Based on this product's specifications, here are some alternatives and similar models
Pressure Washer PRO tm16105/tm18135 — spare pump housing (MPN YTZ02017)
Summary description:
Replacement pump housing compatible with PRO pressure washer models tm16105 and tm18135. OEM part MPN YTZ02017, designed as a direct-fit component for the pump assembly. Intended for repair and maintenance of PRO pressure washers to restore pumping function. Use when replacing a damaged or worn pump housing to ensure proper sealing and mechanical alignment.