Terex
90 degree adapter for Terex PT30
This 90 degree adapter facilitates hose connections within the cab heater assembly for the Terex PT30 compact loader.
Parts diagram
Compatible models
Specifications
- Part number
- 0304-670
- Brand
- Terex
The 0304-670 adapter is a specialized fitting used in the cab heater assembly of the Terex PT30 compact loader. Designed with a 90-degree bend, this component allows for the precise routing of heater hoses within the confined spaces of the operator cabin. By providing a secure transition between different connection types, it ensures that coolant or air flow remains consistent throughout the heating system, preventing kinks or obstructions in the hose lines.
This adapter features a 5/8-inch barb connection on one end for flexible hose attachment and a 3/8-inch male NPT thread on the other. It is specifically engineered to integrate into the existing plumbing of the Terex PT30 heater system. Proper installation of this fitting is necessary to maintain a sealed circuit, which supports the overall thermal management of the machine cabin during operation in cold environments.
In heavy machinery, adapters of this type serve as critical junctions in fluid or air transfer systems. They allow technicians to navigate tight engine or cabin compartments while maintaining the integrity of the line, ensuring that the heating or cooling system functions as intended without pressure loss or leakage.

