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This trailer jack component is specified as Pin, Jack 5/8" x 4". Use part number 40-020 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.
Designed for compatible trailer jacks applications. Confirm rated lift capacity, mount style, travel, tube size, handle orientation, and foot or wheel requirements. 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.
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.
Trailer Parts Plus supplies practical replacement trailer jacks for utility, cargo, boat, equipment, and commercial trailers. Need help confirming 40-020? Have your axle rating, measurements, and existing part numbers ready so the correct match can be verified.