Just what you need for a 2001 Honda Civic. I didn't know if this one or the simple round one would do. You need this because the vent cutout is in the thermostat. Silicone is not required, this gasket seals the housing well.
2007-2017 Jeep Wrangler JKU 4 Door Sunshade Mesh Top Cover - Durable UV Protection With US Flag Design - Voodonala
31 Review
25Pcs Fender Liner Screws For Toyota Avalon Camry Corolla Scion Lexus - OEM #90159-60498
35 Review
820Pcs Car Push Retainer Clips & Fasteners Assortment - Ford GM Toyota Honda Chrysler BMW Benz Nissan Subaru Audi Mazda
32 Review
Replace Car Bumper Clips: GOOACC 100Pcs For Nissan, Mazda And Infiniti, Including Fastener Remover
33 Review