Firewall Grommet Plug (1" Diameter)  E-mail this product to a friend previous | up | next  This is an OEM Subaru grommet in a 1" Diameter. It is a rubber sheet metal plug, which is used to fill unused holes in the firewall or floorpan.  It is possible that this plug will fit in the holes left by the heater core hoses if the HVAC box is removed from the vehicle.  Please measure the hole to be sure. Also, the plug is depicted in the photos above with a US Quarter to gauge size.  2x Plugs with USPS Priority Mail Shipping SKU: FIREWALLPLUG-x2 Dimensions: 6 x 6 x 6 Weight: 1.00 Price: $8.00  Quantity:    with FedEx Shipping Options SKU: FIREWALLPLUG- Dimensions: 6 x 6 x 6 Weight: 1.00 Regular Price: $1.49  On Sale For: $0.95  Quantity:

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