• Subaru 11815AB490 Genuine Engine PCV Hose Assembly
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Subaru 11815AB490 Genuine Engine PCV Hose Assembly

Subaru 11815AB490 Genuine Engine PCV Hose Assembly

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✔ Subaru 11815AB490 Engine PCV Hose Assembly — Genuine OEM Part
✔ Fitment: Subaru Legacy, Outback, and Tribeca with 3.0L (EZ30) and 3.6L (EZ36) H6 engines (2005–2019)
✔ Direct replacement for factory PCV hose — no modifications required
✔ Manufactured to Subaru’s original specifications 
✔ Genuine Subaru quality — ensures proper crankcase ventilation and oil containment
✔ Complete assembly — ready to install

Subaru 11815AB490 Genuine PCV Hose Assembly — for 3.0L / 3.6L H6 Engines

A collapsed or cracked PCV hose, oil leaks around the intake manifold, increased oil consumption, or a rough idle — these are common signs that your PCV hose assembly may need replacement . The hose connects the PCV valve to the intake manifold, rerouting harmful crankcase gases back into the engine for combustion . A faulty hose can cause vacuum leaks, poor engine performance, and increased emissions . Replacing it with this genuine Subaru part restores proper crankcase ventilation and protects your engine.

This is a factory-original Subaru PCV hose assembly (OE part number 11815AB490), specifically designed for 3.0L and 3.6L H6 engines. It is manufactured to Subaru’s strict quality standards for a secure, leak-free fit. This is the same part sold at Subaru dealerships .

When to Replace

• Visible cracks, dry rot, or a collapsed hose• Oil leaks around the hose or intake manifold
• Increased oil consumption
• Rough idle or poor engine performance
• Vacuum leaks or hissing noises from the engine bay• You are replacing the PCV valve and want to inspect the hose

Product Details & Highlights

• ✔ Genuine Subaru OEM — not an aftermarket or Chinese replica
• ✔ Precision-molded rubber — maintains structural integrity under vacuum • ✔ Direct replacement — fits factory connections
• ✔ Essential component — ensures proper crankcase ventilation • ✔ Backed by Subaru’s manufacturer warranty

Package Contents

Package Contents• 1 × Subaru 11815AB490 PCV hose assembly (genuine)

FAQ

FAQ

Is this a genuine Subaru part or a copy?
This is 100% genuine Subaru OEM — in original factory packaging with Subaru part number printed on the label .

Does this fit my 2015 Subaru Outback 3.6R?
Yes — the 2015 Outback with the 3.6L EZ36 engine uses this PCV hose .

Does this fit the Subaru Forester?
No — this hose is specifically for Legacy, Outback, and Tribeca models with 3.0L or 3.6L H6 engines. Forester models use a different part number .

Why does the OEM hose collapse?
The hose can soften and collapse under vacuum over time, especially on vehicles with high mileage or after using certain engine cleaners .

What is the torque spec for installation?
The PCV valve is typically torqued to approximately 18.4 ft-lbs (25 Nm). The hose itself is a push-fit connection and does not require torque .

Does this hose come with new clamps?
The hose assembly includes the necessary connection points, but clamps are typically reused from the original installation.

Can I install this myself?
Yes — it is a straightforward replacement. However, access may be tight, and a set of angled needle-nose pliers can help remove the old hose .

Does this hose fit the 2018 Subaru Legacy 3.6R?
Yes — the 2018 Legacy with the 3.6L engine uses this PCV hose.

Is this the same hose used on the Tribeca?
Yes — the Tribeca with 3.0L or 3.6L H6 engines uses this hose.

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