Gaskets and Seals› O-rings, Grommets and Vacuum Caps

SEALS-IT

Firewall Gromment 4in OD 1-3/4in ID

$30.73

SKU: S078 GS40430

In Stock
In Stock
Ships by Aug 6
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Firewall Gromment 4in OD 1-3/4in ID

MIA's Description

The Seals-It firewall grommet is a single-hole seal featuring a durable nitrile rubber material bonded to an aluminum bezel. It measures 4 inches in outer diameter with a 1.8-inch inner diameter and a 0.04-inch thickness, designed to protect wiring or lines passing through the firewall.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSEALS-IT
Part NumberS078 GS40430

Videos

SEALS-IT GROMMET SEALS

SEALS-IT GROMMET SEALS

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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