The Koyo filler neck identified by manufacturer part number FN2313 is supplied in the exact configuration described as Koyo 06-11 Honda Civic Aluminum Filler Neck. Confirm the complete part number, application, dimensions, connection layout, and package contents before ordering.
Fitment
| Years | Make | Model |
|---|---|---|
| 2006-2011 | Honda | Civic |
Specifications
| Brand | Koyo |
|---|---|
| Manufacturer Part Number | FN2313 |
| Product Type | Filler Necks |
| Fitment Type | Vehicle Specific |
What's Included
- One Koyo filler neck in manufacturer packaging
- Hardware, adapters, cap, hoses, and fittings only when listed for the exact part number
About Koyo
Koyo develops high-performance radiators, heat exchangers, intercooler cores, oil coolers, expansion tanks, caps, and cooling-system accessories. Similar-looking parts can use different core dimensions, ports, hose sizes, pressure ratings, and mounting layouts, so exact part-number verification is essential.
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Frequently Asked Questions
Will Koyo FN2313 fit my 2006-2011 Honda Civic?
That year, make, and model range is listed. Confirm the engine, transmission, hose sizes, factory cooling configuration, mounting points, and every exclusion before ordering.
Does this Koyo part include every installation component?
Only the components stated for the exact part number are included. Confirm whether caps, adapters, hoses, fans, shrouds, fittings, mounts, and transmission-cooler provisions must be reused or purchased separately.
What should I inspect before filling the cooling system?
Check all mounting points, hose and fitting engagement, fan and shroud clearance, cap compatibility, drain-plug sealing, and any transmission or oil-cooler connections.
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