PCV Hose Honda Civic / Accord / CR-V / FR-V – OEM 17131-RNA-A00

Genuine Honda OEM PCV hose (Positive Crankcase Ventilation tube) – part of the crankcase ventilation system. The hose routes crankcase blow-by gases to the intake manifold, where they are burned during combustion. Its integrity and flow capacity directly affect crankcase pressure, oil consumption and the lifespan of engine seals.

This part is designed for Honda petrol engines from the R-series – covering 1.6, 1.8 and 2.0 displacements – fitted across several Honda model generations produced between 2006 and 2018. Genuine Honda OEM part number: 17131-RNA-A00, manufactured to factory specification, Made in Japan.

Applications

• Honda Accord 4D – 2009–2015, R20A3 2.0 i-VTEC engine
• Honda Accord Tourer – 2009–2015, R20A3 2.0 i-VTEC engine
• Honda Civic 3D (hatchback) – 2007–2011, R18A2 1.8 i-VTEC engine
• Honda Civic 4D (sedan) – 2006–2012, R16A1 1.6, R18A1 1.8 i-VTEC engines
• Honda Civic 5D (hatchback) – 2006–2016, R18A2 1.8 i-VTEC, R18Z4 1.8 i-VTEC engines
• Honda Civic Tourer – 2014–2017, R18Z4 1.8 i-VTEC engine
• Honda CR-V – 2007–2018, R20A1, R20A2, R20A9 2.0 i-VTEC engines
• Honda FR-V – 2007–2009, R18A1 1.8 i-VTEC engine

Before ordering, confirm your vehicle is fitted with one of the R-series petrol engines listed above. Diesel variants and other petrol engines may require a different PCV hose.

OEM Reference Number

Genuine Honda OEM part number:

• 17131-RNA-A00

Genuine Honda OEM part – manufactured to factory specification, Made in Japan.

When to Replace the PCV Hose

• When the hose shows cracks, hardening, brittleness or visible deformation – rubber degrades over time and may begin to leak.
• When the engine consumes excessive oil without an obvious cause – a faulty PCV system can increase crankcase pressure and force oil past seals.
• When a hissing or whistling noise is heard near the intake manifold at idle – a typical sign of a leak in the crankcase ventilation system.
• When the engine runs rough or idles unevenly with no other apparent cause.
• As a preventive measure during servicing on high-mileage engines or vehicles older than 10 years.

Installation and Service Notes

• When replacing the PCV hose, it is worth checking the condition of the PCV valve at the same time – both components work together and tend to wear over a similar timeframe.
• Before fitting, check that the hose connections are clear of oil deposits, which can restrict gas flow.
• Make sure the hose is correctly seated at both ends and is not under excessive tension or sharply bent.
• After installation, start the engine and listen for any hissing near the intake manifold that might indicate a leak.

FAQ – PCV Hose Honda R18A / R20A

What is the PCV hose and why does it matter?
The PCV hose is part of the positive crankcase ventilation system. It routes blow-by gases produced during engine operation back to the intake manifold, where they are burned. Its job is to maintain correct crankcase pressure – a failing PCV system increases the risk of oil leaks past seals and accelerated engine wear.

Can a cracked PCV hose cause oil consumption?
Yes. A leaking PCV hose disrupts crankcase ventilation, leading to increased crankcase pressure. This can force oil past seals and into the combustion chamber where it burns off. If your engine is consuming oil without an obvious cause, the PCV hose is one of the first things worth inspecting.

Does this hose fit all Civic engine variants?
No – part number 17131-RNA-A00 is specific to R-series petrol engines (R16A1, R18A1, R18A2, R18Z4, R20A1, R20A2, R20A3, R20A9). Civic models fitted with D-series, K-series or diesel engines require a different PCV hose. Always verify your engine code before ordering.

Is this a genuine Honda part?
Yes – 17131-RNA-A00 is a genuine Honda OEM part number. Manufactured to factory specification, identical to the part originally fitted to R-series engines, Made in Japan.