5/8in Grommet 10pk ALL18367

OVERVIEW

When you''re building a custom Baja bug or restoring a classic Type 1 Beetle, the details often determine the difference between a reliable daily driver and a roadside breakdown. These Allstar Performance 5/8-inch grommets are an essential component for any air-cooled enthusiast who values safety and professional-grade aesthetics. In the high-vibration environment of a Volkswagen engine bay or chassis, unprotected wiring and hoses are prone to chafing against sharp sheet metal edges. By installing these high-quality rubber grommets, you create a soft, insulated barrier that prevents short circuits and fluid leaks, ensuring that your electrical system and plumbing remain intact through the roughest off-road trails or city streets.

These Allstar Performance 5/8-inch grommets are engineered specifically for demanding automotive environments where heat, oil, and constant vibration are the norm. Designed to fit securely into panels up to 1/16-inch thick, they provide a snug, vibration-dampening seal that keeps debris and moisture from migrating through your firewall or floor pans. Whether you are routing a new wiring loom for a set of off-road lights, running fuel lines through a bulkhead, or tidying up the controls in a custom sand rail, this 10-pack ensures you have enough hardware to finish the job right. Don''t leave your expensive wiring to chance; use a professional solution that meets the rigorous standards of the air-cooled community.

FITMENT

These universal 5/8-inch grommets are compatible with a wide range of vehicles and custom applications, including but not limited to:

• Volkswagen Type 1: Beetle, Bug, and Super Beetle (All Years)
• Volkswagen Type 2: Bus, Transporter, Kombi, and Microbus (1950-1979)
• Volkswagen Type 3: Fastback, Squareback, and Notchback
• Volkswagen Karmann Ghia: Coupe and Convertible (All Years)
• Volkswagen Type 181: The Thing
• Custom Builds: Dune Buggies, Sand Rails, Manx-style shells, and Baja Bugs
• General Automotive: Any sheet metal panel with a thickness up to 1/16" (.062")

SPECS

• Brand: Allstar Performance
• Part Number: ALL18367
• Inner Diameter: 5/8 Inch
• Material: High-Grade Industrial Rubber
• Maximum Panel Thickness: 1/16 Inch (0.062")
• Quantity: 10 Pieces per Pack
• Color: Black
• Resistant to: Oil, UV exposure, and common automotive chemicals

PRO TIPS

1. Precision Hole Preparation

To ensure a perfect, airtight seal, always use a high-quality step-drill bit (often called a Unibit) when creating the mounting hole in your VW''s sheet metal. A standard twist bit can sometimes leave an oval or jagged hole, which may cause the grommet to seat unevenly or pop out under vibration. After drilling, take a small round file or a deburring tool to smooth the edges of the hole. This prevents the metal from cutting into the rubber grommet over time and ensures the wiring passing through has the maximum level of protection.

2. Easier Installation with Lubrication

If you are pulling a thick wiring harness or a snug-fitting hose through the 5/8-inch opening, the friction against the rubber can make the process difficult and potentially tear the grommet. Use a small amount of silicone spray or even a drop of dish soap on the inside of the grommet. This acts as a temporary lubricant, allowing the wires to slide through without resistance. Avoid using petroleum-based greases, as these can eventually break down certain rubber compounds over many years of exposure.

3. Managing Firewall Pass-Throughs

When using these grommets on a firewall to pass wires from the luggage compartment to the cabin, or from the cabin to the engine bay, always include a ''drip loop'' in your wiring. Shape the wire so it dips down slightly before entering the grommet. This prevents water or condensation from following the wire directly into the grommet and potentially seeping into the interior of your vehicle. For an even better seal in high-moisture areas, you can apply a small bead of RTV silicone around the outer flange of the grommet after it is seated in the panel.