Honda OEM Valve Cover Gasket 12341-RNA-A01 – for R18 / R20 engines

The genuine Honda OEM valve cover gasket 12341-RNA-A01 ensures a perfect seal between the valve cover and the cylinder head. Made of high-quality, heat- and oil-resistant rubber, it maintains elasticity for years, preventing oil leaks and keeping the engine clean.

Why choose a genuine Honda valve cover gasket?

• Manufactured from premium rubber designed to withstand oil, heat, and pressure.
• Perfect fit – no need for additional sealants or modifications.
• Guaranteed durability and leak-free performance confirmed by Honda engineers.
• Supplied in original Honda packaging from authorized distribution channels.

Applications – Honda Civic, Accord, CR-V, FR-V (R-series engines)

• Accord 4D (2009–2015) – 2.0 R20A3
• Accord Tourer (2009–2015) – 2.0 R20A3
• Civic 3D (2007–2011) – 1.8 R18A2
• Civic 4D (2006–2011) – 1.8 R18A2
• Civic 5D (2006–2016) – 1.8 R18A2, 1.8 R18Z4
• Civic Tourer (2014–2017) – 1.8 R18Z4
• CR-V (2007–2018) – 2.0 R20A2, 2.0 R20A9
• FR-V (2007–2009) – 1.8 R18A1

This gasket fits all Honda R-series engines (R18 and R20) used in Civic, Accord, CR-V and FR-V models equipped with SOHC i-VTEC systems.

FAQ – Honda Valve Cover Gasket 12341-RNA-A01

Should I use silicone when installing this gasket?

No. The original Honda gasket is designed to seal perfectly without additional sealants. Silicone may be used only at the factory-specified joint points (at the camshaft semicircles on the rear of the head) according to the Honda service manual.

What are the symptoms of a leaking valve cover gasket?

Common symptoms include oil residue around the valve cover bolts, burning oil smell, or traces of oil near ignition coils. Replacing the gasket usually solves the issue without further disassembly.

Which engines is this gasket compatible with?

The gasket fits all Honda R18 and R20 engines used in Civic, Accord, CR-V, and FR-V models. If in doubt, provide your vehicle’s VIN and we’ll confirm the compatibility for you.