Trailer Axle Seal | Oil seal | 3.125*4.500*0.595 10- 56 RED OD NBR CARBON CASE CARBON SPRING | 12-856

Trailer Axle Seal | Oil seal | 3.125*4.500*0.595 10- 56 RED OD NBR CARBON CASE CARBON SPRING | 12-856

This trailer axle seal is specified as Oil seal, 3.125*4.500*0.595 10- 56 RED OD NBR CARBON CASE CARBON SPRING. Use part number 12-856 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

• Oil seal
• 3.125*4.500*0.595 10- 56 RED OD NBR CARBON CASE CARBON SPRING
• Part/SKU: 12-856

Application and Fitment

Designed for compatible axle bearings and seals applications. Verify the seal inner diameter, outer diameter, thickness, material, and cross-reference number. 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 bearings and seals for utility, cargo, boat, equipment, and commercial trailers. Need help confirming 12-856? Have your axle rating, measurements, and existing part numbers ready so the correct match can be verified.