Kickass Heavy Duty Rubber Grommets For Wiring Harness Protection 2 Inch Inner Diameter Flame Retardant Heat Insulator Plug 4 Pack That Holds Tight Under Pressure Automotive Build
✔️ Fits 2.38in holes measures 2.75out 2in ID 0.47in thick oil resis
These sturdy rubber hole plugs shield electrical cables and wire bundles from sharp metal or wood edges. Mechanics and DIY builders install them frequently in underhood panels, firewall penetrations, cabin dashboards, and custom furniture setups where clean routing prevents short circuits and reduces abrasion wear.
✅ Fits 2.38 inch (60mm) drilled openings for snug mechanical grip✅ Measures 2.75 inch (70mm) outer face with 2.00 inch (50mm) center opening
✅ Built to 0.47 inch (12mm) total wall thickness plus groove ring
✅ Handles repeated flex cycles while blocking heat and stopping electrical shorts
💡 How do you properly seal automotive wiring harnesses through firewall cuts? You select a dense rubber pass through plug sized exactly for your punch tool so the grip never slips out. Follow these handy tips to keep your electrical work clean and durable.
- Pair a 2 3/8 inch (60mm) drill bit with matching bushing sizes for factory style mounts
- Press hard rubber seals onto harness bundles before threading through panel gaps
- Check temperature charts on packaging to guarantee insulation safety ratings
- Trim excess liner material afterward so connectors drop straight into place