Kits 5 On 4.5″
These kits are designed specifically for 3,500 lb trailer axles with a 5 on 4.5″ bolt pattern. The package includes two inner L68149 bearings and two outer L44649 bearings, two grease seals, two EZ lube grease caps with rubber plugs, and ten 1/2″-20 threaded wheel nuts. The bearing races and 1/2″-20 studs are installed, simplifying the installation for a reliable, pre-assembled hub set. This kit is ideal for replacing worn hubs on most common 3,500 lb axles in utility trailers, dump trailers, and light equipment haulers.
2Sets Trailer Hub Kits 5 On 4.5″
This kit supports 3500 lbs axles with 1-1/16″ to 1-3/8″ tapered EZ-Lube spindles (not for straight spindles). It includes L44649 outer bearings, L68149 inner bearings, greased seals (2.56″ O.D. and 1.72″ I.D.), dust caps, and lug nuts. The two sets provide extra dust caps and four rubber plugs, making it a cost-effective, ready-to-install upgrade for trailers that travel across varied terrains or require quick spare parts on hand.
2 Sets Galvanized Trailer Hub Kits 5 On 4.5″
These galvanized idler hub kits are sized for 3500 lb axles with tapered spindles (EZ-Lube #84 spindle). They ship with pre-assembled outer bearings (L44649) and inner bearings (L68149), grease seals, and dust caps to prevent leakage. The finish helps resist corrosion in humid or coastal environments. They emphasize careful size verification and compatibility to prevent misfit on straight spindles while delivering durable, ready-to-install hubs for long-term use.
2 Sets 3500lb Trailer Hub Kit 5 Bolt 4.5″
This kit targets 3,500 lb trailer axles with 1-1/16″ to 1-3/8″ tapered spindles. It supports Dexter, Al-Ko, Lippert, and Quality brands and other major makers, requiring L44649 outer bearings and L68149 inner bearings. The packaging uses separate boxes to protect components during shipping, and the kit uses higher-grade materials with robust heat transfer properties for longer service life. It is intended for reliable, future-ready replacements on tapered-spindle axles.
2 Sets 3500Lbs Trailer Hub Kit 5 Bolt 4.5″
These hubs fit 5-bolt, 4.5″ patterns on 1-1/16″ to 1-3/8″ tapered spindles for 3,500 lb trailer axles. They are compatible with popular brands and emphasize preassembled hubs with L44649 outer bearings and L68149 inner bearings. The packaging highlights a focus on quality, corrosion resistance, and long-term performance for boat trailers, utility trailers, and other light-to-medium duty uses, emphasizing ease of installation and storage convenience.
Buying Guide
Key purchase considerations to compare when choosing a 3500 lb trailer axle hub kit:
- Spindle compatibility: Confirm the kit supports tapered spindles 1-1/16″ to 1-3/8″ and is not intended for straight spindles.
- Bearing type and size: Verify L44649 outer bearings and L68149 inner bearings match your axle specifications; ensure compatibility with your existing seals and races.
- Bolt pattern and hub material: Ensure a 5 on 4.5″ bolt pattern and consider galvanized or coated hubs for corrosion resistance in harsh environments.
- Lubrication and maintenance: Prelubricated bearings save time, but understand the lube interval and whether EZ-Lube caps are included for easy re-lubrication.
- Included hardware: Check for seals, dust caps, and lug nuts; kits with spare caps and plugs add value for field maintenance.
- Packaging and protection: Durable packaging protects components during shipping and storage, reducing the risk of damage.
- Brand and warranty: Favor reputable brands with clear return policies and warranties for hub assemblies.
- Purpose and environment: For boats or coastal use, prioritize galvanized or corrosion-resistant options; for utility trailers, standard finishes may suffice.
When selecting a hub kit, cross-check your axle’s model number, spindle type, and inner/outer bearing dimensions against kit specifications. If you maintain multiple trailers, consider purchasing a kit with spare seals and caps to reduce downtime during repairs. Always follow the manufacturer’s installation instructions to ensure a secure, safety-compliant upgrade.