Built to original equipment form, fit and function, the Monroe Rear Shock Absorber covers Mazda BT-50 models built from 2018 to 2021. Twin-tube gas pressurised design resists aeration and fade on corrugated dirt roads. The Steel construction uses a 50mm piston bore with a multi-stage valve stack tuned for laden and unladen comfort. Bushes and mounting hardware are supplied where the original unit was fitted with them. Rod diameter is 12.5mm with a hard chrome finish and a multi-lip seal package to keep dust out. New stock, 36 Months warranty, and dispatched from our Australian warehouse.