GREPSPUD Trailer Hub Kit 5x4.5 for 3,500 lb Trailers — 1-1/16" to 1-3/8" Tapered Spindle, Complete Black Assembly

GREPSPUD 5x4.5 trailer hub kit is a complete replacement hub assembly for 3,500 lb trailers with 1-1/16" to 1-3/8" tapered spindles, supplied with bearings, seals, studs, lug nuts and extra dust caps for immediate installation.

This kit supplies everything needed to refresh one wheel end on a 3,500-pound trailer that uses a 5 on 4.5" bolt pattern and EZ-lube or spindle #84 style axles. Parts arrive pre-assembled where practical, packaged to reduce shipping damage, and treated with rust-resistant finishes to extend service life. Read the sections below to confirm fit and learn practical installation and maintenance details before you buy.

How do I know this hub fits my trailer axle?

Confirming fit is simple: check the inner and outer bearing inner diameters, the spindle diameter, and the bolt pattern on your wheel. This GREPSPUD kit is built for spindles that accept an L44649 (1-1/16" ID) outer bearing and an L68149 (1-3/8" ID) inner bearing, and it matches a 5 x 4.5" bolt circle.

• Fits 3,500 lb trailers with 1-1/16" to 1-3/8" tapered spindle range.
• Bearing sizes: L44649 (outer) and L68149 (inner).
• Dust cap outer diameter ~1.98" and seal dimensions 2.56" O.D. / 1.72" I.D.
• Bolt pattern: 5 on 4.5" with 1/2"-20 studs and lug nuts included.

What hardware and spare parts are included in the set?

The kit arrives with the hub, installed bearing races, studs, lug nuts, seals, grease seals, and dust caps, plus additional spare dust caps and rubber plugs. GREPSPUD supplies the fasteners and sealing components so you won't need extra trips to the parts store.

• One assembled 5x4.5" hub with bearing races installed.
• Lugs, 1/2"-20 lug nuts, seals, and grease seals included.
• Extra dust cap(s) and rubber plugs provided as emergency spares.
• Packaged in protective bubble wraps inside a sturdy box.

Are these hubs durable and protected against corrosion?

Materials and coatings were selected to resist wear and rust in road conditions. The hub bodies receive a black protective coating and dust caps are zinc-plated to slow corrosion; bearings and races are steel for heavy-duty use.

• Hub body finished with black anti-corrosion coating.
• Zinc-plated dust caps to resist rusting.
• High-quality steel hardware and rubber seals for longevity.
• Secure packaging minimizes shipping damage to parts.

Who is this for: This GREPSPUD hub kit is intended for DIYers, fleet owners, and trailer repair shops replacing a single wheel end on 3,500 lb trailers using 5 on 4.5" wheels and tapered spindles that accept L44649 and L68149 bearings. It’s best for buyers who want a ready-to-install, value-packed replacement with spare dust caps and complete fasteners included. If you’re unsure about fit, compare the bearing and seal dimensions listed above to your existing hub or spindle before purchasing.

Installation note: axle dust caps in this set are slightly oversized by design to ensure a tight fit; use a wood block and rubber mallet when seating the cap to avoid dents. For any dissatisfaction, GREPSPUD offers replacement or refund support.