Dexter® 3.5K Hub Kit

Shop genuine Dexter® 3.5K hub kits at Southwest Wheel® for 3,500 lb. idler trailer axles. These OEM hubs replace a worn 3.5K wheel end on utility, cargo, and boat trailers. Common options are 5 on 4.50", 5 on 4.75", 5 on 5.00", and 6 on 5.50" with 1/2"-20 studs, a 1.718" seal, and either a standard or E-Z Lube® grease cap. Pre-greased easy-assemble kits are also available.

Dexter® 3.5K Hub Kits. Sold as idler hubs and complete kits. Genuine Dexter® OEM wheel ends for 3,500 lb. trailer axles.

Key Features

• Brand: Dexter® Axle
• Type: 3,500 lb. trailer idler hubs and hub kits
• Capacity: 3,500 lbs. per axle
• Bolt Circles: 5-4.50, 5-4.75, 5-5.00, and 6-5.50
• Studs: 1/2"-20
• Seal: 1.718" Dexter seal
• Kit Options: Star hubs with parts, E-Z Lube® caps, and pre-greased easy-assemble kits
• Construction: Made in the USA Dexter® OEM quality for correct pilot, stud, and bearing fit

Match bolt circle and cap style before ordering. A 3.5K idler hub does not include a brake drum; use a 3.5K hub-drum kit when the axle has 10" electric or hydraulic brakes. After install, set Dexter bearing preload and torque the lug nuts to the wheel manufacturer’s spec.

Need help identifying a Dexter 3.5K hub? Call our trailer experts at 1-800-866-3336.

Browse more Dexter® Complete Hub & Hub-Drum Kits.