When sourcing Hino H07d parts, you must verify the OEM Part Numbers to ensure 100% compatibility. Key components like pistons, cylinder liners, and crankshafts should be checked for material composition (e.g., high-silicon aluminum alloy for pistons). Ensure that gasket sets are made of non-asbestos materials to meet modern environmental and durability standards. For critical moving parts, confirm the hardness rating (HRC) and surface treatment (such as nitriding for crankshafts) to guarantee wear resistance.