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Cooling System Parts

Honda Civic Thermostat Housings: Engine, Port Map & Assembly Boundary

Civic thermostat requests vary between a thermostat cover, thermostat unit and larger coolant case. The 2.0L and 1.5T branches use different housings and supplied boundaries.

OE numbers and page-matched generic imagery support identification only; confirm the installed component and complete vehicle evidence.

Unbranded aluminum and composite thermostat housings with coolant ports, sensors, seals and loose thermostat

Start with the application branch

Record engine family, transmission where relevant, casting or molded marks, port directions, bolt pattern, sensor openings and included thermostat, seal and pipe connections.

Never open a hot cooling system. A housing chosen by overall shape can misroute coolant or omit an engine-specific thermostat and sensor interface.

Identification checkpoints before price comparison

2.0L or 1.5T engine branch
Housing casting and bolt pattern
Coolant-port and sensor map
Cover, thermostat, case and seal scope

For thermostat housings, record 2.0l or 1.5t engine branch, verify housing casting and bolt pattern, and photograph coolant-port and sensor map on both the installed and removed component.

Scoped OE reference

ReferenceCatalogue scope used for identification
19310-5A2-A02Selected 2022 Civic 2.0L LX/Sport thermostat-cover branch.
19310-6A0-A01Selected 2022 Civic 1.5T EX/Si/Touring thermostat-cover branch; complete case varies by transmission.

Reference 19310-5A2-A02 is retained only as a thermostat housings identification lead; the submitted vehicle, installed component and any later supersession must remain within its stated catalogue boundary.

Common order boundaries

Thermostat cover
Thermostat unit
Complete thermostat case
Housing and seal service set

Build a comparable B2B order line

Separate cover-only, thermostat-only and complete-case requests and attach the exact port map to each SKU.

Quote thermostat cover separately from thermostat unit, documenting trial and repeat quantity, destination, Incoterm, label requirements and included hardware for that SKU.

Export packing checkpoint

Cap coolant ports, protect sensor connectors and machined faces, keep seals flat and prevent the dense housing from moving in the carton.

Common buyer questions

Which Civic details separate thermostat housings variants?

Record engine family, transmission where relevant, casting or molded marks, port directions, bolt pattern, sensor openings and included thermostat, seal and pipe connections. Record 2.0l or 1.5t engine branch, housing casting and bolt pattern and coolant-port and sensor map before comparing candidates.

What should a thermostat housing photograph show?

Photograph the complete installed location and removed component, then add clear views of coolant-port and sensor map, mounting points and every connector, port or seal. Use named endpoints and units for any measurement.

How should the listed OE reference be used for Thermostat Housings?

For thermostat housings, the displayed reference is a narrow catalogue starting point only. Keep its visible vehicle boundary attached and confirm the installed component plus any later supersession before quotation.

How should thermostat cover be prepared for export?

Separate cover-only, thermostat-only and complete-case requests and attach the exact port map to each SKU. Cap coolant ports, protect sensor connectors and machined faces, keep seals flat and prevent the dense housing from moving in the carton. State quantity per SKU, destination, packing and buyer-label requirements separately.

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