Subaru OEM BPV (08-14 WRX) | 14471AA240

Overview

The Genuine Subaru OEM Blow-Off Valve (BPV) — Part #14471AA240 — is the factory-original pressure relief valve engineered specifically for the 2008–2014 Subaru WRX. Designed to protect your turbocharged EJ255 engine by venting excess compressor surge pressure during throttle lift-off, this OEM BPV ensures the same precise performance and reliability that came with your WRX from the factory. If you're replacing a worn, cracked, or leaking BPV, this is the exact-fit, direct-replacement part with no modifications required.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to factory specifications; not an aftermarket approximation. Guaranteed to fit and function exactly as the original.
• Exact-Fit Replacement — Direct bolt-on replacement for the 2008–2014 Subaru WRX; no adapters, brackets, or modifications needed.
• Protects Turbo Longevity — Properly vents compressor surge during throttle lift-off, reducing stress on the turbocharger and intercooler piping.
• OEM-Matched Sealing — Factory-spec diaphragm and valve seat materials ensure consistent boost pressure management and prevent boost leaks.
• Factory Warranty Eligible — As a Genuine Subaru part, this BPV is covered under Subaru's OEM parts warranty when installed by an authorized dealer.
• Eliminates Aftermarket Fitment Risk — Using the correct OEM part avoids the common boost leak and CEL issues associated with improperly sized aftermarket valves.

What's Included

• 1x Genuine Subaru OEM Blow-Off / Bypass Valve — Part #14471AA240

Specifications

Fitment & Compatibility

This Genuine Subaru OEM BPV (Part #14471AA240) is designed for the following vehicles:

Always verify fitment using your vehicle's VIN before ordering. If you are unsure whether this part fits your specific build year or trim, consult the Subaru parts catalog or your authorized Subaru dealer.

Installation

The Genuine Subaru OEM BPV #14471AA240 is a direct bolt-on replacement requiring no modification to factory intake or boost piping. The BPV is located in the charge pipe system between the turbocharger and throttle body. Basic mechanical experience and common hand tools are sufficient for most installations; however, professional installation by a Subaru technician is recommended to ensure proper torque specs and boost system integrity. Inspect all associated couplers and clamps for wear when replacing the BPV.