Choosing the right hub kit is essential for safe, reliable boat trailer operation. The following 5 kits are designed for 3,500 lb trailers using 5 on 4.5″ bolt patterns and 1-1/16″ to 1-3/8″ tapered axles. Each option includes pre-installed bearings, seals, and hardware to simplify installation and reduce downtime. This guide helps you compare fit, durability, and included components to pick a kit that best matches your trailer’s spindle type and environment.
Summary of Selected Products
| Product | Brand | Axle Type | Includes | Notes |
|---|---|---|---|---|
| 2Sets Trailer Hub Kits 5 on 4.5 | GREPSPUD Store | 1-1/16″ to 1-3/8″ tapered | 2x sets, extra dust caps & rubber plugs | Pre-lubricated, 5×4.5 bolt pattern |
| 2 Sets Galvanized Trailer Hub Kits 5 on 4.5 | GREPSPUD Store | 1-1/16″ to 1-3/8″ tapered | Pre-assembled bearings & seals | Prelubricated, galvanized finish |
| 2Sets Galvanized Trailer Idler Hub Kits 5 Bolt 4.5 | GREPSPUD Store | 1-1/16″ to 1-3/8″ tapered | Pre-installed bearings & seals | Hot-dip galvanized surface |
| 2 Sets Trailer Wheel Hub Kit 5 Bolt 4.5 | Tuijodaix Store | 1-1/16″ to 1-3/8″ tapered | Includes dust caps, plugs, lug nuts | Packed with hardware for quick install |
| 2 Sets 2000Lbs Trailer Hub Kit | Unbranded listing | 1″ and 1-1/16″ straight spindles | Includes bearings for both straight spindles | Not compatible with tapered spindles |
2Sets Trailer Hub Kits 5 on 4.5 for 3500 lbs
These 2 sets are designed for EZ-Lube tapered axles on 3500 lb trailers. They fit 1-1/16″ to 1-3/8″ spindles with a 5 on 4.5″ bolt pattern. Each kit includes outer bearings L44649, inner bearings L68149, grease seals, dust caps, and lug nuts. The package adds two extra dust caps and four rubber plugs for emergencies. A practical value-for-money option for multi-axle trailers or replacements where spare parts are beneficial.
2 Sets Galvanized Trailer Hub Kits 5 on 4.5
These galvanized hub kits are pre-lubricated and feature L44649 outer bearings and L68149 inner bearings suitable for 5 on 4.5″ setups. The size is clearly described, and the kit includes all essential parts with pre-sealed bearings to help prevent leaks. They are intended for EZ-Lube 3500 lb trailers with tapered spindles, offering corrosion resistance for wet or salty environments.
2Sets Galvanized Trailer Idler Hub Kits 5 Bolt 4.5
These galvanized idler hub kits fit 5 on 4.5″ configurations for 3,500 lb trailers with 1-1/16″ to 1-3/8″ tapered axles. The surface is hot-dip galvanized to resist corrosion; washers, castle nuts, cotter pins are galvanized as well. The bearings and seals are pre-installed for a straightforward installation, helping reduce labor time and ensuring a secure fit from the start.
2 Sets Trailer Wheel Hub Kit 5 Bolt 4.5 Inch
This Tuijodaix kit is built for 1-1/16″ to 1-3/8″ tapered axles with a 5×4.5″ bolt pattern. It includes 2 hubs, bearings (L44649 outer, L68149 inner), lug nuts, washers, spindle nuts, cotter pins, dust caps, and grease seals. The set is designed for boat trailers and emphasizes a comprehensive hardware package for quick, reliable assembly and alignment.
2 Sets 2000Lbs Trailer Hub Kit 5 Bolt 4.5
These 2,000 lb hub kits fit straight spindles (not tapered). They support 5 on 4.5″ bolt patterns and are compatible with 1″ and 1-1/16″ straight spindles. Contents include appropriate bearings for each spindle size, grease seals, and complete hardware. They are suitable for lighter-duty applications or older trailer setups requiring straight spindles rather than tapered designs.
Buying Guide: Key Purchase Considerations
- Spindle compatibility: Confirm whether your trailer uses tapered or straight spindles. Some kits specify 1-1/16″ to 1-3/8″ tapered axles, while others are for straight spindles only. Using an incompatible kit can compromise bearing life and safety.
- Bolt pattern: All listed options use a 5×4.5″ bolt pattern. Measure your wheel hubs to ensure alignment. Mismatched patterns can render wheels unusable or unsafe.
- Bearing types and lubrication: Pay attention to which bearings are included (L44649 vs L68149) and whether grease seals are pre-installed. Pre-lubed kits save installation time and reduce the risk of contamination during assembly.
- Corrosion resistance: Galvanized or coated finishes offer better protection in wet or saltwater environments. If your trailer operates in marine or de-icing contexts, galvanized options are typically preferable.
- Included hardware: Some kits include extra dust caps and rubber plugs, which can be helpful for emergencies. Review the fullness of hardware (nuts, cotter pins, washers) to avoid extra shopping trips.
- Pre-installation readiness: Pre-installed bearings and seals minimize labor. If you’re replacing an old hub, a kit that matches your existing bearings and seals reduces the risk of misfit or leaks.
- Weight and capacity: Ensure the kit is rated for your trailer’s gross load. Kits labeled for 3,500 lb trailers are common for larger boat trailers, but confirm your specific axle rating to prevent overloading.
- Installation environment: Consider dust protection and cap coverage. Extra dust caps can prevent dirt intrusion and extend bearing life in dusty or sandy environments.