Parts for your 2001 Toyota Altezza-Heater hose

2001 Toyota Altezza heater hose — what it does and how to look after it

Yes, the 2001 Toyota Altezza (XE10 platform — RS200 SXE10 3S‑GE, AS200 JCE10 1G‑FE and AS300 2JZ‑GE variants) uses dedicated heater hoses. This is confirmed in Toyota’s Electronic Parts Catalog (EPC) for SXE10/JCE10, listing the moulded “Heater Water Hose No.1/No.2” (PNC 87245/87246), and in the Toyota/Lexus factory repair manuals for XE10, which show the heater water flow circuit and removal/installation procedures for the heater hoses and heater core connections.

On the Altezza, the heater hoses are the coolant lifelines to the cabin heater core. One hose carries hot coolant from the engine to the heater core under the dash