Large Diameter Blank Firewall Grommet for Custom Applications

Address your most demanding firewall pass-through requirements with the robust Seals-it GS404BL Single Hole Firewall Grommet. This substantial 4.00" O.D. blank grommet is specifically designed for larger bundles of wiring, hoses, or custom fabrications, offering unparalleled flexibility to create the precise opening needed for your project. Its blank canvas allows for complete customization, ensuring a perfect fit every time.

Expertly engineered from a combination of high-grade aluminum and durable rubber, the GS404BL provides exceptional protection against the harsh realities of the engine bay. It effectively shields critical lines from abrasive edges, extreme temperatures, and corrosive fluids, while simultaneously creating a watertight and airtight seal between the engine compartment and the vehicle's interior. This results in a safer, cleaner, and more professional installation.

Key Features & Benefits:

• Generous 4.00" O.D.: Accommodates larger wire bundles, hoses, or custom components.
• Single-Hole Blank Design: Offers complete freedom for custom cut-outs and applications.
• Heavy-Duty Construction: Aluminum and rubber ensure maximum durability and longevity.
• Superior Environmental Seal: Protects against moisture, dirt, heat, and fumes.
• Prevents Chafing: Safeguards sensitive lines from damage at the firewall.

Specifications:

• Part Number: GS404BL
• Hole Configuration: 1-Hole, Blank
• Outer Diameter (O.D.): 4.00 in
• Material: Aluminum / Rubber
• Color: Black

For a high-quality, customizable, and reliable solution for large firewall pass-throughs, the Seals-it GS404BL grommet is the professional's choice. Explore more premium automotive parts at GGCRACING.