Trailer Axle Spindle Component | Spindle 1.25in Round 1in Gr - R104-BT12 with washer & castle nut | 11-381

Trailer Axle Spindle Component | Spindle 1.25in Round 1in Gr - R104-BT12 with washer & castle nut | 11-381

This trailer axle spindle component is specified as Spindle 1.25in Round 1in Gr - R104-BT12 with washer & castle nut. Use part number 11-381 when matching or reordering this component. It is intended for service, repair, or replacement work where the listed dimensions and application details match the trailer.

Key Specifications

• Spindle 1.25in Round 1in Gr - R104-BT12 with washer & castle nut
• Part/SKU: 11-381

Application and Fitment

Designed for compatible axle components applications. Confirm spindle diameter, thread size, bearing surfaces, axle capacity, and included hardware. Trailer parts that look similar can use different dimensions or ratings, so use the stamped part number and physical measurements as the final fitment check.

Before You Order

Inspect the related components for wear and compare every listed measurement with the part being replaced. Installation should follow the trailer or component manufacturer's procedures and applicable torque specifications.

Why Buy from Trailer Parts Plus?

Trailer Parts Plus supplies practical replacement axle components for utility, cargo, boat, equipment, and commercial trailers. Need help confirming 11-381? Have your axle rating, measurements, and existing part numbers ready so the correct match can be verified.