Nissan Fairlady/300ZX Z32 Heater Core Firewall Grommet

Terra Firma Automotive supplies genuine Nissan sealing components that maintain the integrity of your Z32 Fairlady or 300ZX firewall and heating system. This heater core firewall grommet is the exact OEM replacement engineered to seal the heater hoses where they pass through the firewall on these iconic sports cars. Precision-molded from high-quality rubber with the correct durometer and heat-resistant properties Nissan specified, it creates a flexible yet durable barrier that prevents coolant leaks, reduces noise transmission, and blocks engine bay fumes from entering the cabin.

Z32 owners frequently find that the original grommet becomes brittle, cracked, or compressed over decades of heat exposure and age, leading to coolant seepage, unwanted cabin odors, or increased road noise. Installing this authentic grommet restores a snug, professional seal that keeps the heater hoses properly supported and protected while maintaining a clean, factory-fresh firewall appearance. Its exact inner and outer dimensions ensure effortless installation and long-term performance that generic replacements rarely achieve.

At Terra Firma Automotive, we are the trusted premium source for hard-to-find OEM grommets and seals that serious enthusiasts and restorers depend on. Whether you are replacing deteriorated heater hoses, performing a full cooling system refresh on your twin-turbo, addressing leaks during an engine bay restoration, or maintaining a low-mileage naturally aspirated example, this firewall grommet upholds the precise engineering and attention to detail that define the 1989–1996 Fairlady Z and 1990–1996 300ZX.

• Fits 27186G Location
• Genuine Nissan OEM heater core firewall grommet (92560-01N10)
• Direct replacement for Z32 heater hose firewall penetration
• High-quality heat-resistant rubber for long-term durability
• Prevents coolant leaks, fumes, and noise intrusion
• Ideal for heater hose service, cooling system rebuilds, or restorations
• Essential for maintaining a dry, quiet, and odor-free cabin
• Sold individually – replace both sides for best results
• USDM 300ZX (Z32): 1990–1996 (VG30DE & VG30DETT – NA or TT)
• JDM Fairlady Z (Z32): 1989–1996 (VG30DE & VG30DETT – NA or TT)