SPRING ASSEMBLY (KU-RB51121403)

Title:

SPRING ASSEMBLY (KU-RB51121403)

Description:

The Spring Assembly (RB511-21403) is a genuine OEM spring component designed to apply tension and return force in a mechanical assembly on Kubota machines. Spring assemblies like this are typically used in control linkages, levers, or mechanical pivot points where consistent spring force is needed for smooth operation and reliability.

This part is built to Kubota factory standards for strength and durability in construction environments.

Model Fitment:

U20-3a / U203A

U25-3a / U253A / U25S

U27-4

Part Details:

Part Name  –

Spring Assembly

OEM Part Number  –

RB511-21403

Brand  –

Kubota (Genuine OEM)

Component Type  –

Tension spring / spring assembly

Primary Function  –

Provides tension and return force in a mechanical linkage or assembly

Typical Fitment  –

Kubota compact excavators (U20-3a, U25-3a, U25S, U27-4)

Material  –

High-strength spring steel

Installation  –

Direct OEM replacement in specified linkage or bracket

Condition  –

New OEM

Benefits  –

Restores proper tension/return action, prevents sagging or slack

Signs It Needs Replacement  –

Poor linkage return, loss of tension, broken or worn spring