Parts for your 2013 Honda Cr-v-Thermostat housing

2013 Honda CR‑V Thermostat Housing: What it does and how to look after it

Technical sources including the official Honda CR‑V (2012–2014) Service Manual (Cooling System section) and Honda’s OEM parts catalogue identify a thermostat and water outlet/thermostat housing assembly for the 2013 CR‑V 2.4‑litre K‑series engine. That confirms the vehicle is fitted with a thermostat housing and it is a serviceable component.

On the 2013 Honda CR‑V, the thermostat housing is the enclosure that holds the thermostat and directs coolant flow between the engine and radiator. It helps the engine warm up quickly, then maintains a steady operating temperature by routing coolant as needed. The housing also provides sealed connections for hoses and, on many K‑series layouts, integrates bypass passages and sensor ports. Because it’s typically an aluminium casting sealed with a rubber O‑ring, proper sealing and correct bolt torque are critical to prevent leaks.

As part of regular servicing, the housing area should be visually checked for dried coolant residue, staining, or dampness around the gasket/O‑ring and hose junctions. While the housing itself isn’t a scheduled replacement item, the thermostat and O‑ring are common service parts. Many techs will renew the thermostat proactively around high kilometre marks or whenever cooling system work is being done, especially if there are symptoms.

• Common signs of trouble: slow warm‑up or running too cool, overheating, temperature gauge wavering, heater performance dropping, sweet coolant smell, or white/pink crust near the housing.
• Smart service tips: use Honda Type 2 (blue) long‑life coolant mixed with demineralised water if not pre‑mixed