Gasket, intake mainfold Honda OEM 17105-P72-004

PTFE 3 mm thermal intake manifold gasket – replaces 17105-P72-004

This high-quality thermal insulating intake manifold gasket is made from PTFE (Teflon) and has a thickness of 3 mm. It is a direct replacement for the original Honda gasket 17105-P72-004, used in high-revving B-series engines, including B18C3 and B18C4.

The PTFE construction significantly reduces heat transfer from the cylinder head to the intake manifold, helping stabilise intake air temperatures and reducing heat-soak during spirited driving or hot weather. This results in more consistent engine behaviour across the RPM range.

Applications – compatible engines

Fits intake manifolds used in:

• B18C3
• B18C4

Direct OEM replacement: 17105-P72-004.

PTFE (Teflon) material characteristics

PTFE is one of the most stable and durable insulating materials used in demanding automotive environments. It maintains its structure under heat and pressure and is fully resistant to fuel and chemicals.

• Thermal resistance: continuous operation up to +260°C, peak up to +300°C.
• Chemical resistance: unaffected by fuel, oils, solvents and additives.
• Very low thermal conductivity: ideal for reducing manifold heat-soak.
• Non-melting, self-extinguishing: UL94 certified.
• Dimensional stability: maintains form under manifold clamping force.

Benefits of a thermal insulating gasket

• reduced heat transfer to the intake manifold,
• more stable intake air temperatures,
• less heat-soak after aggressive driving,
• more consistent throttle behaviour at high RPM,
• simple plug-and-play installation.

FAQ – PTFE intake manifold gasket

Does this gasket improve performance?

Indirectly yes. By reducing manifold temperature, the engine receives more stable intake air, resulting in smoother and more predictable throttle response.

Is additional sealant required?

No. PTFE seals properly without silicone, RTV or gasket pastes.

Is 3 mm thickness safe to install?

Yes. It is designed specifically for B18C3/B18C4 manifolds and requires no modifications.