Undercarriage noise and excessive joint play are the first signs of bush wear — and catching it early saves the pins and bores. This bush sk330-8/sk350-8 no.4-90*105*90 restores correct joint clearance with an OEM-dimensioned fit.

Compatible Machines
– No.4-90*105*90
– SK330-8
– SK350-8
– 4-90
– 105

Why Choose This Bush Sk330-8/Sk350-8 No.4-90*105*90
– Correct interference fit: inner bore, outer diameter, and length matched to OEM specification
– Designed for correct load distribution on the pin — prevents point loading and accelerated wear
– Compatible with OEM excavator pin sets — no bore modification required

Heavy-Duty Construction
– Wear-resistant alloy material: oil-impregnated bronze or heat-treated steel to suit application
– Precision-machined bore surface for smooth pin operation under load
– Corrosion-resistant surface treatment for storage and site conditions

Maintenance Recommendations
– Use hydraulic press and correct bush driver — impact fitting distorts the bore geometry
– Inspect pin condition before fitting; replace worn pins at the same service
– Torque retaining fasteners to OEM specification after installation
Australia-Wide Supply
We supply high-quality bush sk330-8/sk350-8 no.4-90*105*90 replacement parts across Australia with shipping from NSW. Suitable for aftermarket heavy equipment repairs and undercarriage maintenance applications.